{"id":6257,"date":"2024-03-21T16:11:19","date_gmt":"2024-03-21T10:41:19","guid":{"rendered":"https:\/\/www.scaler.com\/blog\/?p=6257"},"modified":"2026-07-15T20:51:22","modified_gmt":"2026-07-15T15:21:22","slug":"sde-roadmap","status":"publish","type":"post","link":"https:\/\/www.scaler.com\/blog\/sde-roadmap\/","title":{"rendered":"SDE Roadmap: How to Become a Software Engineer"},"content":{"rendered":"\n

The SDE Roadmap<\/strong> (often searched as the software engineer roadmap<\/em> or software developer roadmap<\/em>) is structured to help students, freshers, and professionals enter the software world and secure roles at top tech companies and high-growth startups. In 2026, the bar for cracking SDE roles has shifted: companies now prioritize problem-solving patterns, system design basics, CS fundamentals, and a curated sheet of ~150\u2013190 problems<\/strong> over random coding practice.<\/p>\n\n\n\n

This guide provides a phased, timeline-backed learning path for SDE-1, SDE-2, and SDE-3 aspirants. Whether you are aiming for FAANG, product-based startups, or enterprise tech roles, this roadmap tells you exactly what to learn, in what order, and how to build a portfolio that gets you shortlisted.

Accelerate your SDE journey:<\/strong> If you want a structured curriculum with 1:1 mentorship, mock interviews, and placement support, explore Scaler\u2019s Software Development Course<\/strong><\/a>.<\/p>\n\n\n\n

The 2026 Software Engineer Roadmap (Phased, With Timelines)<\/strong><\/h2>\n\n\n\n

To become job-ready in 6\u20139 months, follow this phased roadmap. Each phase includes a clear milestone so you can track your progress.<\/p>\n\n\n\n

Phase<\/strong><\/td>Duration<\/strong><\/td>What to Learn<\/strong><\/td>Tools\/Topics<\/strong><\/td>Milestone<\/strong><\/td><\/tr>
1: Programming Fundamentals<\/strong><\/td>4\u20136 weeks<\/td>One language deeply + OOP concepts<\/td>C++ \/ Java \/ Python<\/td>Build 3 CLI programs solving real-world problems<\/td><\/tr>
2: DSA (The SDE Sheet)<\/strong><\/td>12\u201316 weeks<\/td>Work the curated SDE Sheet topic-by-topic<\/td>Arrays, Trees, Graphs, DP, Greedy<\/td>~160 problems solved with optimal time\/space complexity<\/td><\/tr>
3: CS Fundamentals<\/strong><\/td>4\u20136 weeks<\/td>OS, DBMS, Computer Networks, OOP theory<\/td>Threads, SQL, TCP\/IP, Design Patterns<\/td>Clear 50+ Q&A mock tests on core CS topics<\/td><\/tr>
4: Development & Projects<\/strong><\/td>6\u20138 weeks<\/td>Web\/backend basics, Git, APIs, Databases<\/td>React\/Node.js, Django, PostgreSQL<\/td>1\u20132 deployed projects on GitHub\/Vercel\/Render<\/td><\/tr>
5: System Design Basics<\/strong><\/td>3\u20134 weeks<\/td>Scalability, caching, load balancing, HLD\/LLD<\/td>Redis, Docker, Microservices, Cap Theory<\/td>Design a URL shortener or chat app architecture<\/td><\/tr>
6: Interview Prep<\/strong><\/td>Ongoing<\/td>Mock interviews, behavioral prep, resume polish<\/td>LeetCode, Pramp, STAR method<\/td>10+ timed mocks + polished 1-page resume<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\nScaler Carousel<\/title>\n\n<!-- Plus Jakarta Sans Font -->\n<link href=\"https:\/\/fonts.googleapis.com\/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap\" rel=\"stylesheet\">\n<!-- Swiper CSS -->\n<link rel=\"stylesheet\" href=\"https:\/\/cdn.jsdelivr.net\/npm\/swiper@11\/swiper-bundle.min.css\">\n\n<style>\n.scaler-carousel {\n font-family: 'Plus Jakarta Sans', sans-serif;\n max-width: 900px;\n margin: 24px auto;\n padding: 0;\n box-sizing: border-box;\n}\n.scaler-carousel *,\n.scaler-carousel *::before,\n.scaler-carousel *::after {\n box-sizing: border-box;\n}\n\n\/* Header *\/\n.scaler-header {\n text-align: center;\n margin-bottom: 20px;\n}\n.scaler-header-title {\n font-size: 22px;\n font-weight: 700;\n color: #1a1a2e;\n margin: 0 0 6px;\n 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}\n}\n<\/style>\n\n\n<div class=\"scaler-carousel\">\n <div class=\"scaler-header\">\n <h2 class=\"scaler-header-title\"><span class=\"ez-toc-section\" id=\"transform-your-career\"><\/span>Transform Your Career<span class=\"ez-toc-section-end\"><\/span><\/h2>\n <p class=\"scaler-header-subtitle\">Choose from our industry-leading programs designed for career success<\/p>\n <\/div>\n\n <div class=\"swiper scaler-swiper\">\n <div class=\"swiper-wrapper\">\n\n <!-- CARD 1 -->\n <div class=\"swiper-slide\">\n <div class=\"scaler-card\">\n <div class=\"scaler-badge\">NSDC Certified<\/div>\n <div class=\"scaler-card-top\">\n <div class=\"scaler-icon-wrap\">\n <svg width=\"26\" height=\"26\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"16 18 22 12 16 6\"\/><polyline points=\"8 6 2 12 8 18\"\/><\/svg>\n <\/div>\n <div class=\"scaler-card-top-content\">\n <h3 class=\"scaler-title\">Modern Software and AI Engineering Program<\/h3>\n <p class=\"scaler-desc\">Master full-stack development with AI integration<\/p>\n <\/div>\n <\/div>\n <div class=\"scaler-stats\">\n <div class=\"scaler-stat\"><span class=\"scaler-stat-value\">12 Months<\/span><span class=\"scaler-stat-label\">Duration<\/span><\/div>\n <div class=\"scaler-stat\"><span class=\"scaler-stat-value\">AI-Led<\/span><span class=\"scaler-stat-label\">Curriculum<\/span><\/div>\n <div class=\"scaler-stat\"><span class=\"scaler-stat-value\">Career Support<\/span><span class=\"scaler-stat-label\">Support<\/span><\/div>\n <\/div>\n <div class=\"scaler-logos\">\n <img decoding=\"async\" class=\"scaler-company-logo\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/2\/2f\/Google_2015_logo.svg\" alt=\"Google\" loading=\"lazy\">\n <img decoding=\"async\" class=\"scaler-company-logo\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/a\/a9\/Amazon_logo.svg\" alt=\"Amazon\" loading=\"lazy\">\n <img decoding=\"async\" class=\"scaler-company-logo\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/4\/42\/Paytm_logo.png\" alt=\"Paytm\" loading=\"lazy\">\n <span class=\"scaler-logo-more\">+1000 more<\/span>\n <\/div>\n <div class=\"scaler-card-btns\">\n <button onclick=\"window.open('https:\/\/www.scaler.com\/academy\/', '_blank')\">\n Go to Program\n <svg width=\"14\" height=\"14\" viewBox=\"0 0 16 16\" fill=\"none\" aria-hidden=\"true\"><path d=\"M3 8H13M13 8L9 4M13 8L9 12\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><\/svg>\n <\/button>\n <\/div>\n <\/div>\n <\/div>\n\n <!-- CARD 2 -->\n <div class=\"swiper-slide\">\n <div class=\"scaler-card\">\n <div class=\"scaler-badge\">NSDC Certified<\/div>\n <div class=\"scaler-card-top\">\n <div class=\"scaler-icon-wrap\">\n <svg width=\"26\" height=\"26\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><ellipse cx=\"12\" cy=\"5\" rx=\"9\" ry=\"3\"\/><path d=\"M3 5v14c0 1.66 4.03 3 9 3s9-1.34 9-3V5\"\/><path d=\"M3 12c0 1.66 4.03 3 9 3s9-1.34 9-3\"\/><\/svg>\n <\/div>\n <div class=\"scaler-card-top-content\">\n <h3 class=\"scaler-title\">Modern Data Science and ML with specialisation in AI<\/h3>\n <p class=\"scaler-desc\">Advanced data science techniques with AI specialization<\/p>\n <\/div>\n <\/div>\n <div class=\"scaler-stats\">\n <div class=\"scaler-stat\"><span class=\"scaler-stat-value\">12 Months<\/span><span class=\"scaler-stat-label\">Duration<\/span><\/div>\n <div class=\"scaler-stat\"><span class=\"scaler-stat-value\">AI-Led<\/span><span class=\"scaler-stat-label\">Curriculum<\/span><\/div>\n <div class=\"scaler-stat\"><span class=\"scaler-stat-value\">Career Support<\/span><span class=\"scaler-stat-label\">Support<\/span><\/div>\n <\/div>\n <div class=\"scaler-logos\">\n <img decoding=\"async\" class=\"scaler-company-logo\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/2\/2f\/Google_2015_logo.svg\" alt=\"Google\" loading=\"lazy\">\n <img decoding=\"async\" class=\"scaler-company-logo\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/a\/a9\/Amazon_logo.svg\" alt=\"Amazon\" loading=\"lazy\">\n <img decoding=\"async\" class=\"scaler-company-logo\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/4\/42\/Paytm_logo.png\" alt=\"Paytm\" loading=\"lazy\">\n <span class=\"scaler-logo-more\">+1000 more<\/span>\n <\/div>\n <div class=\"scaler-card-btns\">\n <button onclick=\"window.open('https:\/\/www.scaler.com\/data-science-course\/', '_blank')\">\n Go to Program\n <svg width=\"14\" height=\"14\" viewBox=\"0 0 16 16\" fill=\"none\" aria-hidden=\"true\"><path d=\"M3 8H13M13 8L9 4M13 8L9 12\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><\/svg>\n <\/button>\n <\/div>\n <\/div>\n <\/div>\n\n <!-- CARD 3 -->\n <div class=\"swiper-slide\">\n <div class=\"scaler-card\">\n <div class=\"scaler-badge\">NSDC Certified<\/div>\n <div class=\"scaler-card-top\">\n <div class=\"scaler-icon-wrap\">\n <svg width=\"26\" height=\"26\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M12 2L13.5 8.5L20 10L13.5 11.5L12 18L10.5 11.5L4 10L10.5 8.5L12 2Z\"\/><\/svg>\n <\/div>\n <div class=\"scaler-card-top-content\">\n <h3 class=\"scaler-title\">Advanced AIML with Specialisation in Agentic AI<\/h3>\n <p class=\"scaler-desc\">Deep dive into AIML with focus on Agentic systems<\/p>\n <\/div>\n <\/div>\n <div class=\"scaler-stats\">\n <div class=\"scaler-stat\"><span class=\"scaler-stat-value\">12 Months<\/span><span class=\"scaler-stat-label\">Duration<\/span><\/div>\n <div class=\"scaler-stat\"><span class=\"scaler-stat-value\">AI-Led<\/span><span class=\"scaler-stat-label\">Curriculum<\/span><\/div>\n <div class=\"scaler-stat\"><span class=\"scaler-stat-value\">Career Support<\/span><span class=\"scaler-stat-label\">Support<\/span><\/div>\n <\/div>\n <div class=\"scaler-logos\">\n <img decoding=\"async\" class=\"scaler-company-logo\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/2\/2f\/Google_2015_logo.svg\" alt=\"Google\" loading=\"lazy\">\n <img decoding=\"async\" class=\"scaler-company-logo\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/a\/a9\/Amazon_logo.svg\" alt=\"Amazon\" loading=\"lazy\">\n <img decoding=\"async\" class=\"scaler-company-logo\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/4\/42\/Paytm_logo.png\" alt=\"Paytm\" loading=\"lazy\">\n <span class=\"scaler-logo-more\">+1000 more<\/span>\n <\/div>\n <div class=\"scaler-card-btns\">\n <button onclick=\"window.open('https:\/\/www.scaler.com\/ai-machine-learning-course\/', '_blank')\">\n Go to Program\n <svg width=\"14\" height=\"14\" viewBox=\"0 0 16 16\" fill=\"none\" aria-hidden=\"true\"><path d=\"M3 8H13M13 8L9 4M13 8L9 12\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><\/svg>\n <\/button>\n <\/div>\n <\/div>\n <\/div>\n\n <!-- CARD 4 -->\n <div class=\"swiper-slide\">\n <div class=\"scaler-card\">\n <div class=\"scaler-badge\">NSDC Certified<\/div>\n <div class=\"scaler-card-top\">\n <div class=\"scaler-icon-wrap\">\n <svg width=\"26\" height=\"26\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\">\n <path d=\"M17.5 19H9a7 7 0 1 1 6.71-9h1.79a4.5 4.5 0 1 1 0 9Z\" \/>\n <path d=\"M9.2 15.2a3 3 0 1 0 4.24-4.24\" \/>\n <\/svg>\n <\/div>\n <div class=\"scaler-card-top-content\">\n <h3 class=\"scaler-title\">DevOps, Cloud & AI Platform Engineering<\/h3>\n <p class=\"scaler-desc\">Build and manage AI-powered cloud infrastructure<\/p>\n <\/div>\n <\/div>\n <div class=\"scaler-stats\">\n <div class=\"scaler-stat\"><span class=\"scaler-stat-value\">12 Months<\/span><span class=\"scaler-stat-label\">Duration<\/span><\/div>\n <div class=\"scaler-stat\"><span class=\"scaler-stat-value\">AI-Led<\/span><span class=\"scaler-stat-label\">Curriculum<\/span><\/div>\n <div class=\"scaler-stat\"><span class=\"scaler-stat-value\">Career Support<\/span><span class=\"scaler-stat-label\">Support<\/span><\/div>\n <\/div>\n <div class=\"scaler-logos\">\n <img decoding=\"async\" class=\"scaler-company-logo\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/2\/2f\/Google_2015_logo.svg\" alt=\"Google\" loading=\"lazy\">\n <img decoding=\"async\" class=\"scaler-company-logo\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/a\/a9\/Amazon_logo.svg\" alt=\"Amazon\" loading=\"lazy\">\n <img decoding=\"async\" class=\"scaler-company-logo\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/4\/42\/Paytm_logo.png\" alt=\"Paytm\" loading=\"lazy\">\n <span class=\"scaler-logo-more\">+1000 more<\/span>\n <\/div>\n <div class=\"scaler-card-btns\">\n <button onclick=\"window.open('https:\/\/www.scaler.com\/devops-course\/', '_blank')\">\n Go to Program\n <svg width=\"14\" height=\"14\" viewBox=\"0 0 16 16\" fill=\"none\" aria-hidden=\"true\"><path d=\"M3 8H13M13 8L9 4M13 8L9 12\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><\/svg>\n <\/button>\n <\/div>\n <\/div>\n <\/div>\n\n <!-- CARD 5 -->\n <div class=\"swiper-slide\">\n <div class=\"scaler-card\">\n <div class=\"scaler-badge\">NSDC Certified<\/div>\n <div class=\"scaler-card-top\">\n <div class=\"scaler-icon-wrap\">\n <svg width=\"26\" height=\"26\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\">\n <line x1=\"3\" y1=\"22\" x2=\"21\" y2=\"22\" \/>\n <line x1=\"6\" y1=\"18\" x2=\"6\" y2=\"11\" \/>\n <line x1=\"10\" y1=\"18\" x2=\"10\" y2=\"11\" \/>\n <line x1=\"14\" y1=\"18\" x2=\"14\" y2=\"11\" \/>\n <line x1=\"18\" y1=\"18\" x2=\"18\" y2=\"11\" \/>\n <polygon points=\"12 2 20 7 4 7\" \/>\n <\/svg>\n <\/div>\n <div class=\"scaler-card-top-content\">\n <h3 class=\"scaler-title\">AI Engineering Advanced Certification by IIT-Roorkee<\/h3>\n <p class=\"scaler-desc\">Premier AI engineering certification from IIT-Roorkee<\/p>\n <\/div>\n <\/div>\n <div class=\"scaler-stats\">\n <div class=\"scaler-stat\"><span class=\"scaler-stat-value\">3 Months<\/span><span class=\"scaler-stat-label\">Duration<\/span><\/div>\n <div class=\"scaler-stat\"><span class=\"scaler-stat-value\">AI-Led<\/span><span class=\"scaler-stat-label\">Curriculum<\/span><\/div>\n <div class=\"scaler-stat\"><span class=\"scaler-stat-value\">Career Support<\/span><span class=\"scaler-stat-label\">Support<\/span><\/div>\n <\/div>\n <div class=\"scaler-logos\">\n <img decoding=\"async\" class=\"scaler-logo-strip\" src=\"https:\/\/scaler-blog-prod-wp-content.s3.ap-south-1.amazonaws.com\/wp-content\/uploads\/2026\/07\/08135139\/iitr-icons-strip.png\" alt=\"Program highlights\" loading=\"lazy\">\n <\/div>\n <div class=\"scaler-card-btns\">\n <button onclick=\"window.open('https:\/\/www.scaler.com\/iit-roorkee-advanced-ai-engineering-course\/', '_blank')\">\n Go to Program\n <svg width=\"14\" height=\"14\" viewBox=\"0 0 16 16\" fill=\"none\" aria-hidden=\"true\"><path d=\"M3 8H13M13 8L9 4M13 8L9 12\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><\/svg>\n <\/button>\n <\/div>\n <\/div>\n <\/div>\n\n <!-- Continue for remaining cards (6\u20138) using same pattern -->\n\n <\/div>\n <div class=\"swiper-button-next\"><\/div>\n <div class=\"swiper-button-prev\"><\/div>\n <div class=\"swiper-pagination\"><\/div>\n <\/div>\n<\/div>\n\n<!-- Swiper.js -->\n<script src=\"https:\/\/cdn.jsdelivr.net\/npm\/swiper@11\/swiper-bundle.min.js\"><\/script>\n<script>\ndocument.addEventListener(\"DOMContentLoaded\", function () {\n const pathParts = window.location.pathname.split(\"\/\").filter(Boolean);\n const slug = pathParts[pathParts.length - 1] || \"\";\n const readableSlug = encodeURIComponent(slug);\n const buttons = document.querySelectorAll(\".scaler-card-btns button\");\n\n buttons.forEach((btn) => {\n const baseURL = btn.getAttribute(\"onclick\").match(\/'(.*?)'\/)[1];\n if (!baseURL.includes(\"utm_source=\")) {\n const separator = baseURL.includes(\"?\") ? \"&\" : \"?\";\n const updatedURL = `${baseURL}${separator}utm_source=blog&utm_medium=program_carousel&utm_content=${readableSlug}`;\n btn.setAttribute(\"onclick\", `window.open('${updatedURL}', '_blank')`);\n }\n });\n\n new Swiper(\".scaler-swiper\", {\n slidesPerView: 1,\n spaceBetween: 28,\n grabCursor: true,\n navigation: { nextEl: \".swiper-button-next\", prevEl: \".swiper-button-prev\" },\n pagination: { el: \".swiper-pagination\", dynamicBullets: true, clickable: true },\n breakpoints: { 1000: { slidesPerView: 2 } },\n keyboard: { enabled: true },\n });\n});\n<\/script>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>The Scaler SDE Sheet \u2014 Curated, Ordered Problem List<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">In India, the dominant SDE-prep resource is <strong>Striver\u2019s SDE Sheet<\/strong> (~190 problems, 26,000\/mo searches) and the <strong>GeeksforGeeks SDE Sheet<\/strong>. These sheets work because they force <em>pattern recognition<\/em> over random problem-solving.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">To serve the same intent with mentorship-backed structure, we\u2019ve compiled the <strong>Scaler SDE Sheet<\/strong> \u2014 an ordered list of ~160 high-yield problems grouped by topic.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>How to use this sheet:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Solve topics in order (Arrays \u2192 DP). Do not skip ahead.<\/li>\n\n\n\n<li>Spend 30\u201345 minutes per problem before checking hints.<\/li>\n\n\n\n<li>Track wrong answers and revisit them weekly.<\/li>\n\n\n\n<li>Aim for <em>optimal<\/em> solutions, not just AC.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Topic<\/strong><\/td><td><strong>Problems<\/strong><\/td><td><strong>Difficulty Split<\/strong><\/td><td><strong>Sample Problems<\/strong><\/td><td><strong>Practice Link<\/strong><\/td><\/tr><tr><td><strong>Arrays & Strings<\/strong><\/td><td>25<\/td><td>Easy\u2013Hard<\/td><td>Two Sum, Kadane’s, Trapping Rain Water, KMP<\/td><td><a href=\"https:\/\/www.scaler.com\/topics\/data-structures\/\">Scaler Topics<\/a><\/td><\/tr><tr><td><strong>Linked Lists<\/strong><\/td><td>15<\/td><td>Easy\u2013Med<\/td><td>Reverse LL, Detect Cycle, LRU Cache, Merge K Lists<\/td><td><a href=\"https:\/\/www.scaler.com\/topics\/data-structures\/\">Scaler Topics<\/a><\/td><\/tr><tr><td><strong>Stacks & Queues<\/strong><\/td><td>12<\/td><td>Easy\u2013Med<\/td><td>Valid Parentheses, Next Greater Element, Min Stack<\/td><td><a href=\"https:\/\/www.scaler.com\/topics\/data-structures\/\">Scaler Topics<\/a><\/td><\/tr><tr><td><strong>Trees<\/strong><\/td><td>22<\/td><td>Med\u2013Hard<\/td><td>Traversals, LCA, Diameter, Serialize\/Deserialize<\/td><td><a href=\"https:\/\/www.scaler.com\/topics\/data-structures\/\">Scaler Topics<\/a><\/td><\/tr><tr><td><strong>Graphs<\/strong><\/td><td>20<\/td><td>Med\u2013Hard<\/td><td>BFS\/DFS, Topological Sort, Dijkstra, Union-Find<\/td><td><a href=\"https:\/\/www.scaler.com\/topics\/data-structures\/\">Scaler Topics<\/a><\/td><\/tr><tr><td><strong>Binary Search<\/strong><\/td><td>10<\/td><td>Med<\/td><td>Rotated Array, Koko Eating Bananas, Median of Two<\/td><td> <a href=\"https:\/\/www.scaler.com\/topics\/data-structures\/\">Scaler<\/a><\/td><\/tr><tr><td><strong>Two Pointers \/ Sliding Window<\/strong><\/td><td>10<\/td><td>Easy\u2013Med<\/td><td>Container With Most Water, Longest Substring w\/o Repeats<\/td><td><a href=\"https:\/\/www.scaler.com\/topics\/data-structures\/\">Scaler Topics<\/a><\/td><\/tr><tr><td><strong>Dynamic Programming<\/strong><\/td><td>25<\/td><td>Med\u2013Hard<\/td><td>Knapsack, LCS, Edit Distance, Matrix Chain<\/td><td><a href=\"https:\/\/www.scaler.com\/topics\/data-structures\/\">Scaler Topics<\/a><\/td><\/tr><tr><td><strong>Greedy<\/strong><\/td><td>8<\/td><td>Med<\/td><td>Activity Selection, Huffman Coding, Job Sequencing<\/td><td><a href=\"https:\/\/www.scaler.com\/topics\/data-structures\/\">Scaler Topics<\/a><\/td><\/tr><tr><td><strong>TOTAL<\/strong><\/td><td><strong>~162<\/strong><\/td><td>\u2014<\/td><td>Solve in order; revisit wrong answers weekly<\/td><td>\u2014<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Note:<\/strong> Striver\u2019s sheet and GFG\u2019s sheet are excellent free resources. The Scaler SDE Sheet complements them by adding <em>mentorship review, pattern tags, and company-specific problem mapping<\/em>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>SDE Skills Checklist (2026)<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Use this tiered checklist to self-assess your readiness and map to the roadmap phases above.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Tier<\/strong><\/td><td><strong>Skills to Master<\/strong><\/td><td><strong>Maps to Phase<\/strong><\/td><\/tr><tr><td><strong>Foundation<\/strong><\/td><td>Proficiency in 1 language (C++\/Java\/Python), Git\/GitHub workflows, basic math\/logic<\/td><td>Phase 1<\/td><\/tr><tr><td><strong>Core DSA<\/strong><\/td><td>Arrays, Strings, LLs, Trees, Graphs, Hashing, Two Pointers, Sliding Window, Recursion<\/td><td>Phase 2<\/td><\/tr><tr><td><strong>CS Fundamentals<\/strong><\/td><td>OS (Threads, Memory, Deadlocks), DBMS (SQL, Indexing, Normalization), CN (HTTP, TCP\/IP, DNS), OOP (SOLID, Design Patterns)<\/td><td>Phase 3<\/td><\/tr><tr><td><strong>Development<\/strong><\/td><td>REST APIs, Database design, 1 web framework (React\/Node\/Django), CI\/CD basics, Docker<\/td><td>Phase 4<\/td><\/tr><tr><td><strong>System Design<\/strong><\/td><td>HLD (Load Balancing, Caching, CDN, DB Sharding), LLD (Class diagrams, State machines, Concurrency)<\/td><td>Phase 5<\/td><\/tr><tr><td><strong>Interview-Ready<\/strong><\/td><td>Mock interviews (DSA + Behavioral), STAR format, Resume polished, 5+ deployed projects<\/td><td>Phase 6<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<meta charset=\"UTF-8\">\n <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n\n <!-- Source Sans Pro (topics font) -->\n <link href=\"https:\/\/fonts.googleapis.com\/css2?family=Source+Sans+3:wght@400;600;700&display=swap\" rel=\"stylesheet\">\n <link rel=\"stylesheet\" href=\"https:\/\/cdn.jsdelivr.net\/npm\/swiper@11\/swiper-bundle.min.css\">\n <script src=\"https:\/\/cdn.jsdelivr.net\/npm\/swiper@11\/swiper-bundle.min.js\"><\/script>\n\n <style>\n :root {\n \/* topics design tokens (variables.scss) *\/\n --scaler-primary: #005bb3; \/* primary-color-80 *\/\n --scaler-primary-30: #8acaff; \/* primary-color-30 *\/\n --scaler-brand-blue: #255aad;\n --scaler-live: #ee001d; \/* accent-v5-60 *\/\n --scaler-live-bg: #ffe6e9; \/* accent-v5-10 *\/\n --scaler-card-bg: #ffffff; \/* neutral-scale-0 *\/\n --scaler-surface: #f4f6f9; \/* neutral-scale-2 *\/\n --scaler-text-primary: #1a2c47; \/* neutral-scale-12 *\/\n --scaler-text-secondary: #61738e; \/* neutral-scale-9 *\/\n --scaler-border: #d6dee5; \/* neutral-scale-4 *\/\n --scaler-radius: 16px;\n --scaler-radius-sm: 8px;\n --scaler-shadow: 0 8px 16px 0 rgba(50, 71, 102, 0.16);\n }\n\n .scaler-events-carousel * { box-sizing: border-box; }\n\n .scaler-events-carousel {\n font-family: \"Source Sans 3\", \"Source Sans Pro\", \"Roboto\", Arial, sans-serif;\n padding: 24px;\n position: relative;\n width: 100%;\n }\n .scaler-events-carousel__inner {\n max-width: 1000px;\n margin: 0 auto;\n position: relative;\n width: 100%;\n }\n\n \/* Header \u2014 calendar icon + \"Live Masterclasses\" *\/\n .scaler-events-header {\n display: flex;\n align-items: center;\n gap: 8px;\n margin-bottom: 8px;\n padding: 8px 0;\n }\n .scaler-events-header__icon { display: inline-flex; color: var(--scaler-text-primary); }\n .scaler-events-header__icon svg { width: 24px; height: 24px; }\n .scaler-events-header__title {\n font-size: 18px;\n font-weight: 700;\n color: var(--scaler-text-primary);\n line-height: 1.3;\n margin: 0;\n }\n\n \/* Swiper wrap (holds side arrows) *\/\n .scaler-events-swiper-wrap { position: relative; }\n .scaler-events-carousel .swiper { width: 100%; padding: 4px; }\n .scaler-event-swiper .swiper-slide {\n width: 296px; \/* topics card_container width *\/\n height: auto;\n display: flex;\n }\n\n 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min-height: 24px; }\n .scaler-event-card--skeleton .scaler-event-card__cta { min-height: 40px; }\n .scaler-event-card--skeleton .scaler-event-card__image,\n .scaler-event-card--skeleton .scaler-event-card__img-footer,\n .scaler-event-card--skeleton .scaler-event-card__live-badge { display: none; }\n\n @keyframes shimmer {\n 0% { background-position: 200% 0; }\n 100% { background-position: -200% 0; }\n }\n\n .scaler-events-empty {\n text-align: center;\n padding: 40px 20px;\n color: var(--scaler-text-secondary);\n font-size: 15px;\n }\n\n @media (max-width: 768px) {\n .scaler-events-carousel { padding: 16px; }\n .scaler-event-swiper .swiper-slide { width: calc(100vw - 52px); }\n .scaler-events-nav__btn { display: none; }\n }\n <\/style>\n\n\n\n <div class=\"scaler-events-carousel js-scaler-carousel\">\n\n <template class=\"js-event-card-template\">\n <div class=\"swiper-slide\">\n <article class=\"scaler-event-card\">\n <div class=\"scaler-event-card__header\">\n <div class=\"scaler-event-card__image-wrapper\">\n <img decoding=\"async\" src=\"\" alt=\"\" class=\"scaler-event-card__image\" loading=\"lazy\">\n <div class=\"scaler-event-card__img-footer\">\n <svg fill=\"currentColor\" viewBox=\"0 0 32 32\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M11.199 7.957c-3.086 0-5.588 2.502-5.588 5.588s2.502 5.588 5.588 5.588c3.086 0 5.588-2.502 5.588-5.588s-2.502-5.588-5.588-5.588zM3.611 13.545c0-4.191 3.397-7.588 7.588-7.588s7.588 3.397 7.588 7.588c0 4.191-3.397 7.588-7.588 7.588s-7.588-3.397-7.588-7.588z\"\/><path d=\"M21.090 6.369h0.003c1.989 0 3.897 0.79 5.303 2.197s2.197 3.314 2.197 5.303-0.79 3.897-2.197 5.303c-1.406 1.407-3.314 2.197-5.303 2.197-0.552 0-1-0.448-1-1s0.448-1 1-1c1.459 0 2.858-0.579 3.889-1.611s1.611-2.43 1.611-3.889c0-1.459-0.58-2.858-1.611-3.889s-2.429-1.611-3.888-1.611c-0.507 0.002-1.013 0.070-1.502 0.203-0.533 0.145-1.082-0.17-1.227-0.703s0.17-1.082 0.703-1.227c0.659-0.179 1.339-0.27 2.021-0.272z\"\/><path d=\"M10.906 21.364c-1.605 0-3.186 0.386-4.61 1.126s-2.649 1.811-3.572 3.124c-0.318 0.452-0.941 0.561-1.393 0.243s-0.561-0.941-0.243-1.393c1.107-1.576 2.577-2.862 4.286-3.749s3.606-1.351 5.532-1.351 3.823 0.463 5.532 1.351c1.709 0.888 3.179 2.174 4.286 3.749 0.318 0.452 0.209 1.076-0.243 1.393s-1.076 0.209-1.393-0.243c-0.923-1.313-2.148-2.385-3.572-3.124s-3.005-1.126-4.61-1.126z\"\/><\/svg>\n <span class=\"js-event-count\"><\/span>\n <\/div>\n <div class=\"scaler-event-card__live-badge\" style=\"display: none;\">Live<\/div>\n <\/div>\n <div class=\"scaler-event-card__text\">\n <h3 class=\"scaler-event-card__title\"><\/h3>\n <div class=\"scaler-event-card__speaker js-event-speaker\"><\/div>\n <\/div>\n <\/div>\n\n <div class=\"scaler-event-card__takeaways js-event-takeaways\"><\/div>\n\n <div class=\"scaler-event-card__spacer\"><\/div>\n\n <div class=\"scaler-event-card__meta\">\n <span class=\"js-event-date\"><\/span>\n <span class=\"scaler-event-card__duration\">\n <svg fill=\"currentColor\" viewBox=\"0 0 32 32\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M16 6.333c6.443 0 11.667 5.223 11.667 11.667s-5.223 11.667-11.667 11.667c-6.443 0-11.667-5.223-11.667-11.667v0c0.008-6.44 5.226-11.659 11.666-11.667h0.001zM16 28.333c5.707 0 10.333-4.626 10.333-10.333s-4.626-10.333-10.333-10.333c-5.707 0-10.333 4.626-10.333 10.333v0c0.007 5.704 4.629 10.326 10.333 10.333h0.001z\"\/><path d=\"M16 18.667c-0 0-0.001 0-0.001 0-0.184 0-0.35-0.074-0.471-0.195v0c-0.121-0.121-0.195-0.287-0.195-0.471s0.075-0.351 0.195-0.471l4.951-4.952c0.121-0.121 0.287-0.195 0.471-0.195s0.351 0.075 0.471 0.195v0c0.121 0.121 0.195 0.287 0.195 0.471s-0.075 0.351-0.195 0.471l-4.949 4.951c-0.121 0.121-0.288 0.196-0.472 0.196v0z\"\/><path d=\"M19 3.667h-6c-0.368 0-0.667-0.298-0.667-0.667v0c0-0.368 0.298-0.667 0.667-0.667v0h6c0.368 0 0.667 0.298 0.667 0.667v0c0 0.368-0.298 0.667-0.667 0.667v0z\"\/><\/svg>\n <span class=\"js-event-duration\"><\/span>\n <\/span>\n <\/div>\n\n <a href=\"#\" class=\"scaler-event-card__cta js-event-cta\">Register with 1-Click<\/a>\n <\/article>\n <\/div>\n <\/template>\n\n <div class=\"scaler-events-carousel__inner\">\n <header class=\"scaler-events-header\">\n <span class=\"scaler-events-header__icon\">\n <svg fill=\"currentColor\" viewBox=\"0 0 33 32\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M6.406 6.8c-0.11 0-0.2 0.090-0.2 0.2v20c0 0.11 0.090 0.2 0.2 0.2h20c0.11 0 0.2-0.090 0.2-0.2v-20c0-0.11-0.090-0.2-0.2-0.2h-20zM4.606 7c0-0.994 0.806-1.8 1.8-1.8h20c0.994 0 1.8 0.806 1.8 1.8v20c0 0.994-0.806 1.8-1.8 1.8h-20c-0.994 0-1.8-0.806-1.8-1.8v-20z\"\/><path d=\"M22.406 3.2c0.442 0 0.8 0.358 0.8 0.8v4c0 0.442-0.358 0.8-0.8 0.8s-0.8-0.358-0.8-0.8v-4c0-0.442 0.358-0.8 0.8-0.8z\"\/><path d=\"M10.406 3.2c0.442 0 0.8 0.358 0.8 0.8v4c0 0.442-0.358 0.8-0.8 0.8s-0.8-0.358-0.8-0.8v-4c0-0.442 0.358-0.8 0.8-0.8z\"\/><path d=\"M4.606 12c0-0.442 0.358-0.8 0.8-0.8h22c0.442 0 0.8 0.358 0.8 0.8s-0.358 0.8-0.8 0.8h-22c-0.442 0-0.8-0.358-0.8-0.8z\"\/><path d=\"M21.488 16.451c0.303 0.322 0.288 0.828-0.034 1.131l-5.838 5.5c-0.309 0.291-0.791 0.29-1.099-0.002l-3.162-3c-0.321-0.304-0.334-0.81-0.030-1.131s0.81-0.334 1.131-0.030l2.614 2.48 5.287-4.981c0.322-0.303 0.828-0.288 1.131 0.034z\"\/><\/svg>\n <\/span>\n <h2 class=\"scaler-events-header__title\"><span class=\"ez-toc-section\" id=\"live-masterclasses\"><\/span>Live Masterclasses<span class=\"ez-toc-section-end\"><\/span><\/h2>\n <\/header>\n\n <div class=\"scaler-events-swiper-wrap\">\n <div class=\"swiper scaler-event-swiper\">\n <div class=\"swiper-wrapper scaler-events-wrapper\"><\/div>\n <div class=\"swiper-pagination scaler-events-pagination\"><\/div>\n <\/div>\n\n <button class=\"scaler-events-nav__btn scaler-nav-prev\" aria-label=\"Previous slide\">\n <svg fill=\"currentColor\" viewBox=\"0 0 32 32\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"transform: rotate(-90deg);\"><path d=\"M5.313 16l10.688-10.688 10.688 10.688-1.938 1.875-7.438-7.438v16.25h-2.625v-16.25l-7.5 7.438z\"\/><\/svg>\n <\/button>\n <button class=\"scaler-events-nav__btn scaler-nav-next\" aria-label=\"Next slide\">\n <svg fill=\"currentColor\" viewBox=\"0 0 32 32\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"transform: rotate(90deg);\"><path d=\"M5.313 16l10.688-10.688 10.688 10.688-1.938 1.875-7.438-7.438v16.25h-2.625v-16.25l-7.5 7.438z\"\/><\/svg>\n <\/button>\n <\/div>\n\n <a class=\"scaler-events-viewall\" href=\"https:\/\/www.scaler.com\/events\/\">\n <span>View All Events<\/span>\n <svg fill=\"currentColor\" viewBox=\"0 0 32 32\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"transform: rotate(90deg);\"><path d=\"M5.313 16l10.688-10.688 10.688 10.688-1.938 1.875-7.438-7.438v16.25h-2.625v-16.25l-7.5 7.438z\"\/><\/svg>\n <\/a>\n <\/div>\n <\/div>\n\n <script>\n document.addEventListener(\"DOMContentLoaded\", () => {\n\n const monthNames = [\"January\",\"February\",\"March\",\"April\",\"May\",\"June\",\"July\",\"August\",\"September\",\"October\",\"November\",\"December\"];\n\n function formatTime(st) {\n const t = new Date(st);\n const date = t.getDate();\n const month = monthNames[t.getMonth()];\n const year = t.getFullYear();\n const h = t.getHours();\n const m = String(t.getMinutes()).padStart(2, \"0\");\n let time;\n if (h === 0) time = `12:${m} AM`;\n else if (h === 12) time = `12:${m} PM`;\n else if (h > 12) time = `${h - 12}:${m} PM`;\n else time = `${h}:${m} AM`;\n return `${date} ${month} ${year} | ${time}`;\n }\n\n const carouselInstances = document.querySelectorAll('.js-scaler-carousel');\n\n carouselInstances.forEach(container => {\n\n if(container.dataset.initialized === \"true\") return;\n container.dataset.initialized = \"true\";\n\n const swiperElement = container.querySelector(\".scaler-event-swiper\");\n const swiperWrapper = container.querySelector(\".scaler-events-wrapper\");\n const template = container.querySelector(\".js-event-card-template\");\n const nextBtn = container.querySelector(\".scaler-nav-next\");\n const prevBtn = container.querySelector(\".scaler-nav-prev\");\n const paginationEl = container.querySelector(\".scaler-events-pagination\");\n\n if (!swiperWrapper || !template) {\n console.error(\"Scaler Carousel: Missing required elements inside container\");\n return;\n }\n\n const swiper = new Swiper(swiperElement, {\n slidesPerView: \"auto\",\n spaceBetween: 16,\n grabCursor: true,\n observer: true,\n observeParents: true,\n pagination: {\n el: paginationEl,\n clickable: true,\n dynamicBullets: true\n },\n navigation: {\n nextEl: nextBtn,\n prevEl: prevBtn\n },\n });\n\n function showSkeletons(count = 4) {\n swiperWrapper.innerHTML = \"\";\n for (let i = 0; i < count; i++) {\n const clone = template.content.cloneNode(true);\n const card = clone.querySelector(\".scaler-event-card\");\n card.classList.add(\"scaler-event-card--skeleton\");\n swiperWrapper.appendChild(clone);\n }\n swiper.update();\n }\n\n function renderEvents(events) {\n swiperWrapper.innerHTML = \"\";\n\n if (events.length === 0) {\n swiperWrapper.innerHTML = `<div class=\"scaler-events-empty\">No upcoming masterclasses found.<\/div>`;\n return;\n }\n\n const pathParts = location.pathname.split(\"\/\").filter(Boolean);\n const currentSlug = pathParts.length > 0 ? pathParts[pathParts.length - 1] : \"homepage\";\n\n events.forEach(event => {\n const attr = event.attributes;\n const cd = attr.custom_data || {};\n const clone = template.content.cloneNode(true);\n const joinUrl = `\/event\/${attr.slug}\/?utm_source=blog&utm_medium=master_class&utm_content=${currentSlug}`;\n\n \/\/ Instructor headshot\n const instructor = (cd.instructors && cd.instructors[0]) || {};\n const img = clone.querySelector(\".scaler-event-card__image\");\n img.src = instructor.media_url || attr.image_url ||\n \"https:\/\/images.unsplash.com\/photo-1531891437562-4301cf35b7e4?w=200&h=200&fit=crop\";\n img.alt = instructor.name || attr.instructor_name || attr.title;\n\n \/\/ Title + speaker\n clone.querySelector(\".scaler-event-card__title\").textContent = attr.title;\n clone.querySelector(\".js-event-speaker\").textContent = instructor.name || attr.instructor_name || \"\";\n\n \/\/ Live chip vs attendee count\n const isLive = attr.status === \"current\";\n const footer = clone.querySelector(\".scaler-event-card__img-footer\");\n const liveBadge = clone.querySelector(\".scaler-event-card__live-badge\");\n if (isLive) {\n footer.style.display = \"none\";\n liveBadge.style.display = \"flex\";\n liveBadge.textContent = \"Live\";\n } else if (attr.registration_count) {\n clone.querySelector(\".js-event-count\").textContent = attr.registration_count;\n } else {\n footer.style.display = \"none\";\n }\n\n \/\/ Takeaways (up to 2, Know More on the last)\n const takeaways = (cd.takeaways || []).slice(0, 2);\n const listEl = clone.querySelector(\".js-event-takeaways\");\n listEl.innerHTML = \"\";\n takeaways.forEach((t, idx) => {\n const item = document.createElement(\"div\");\n item.className = \"scaler-event-card__takeaway-item\";\n const dot = document.createElement(\"span\");\n dot.className = \"scaler-event-card__dot\";\n const txt = document.createElement(\"span\");\n txt.className = \"scaler-event-card__takeaway-text\";\n txt.textContent = t;\n item.appendChild(dot);\n item.appendChild(txt);\n if (idx === takeaways.length - 1) {\n const km = document.createElement(\"a\");\n km.className = \"scaler-event-card__knowmore\";\n km.textContent = \"Know More\";\n km.href = joinUrl;\n item.appendChild(km);\n }\n listEl.appendChild(item);\n });\n\n \/\/ Date + duration\n clone.querySelector(\".js-event-date\").textContent = formatTime(attr.start_time);\n let hrs = \"\";\n if (attr.duration) {\n hrs = (attr.duration \/ 60).toFixed(2);\n } else if (attr.end_time) {\n hrs = (Math.abs(new Date(attr.start_time) - new Date(attr.end_time)) \/ 3600000).toFixed(2);\n }\n clone.querySelector(\".js-event-duration\").textContent = hrs ? `${hrs} Hrs` : \"\";\n\n \/\/ CTA\n clone.querySelector(\".js-event-cta\").href = joinUrl;\n\n swiperWrapper.appendChild(clone);\n });\n\n swiper.update();\n swiper.slideTo(0);\n }\n\n async function fetchEvents() {\n try {\n showSkeletons();\n const res = await fetch(\n \"https:\/\/www.scaler.com\/api\/v4\/events?event_type[]=company&distributor=scaler&type=upcoming&serializer_mode=L2&limit=8&program[]=software_development&program[]=data_science&program[]=devops&program[]=ai_ml\"\n );\n const json = await res.json();\n const events = json.data || [];\n renderEvents(events);\n } catch (error) {\n console.error(\"Failed to load events:\", error);\n if(swiperWrapper) swiperWrapper.innerHTML = `<div class=\"scaler-events-empty\">Failed to load events.<\/div>`;\n }\n }\n\n fetchEvents();\n });\n });\n <\/script>\n\n\n\n<h2 class=\"wp-block-heading\">1. Foundational Knowledge of Various Programming Languages<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pick a programming language of your choice and start learning basic concepts of it. Once you think you are pretty much familiar with the basics, you can start learning advanced topics of that language. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">You can choose any programming language, there are so many to choose from C++, C, Java, Python, Kotlin, Swift, etc. At the beginning of your career choose a low-level language like C, C++, or Java. Automated languages like Python and Kotlin are easy to learn initially but don\u2019t help you with important concepts. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Knowing a language is not always about knowing the syntax of the code. As you learn more about a language, you learn how it is working internally, which operations are costly, what are the conversions involved, how it optimizes, etc. Although you don\u2019t always move to these details, initially learn how to code and later after a few months explore its working. Refer to the official documentation for learning advanced topics for programming languages.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Learn time and space complexity calculation for a given code or the code you are writing. Understand best case, average case, and worst case complexity. This will be helpful when in later stages you try to optimize your code.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2. Building a Strong Foundation on DSA<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">DSA stands for data structures and algorithms. Once you are familiar with the language of your choice, you are required to know the data structures and algorithms. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Data Structures are used to store, retrieve, process, and organize data. Choosing the right data structure and algorithm can make a program considerably efficient. Most of the time, we are dealing with data product-based companies who have multiple technical rounds where they ask DSA questions of varying complexity to find candidates having a good grasp on these.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Data Structures<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Master common data structures – Arrays, Stack, Queue, LinkedLists, Set, HashMap, Tree, Graph, Heap, etc. <\/li>\n\n\n\n<li>Know the purposes of each data structure, and use them a few times in your code. <\/li>\n\n\n\n<li>Learn the workings and try to implement these data structures in your code.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Algorithms<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Learn basic sorting and searching algorithms like Binary search, Insertion sort, Selection sort, Quick sort, Merge sort, Count sort, etc. <\/li>\n\n\n\n<li>Practice advanced algorithms such as Backtracking, Bit Manipulation, Dynamic Programming, Graph algorithms, etc.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Various YouTube channels provide complete playlists for DSA, and books such as \u201cIntroduction to Algorithms\u201d, \u201cAlgorithms\u201d, \u201cAdvanced Data Structures\u201d, etc. can be helpful. If you want a guided path, <a href=\"https:\/\/www.scaler.com\/courses\/data-structures-and-algorithms\/\" target=\"_blank\" rel=\"noreferrer noopener\">Scaler\u2019s course for DSA<\/a> can be really helpful. Also, some of the creators have provided a <a href=\"https:\/\/450dsa.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">DSA sheet<\/a> consisting of 100 to 400 frequently asked questions or you can refer to the <a href=\"https:\/\/www.interviewbit.com\/courses\/programming\/?utm_source=Ib&utm_medium=programming&utm_campaign=webstories\" target=\"_blank\" rel=\"noreferrer noopener\">Interviewbit DSA track<\/a> which broadly covers almost all the topics. <\/p>\n\n\n\n<div style=\"text-align:center; margin:24px 0;\">\n <a href=\"https:\/\/www.scaler.com\/neovarsity\/v2\/?utm_source=blog&utm_medium=banner&utm_campaign=neovarsity\" target=\"_blank\" rel=\"noopener\">\n <img decoding=\"async\" src=\"https:\/\/scaler-blog-prod-wp-content.s3.ap-south-1.amazonaws.com\/wp-content\/uploads\/2026\/07\/14131216\/Frame-13-1-scaled.webp\"\n alt=\"Scaler Neovarsity - Skip the GRE, Earn an Accredited US Master's While You Work\"\n style=\"max-width:100%; height:auto; display:block; margin:0 auto; border-radius:8px;\">\n <\/a>\n<\/div>\n\n\n\n\n\n<p class=\"wp-block-paragraph\">By the end of this module, you should be extremely confident in implementing the basic and advanced data structures and algorithms. Apply time and space complexity concepts to these. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A complete list of data structures and algorithms along with practice problems asked in interviews with popular companies can be found on InterviewBit. Leetcode is also a popular platform to learn coding.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Questions on these platforms are marked Easy, Medium, and Hard\/Difficult. In the interviews of SDE1 Easy and Medium questions are asked most of the time, Medium and Hard questions are for SDE2 and SDE3 interviews. Still, it is suggested to solve all types of questions as there are only a few Hard types of problems that are difficult to solve.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. Master Core Computer Science Subjects <\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Knowledge of basic computer science subjects will help in interviews as well as professional work. They help in understanding the complete flow and working of application development. By mastering these topics you will be able to solve complex problems, be able to create robust software, indulge in technical discussions, etc. Thus, take some time and have a good understanding of these. Reference books, courses, college projects, etc. can prove to be helpful while learning these. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\">DBMS<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Database Management Systems are used to organize the data in a structured way. Data is present in ample amounts within the company. This needs to be stored, used, and applied appropriately for the company’s benefit. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For SDE1 learn the basics of DBMS, and know the CRUD operations with a basic DBMS like SQL. Create projects that use a database and are dynamically interacting with the database. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For SDE2 and SDE3 read books on Database Management, and learn architectural designing of Databases, Normalization, etc. especially for the one\u2019s aiming for an administrator role. Some of the famous books are \u201cFundamentals of Database Systems\u201d, \u201cDatabase System Concepts\u201d, and \u201cFundamentals of Database Management Systems\u201d.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Computer Networks<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Computer Networks also known as CN is the study of interconnected computing devices for the exchange and sharing of data and resources. It comprises interconnected and interconnected networks. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Possibly, you will hardly need it at the SDE1 level but as your experience grows you will see a bigger picture of the product and will be required to apply concepts like Computer Networks.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Books are the best resource to learn such complex topics. Refer to \u201cComputer Networking – Top Down Approach by Kurose, Ross\u201d, \u201cComputer Networks by Tanenbaum\u201d, \u201cTCP\/IP illustrated by Richard Stevens\u201d, etc.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Operating Systems<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Operating Systems is the most important topic for all the roles. You must know the architecture and the System you are working on. Linux, MacOS, and Windows are widely used, they are the interface between the hardware and the software. If you learn operating systems you will realize how beautifully these are implemented and how our code is executed optimally in fractions of seconds.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">There are several ways to learn operating systems, you can refer to books, articles, courses, YouTube, etc. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Computer Architecture  <\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Computer architecture is a set of components that form components of a computer system. It consists of system design, instruction set architecture, and microarchitecture. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Computer architecture is an advanced topic and is useful, especially for SDE3 or SDE2. Online courses on platforms like Udemy or Coursera can surely help in learning these concepts. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Software Engineering Basics<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Explore the basics of software engineering like engineering principles, processes, architecture, tools, stacks, etc. Also, learn soft skills like good listening, communication, teamwork, documentation, etc. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It is not possible and necessary to read all the books at a time, but when you are in college, or your initial years start reading these books. You are only expected to know the basics and you are not expected to read but it will surely help you stand out at times. These topics are taught in university education as courses.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4. Learn Object-Oriented Programming (OOP) Concepts<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">OOP paradigm features such as Abstraction, Encapsulation, Inheritance, and Polymorphism with real-life relation. C, C++, and Java are object-oriented programming languages. Everything in OOP languages is seen as classes and objects. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">OOP is a very elementary topic it is really easy to understand as it relates a lot to the real world. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Questions on OOP are asked in the initial coding test in MCQs or during interviews. Some of the features are language-specific like Java doesn\u2019t provide multiple inheritance, so such cases must be clear as well. Features of OOPs, their real-life example, types, etc are common interview questions. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\">For each Feature of OOP<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Have in-depth knowledge of inheritance.<\/li>\n\n\n\n<li>Implementation of inheritance and its various types such as hybrid, multiple, etc. in your code.<\/li>\n\n\n\n<li>Understand how real-world analogy. See how this interface is used in the real-world industry. What is a handler, provider, helper, etc.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/whimsical.com\/object-oriented-programming-cheatsheet-by-love-babbar-YbSgLatbWQ4R5paV7EgqFw\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Refer<\/a> to this sheet for all the resources and study material.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">5.  Learn High-Level Design (HLD) and Low-Level Design (LLD) for Interview<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">During a Low-level Design Interview, the answers are expected based on years of experience of an individual. Your code must follow OOP principles and design patterns. There is no complete solution and therefore the choices you make the decisions you take are your thought process is analyzed think out loud.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For SDE2 and SDE3 there is an interview round of System Design. Companies hire individuals who can develop robust and scalable applications and have a good understanding of the tradeoffs. HLD is mostly about the architecture that will be used to develop a system. The architecture diagram is useful to see the entire system and its components and interfaces.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">LLD RoadMap<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Design Patterns: <\/strong>Learn various design patterns, you may be asked to talk about them during interviews. <\/li>\n\n\n\n<li><strong>OOP: <\/strong>Study Object Oriented Programming principles well and know how to apply them.<\/li>\n\n\n\n<li><strong>SOLID Principal: <\/strong>You can support your reasoning during the interview with the help of Solid Principals. <\/li>\n\n\n\n<li><strong>Previously Asked Questions: <\/strong>ALways refer to questions asked previously, it will help you have a good understanding of the problem during the interview. <strong> <\/strong><\/li>\n\n\n\n<li><strong>Questions:<\/strong>\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/leetcode.com\/discuss\/interview-question\/490962\/Design-Meeting-Scheduler\" target=\"_blank\" rel=\"noreferrer noopener nofollow\"><strong>Design Meeting Scheduler<\/strong><\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/leetcode.com\/discuss\/interview-question\/2594594\/Amazon-Low-Level-Design-roundor-Bangalore\" target=\"_blank\" rel=\"noreferrer noopener nofollow\"><strong>Shopping Cart Service<\/strong><\/a><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Interview: <\/strong>\n<ul class=\"wp-block-list\">\n<li>Understand the problem, if you have questions ask. Collect all the required details and then start with basic features and functionalities.<\/li>\n\n\n\n<li>Define classes\/ objects<\/li>\n\n\n\n<li>Establish the relationship between them.<\/li>\n\n\n\n<li>Define methods to fulfill the requirements.<\/li>\n\n\n\n<li>Apply design patterns and OOD principles.<\/li>\n\n\n\n<li>If asked to write code, write well-structured code.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n<meta charset=\"UTF-8\">\n <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n\n <!-- Source Sans Pro (topics font) -->\n <link href=\"https:\/\/fonts.googleapis.com\/css2?family=Source+Sans+3:wght@400;600;700&display=swap\" rel=\"stylesheet\">\n <link rel=\"stylesheet\" href=\"https:\/\/cdn.jsdelivr.net\/npm\/swiper@11\/swiper-bundle.min.css\">\n <script src=\"https:\/\/cdn.jsdelivr.net\/npm\/swiper@11\/swiper-bundle.min.js\"><\/script>\n\n <style>\n :root {\n --cl-primary: #005bb3;\n --cl-brand-blue: #255aad;\n --cl-card-bg: #ffffff;\n --cl-surface: #f6f7f8;\n --cl-border: #d6dee5;\n --cl-text-primary: #1a2c47; \/* neutral-scale-12 *\/\n --cl-text-secondary: #61738e; \/* neutral-scale-9 *\/\n --cl-radius: 16px;\n --cl-radius-sm: 8px;\n --cl-shadow: 0 8px 16px 0 rgba(50, 71, 102, 0.16);\n }\n\n .scaler-courses * { box-sizing: border-box; }\n\n .scaler-courses {\n font-family: \"Source Sans 3\", \"Source Sans Pro\", \"Roboto\", Arial, sans-serif;\n padding: 24px;\n width: 100%;\n }\n .scaler-courses__inner {\n max-width: 1000px;\n margin: 0 auto;\n position: relative;\n width: 100%;\n }\n\n \/* Header *\/\n .scaler-courses__header {\n display: flex;\n align-items: center;\n gap: 8px;\n margin-bottom: 8px;\n padding: 8px 0;\n }\n .scaler-courses__header-icon { display: inline-flex; color: var(--cl-text-primary); }\n .scaler-courses__header-icon svg { width: 24px; height: 24px; }\n .scaler-courses__title {\n font-size: 18px;\n font-weight: 700;\n color: var(--cl-text-primary);\n line-height: 1.3;\n margin: 0;\n }\n\n \/* Swiper *\/\n .scaler-courses__swiper-wrap { position: relative; }\n .scaler-courses .swiper { width: 100%; padding: 4px; }\n .scaler-courses-swiper .swiper-slide {\n width: 296px;\n height: auto;\n display: flex;\n }\n\n \/* Card *\/\n .scaler-course-card {\n display: flex;\n flex-direction: column;\n width: 100%;\n height: 100%;\n min-height: 336px;\n background: var(--cl-card-bg);\n border: 1px solid var(--cl-border);\n border-radius: var(--cl-radius);\n overflow: hidden;\n text-decoration: none;\n cursor: pointer;\n transition: box-shadow 0.2s ease;\n }\n .scaler-course-card:hover { box-shadow: 0 2px 12px rgba(50, 71, 102, 0.12); }\n\n .scaler-course-card__image {\n width: 100%;\n height: 128px;\n min-height: 128px;\n object-fit: cover;\n background: var(--cl-surface);\n display: block;\n }\n\n .scaler-course-card__detail {\n display: flex;\n flex-direction: column;\n flex: 1 1 auto;\n padding: 16px 16px 8px;\n }\n .scaler-course-card__heading,\n .scaler-course-card__heading:link,\n .scaler-course-card__heading:visited {\n font-size: 20px;\n font-weight: 600;\n line-height: 1.4;\n color: var(--cl-text-primary) !important;\n margin: 0 0 8px;\n white-space: nowrap;\n overflow: hidden;\n text-overflow: ellipsis;\n }\n .scaler-course-card__instructor {\n font-size: 14px;\n line-height: 1.86;\n color: var(--cl-text-primary);\n white-space: nowrap;\n overflow: hidden;\n text-overflow: ellipsis;\n }\n .scaler-course-card__instructor b { font-weight: 700; }\n .scaler-course-card__desc {\n flex-grow: 1;\n margin-top: 8px;\n margin-bottom: 12px;\n font-size: 16px;\n line-height: 1.5;\n color: var(--cl-text-secondary);\n display: -webkit-box;\n -webkit-line-clamp: 2;\n -webkit-box-orient: vertical;\n overflow: hidden;\n }\n\n .scaler-course-card__footer {\n display: flex;\n align-items: center;\n justify-content: space-between;\n width: 100%;\n }\n .scaler-course-card__stat {\n display: flex;\n align-items: center;\n gap: 4px;\n font-size: 14px;\n color: var(--cl-text-primary);\n }\n .scaler-course-card__stat svg { width: 18px; height: 18px; flex-shrink: 0; }\n .scaler-course-card__stat img { width: 20px; height: 20px; flex-shrink: 0; }\n\n \/* Side arrows *\/\n .scaler-courses__nav {\n position: absolute !important;\n top: 50% !important;\n transform: translateY(-50%) !important;\n z-index: 2;\n width: 46px !important; height: 46px !important; min-width: 46px;\n display: flex !important; align-items: center; justify-content: center;\n padding: 0 !important;\n background: var(--cl-card-bg) !important;\n border: none !important;\n border-radius: var(--cl-radius-sm) !important;\n box-shadow: var(--cl-shadow) !important;\n color: var(--cl-text-secondary) !important;\n cursor: pointer;\n transition: opacity 0.2s ease, visibility 0.2s ease;\n }\n .scaler-courses__nav--prev { left: 8px !important; }\n .scaler-courses__nav--next { right: 8px !important; }\n .scaler-courses__nav svg { width: 20px !important; height: 20px !important; fill: var(--cl-text-secondary) !important; }\n .scaler-courses__nav.swiper-button-disabled { opacity: 0; visibility: hidden; pointer-events: none; }\n\n .scaler-courses .swiper-button-prev,\n .scaler-courses .swiper-button-next,\n .scaler-courses .swiper-pagination { display: none; }\n\n \/* Skeleton *\/\n .scaler-course-card--skeleton { pointer-events: none; }\n .scaler-course-card--skeleton .scaler-course-card__image,\n .scaler-course-card--skeleton .scaler-course-card__heading,\n .scaler-course-card--skeleton .scaler-course-card__instructor,\n .scaler-course-card--skeleton .scaler-course-card__desc,\n .scaler-course-card--skeleton .scaler-course-card__footer {\n background: linear-gradient(90deg, var(--cl-border) 25%, var(--cl-surface) 50%, var(--cl-border) 75%);\n background-size: 200% 100%;\n animation: cl-shimmer 1.5s infinite;\n color: transparent !important;\n border-radius: 4px;\n }\n .scaler-course-card--skeleton .scaler-course-card__heading { height: 24px; margin: 0 0 8px; }\n .scaler-course-card--skeleton .scaler-course-card__instructor { height: 16px; }\n .scaler-course-card--skeleton .scaler-course-card__footer { height: 20px; }\n @keyframes cl-shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }\n\n .scaler-courses__empty { display: none; }\n\n @media (max-width: 768px) {\n .scaler-courses { padding: 16px; }\n .scaler-courses-swiper .swiper-slide { width: 260px; }\n .scaler-courses__nav { display: none !important; }\n }\n <\/style>\n\n\n <div class=\"scaler-courses js-scaler-courses\">\n\n <template class=\"js-course-card-template\">\n <div class=\"swiper-slide\">\n <a class=\"scaler-course-card js-course-link\" href=\"#\" target=\"_blank\" rel=\"noopener\">\n <img decoding=\"async\" class=\"scaler-course-card__image js-course-image\" src=\"\" alt=\"\" loading=\"lazy\">\n <div class=\"scaler-course-card__detail\">\n <div class=\"scaler-course-card__heading js-course-title\"><\/div>\n <div class=\"scaler-course-card__instructor js-course-instructor\"><\/div>\n <div class=\"scaler-course-card__desc js-course-desc\"><\/div>\n <div class=\"scaler-course-card__footer\">\n <span class=\"scaler-course-card__stat js-course-star\">\n <svg fill=\"currentColor\" viewBox=\"0 0 32 32\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M14.83 2.868c0.342-0.239 0.75-0.368 1.168-0.368s0.826 0.128 1.168 0.368c0.338 0.236 0.596 0.569 0.741 0.955l2.759 6.936c0.003 0.007 0.007 0.013 0.013 0.017s0.013 0.007 0.020 0.007l7.402 0.476c0.411 0.036 0.802 0.194 1.124 0.452s0.559 0.607 0.683 1 0.127 0.815 0.011 1.211c-0.116 0.396-0.347 0.748-0.664 1.013l-5.655 4.714c-0.013 0.011-0.022 0.025-0.028 0.040s-0.006 0.032-0.002 0.047l1.821 7.163c0.107 0.395 0.094 0.812-0.037 1.2-0.133 0.391-0.38 0.734-0.71 0.983s-0.727 0.393-1.14 0.413c-0.413 0.020-0.822-0.084-1.175-0.3l-0.015-0.009-6.307-4.005c-0.004-0.003-0.009-0.004-0.014-0.004s-0.009 0.001-0.013 0.004l-5.876 3.721c-0.389 0.235-0.839 0.347-1.292 0.323s-0.889-0.184-1.251-0.459c-0.361-0.275-0.632-0.652-0.777-1.082-0.143-0.426-0.157-0.885-0.038-1.319l1.684-6.629c0.004-0.016 0.003-0.033-0.002-0.049s-0.015-0.030-0.027-0.040l-5.653-4.714c-0.317-0.264-0.548-0.617-0.664-1.013s-0.112-0.817 0.011-1.211c0.124-0.394 0.361-0.742 0.683-1s0.713-0.416 1.124-0.452l0.023-0.002 7.38-0.476c0.007-0 0.014-0.003 0.020-0.007s0.010-0.010 0.013-0.017l0.008-0.020 2.746-6.913c0.145-0.386 0.403-0.719 0.741-0.956z\"\/><\/svg>\n <span class=\"js-course-star-val\"><\/span>\n <\/span>\n <span class=\"scaler-course-card__stat\">\n <img decoding=\"async\" src=\"https:\/\/d19zaobb0foqu6.cloudfront.net\/topics\/images\/user-check-dark.svg\" alt=\"Enrolled\" loading=\"lazy\">\n <span class=\"js-course-reg\"><\/span>\n <\/span>\n <\/div>\n <\/div>\n <\/a>\n <\/div>\n <\/template>\n\n <div class=\"scaler-courses__inner\">\n <div class=\"scaler-courses__header\">\n <span class=\"scaler-courses__header-icon\">\n <svg fill=\"currentColor\" viewBox=\"0 0 32 32\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M26.259 23.289h-20.518c-1.193 0-2.16-0.967-2.16-2.16v0-14.588c0-1.193 0.967-2.16 2.16-2.16v0h20.518c1.193 0 2.16 0.967 2.16 2.16v0 14.588c0 1.193-0.967 2.16-2.16 2.16v0zM5.741 5.501c-0.574 0-1.040 0.466-1.040 1.040v0 14.588c0 0.574 0.466 1.040 1.040 1.040v0h20.518c0.574 0 1.040-0.466 1.040-1.040v0-14.588c0-0.574-0.466-1.040-1.040-1.040v0z\"\/><path d=\"M19.764 27.619h-7.53c-0.309 0-0.56-0.251-0.56-0.56v0c0-0.309 0.251-0.56 0.56-0.56h7.53c0.309 0 0.56 0.251 0.56 0.56v0c0 0.309-0.251 0.56-0.56 0.56v0z\"\/><path d=\"M14.023 9.322c0.116 0 0.223 0.035 0.312 0.096l-0.002-0.001 5.93 3.953c0.151 0.102 0.249 0.272 0.249 0.466s-0.098 0.364-0.247 0.465l-0.002 0.001-5.93 3.953c-0.087 0.059-0.195 0.094-0.31 0.094-0.309 0-0.56-0.25-0.56-0.559v-7.906c0-0.309 0.251-0.56 0.56-0.56v0zM18.943 13.835l-4.36-2.906v5.813z\"\/><\/svg>\n <\/span>\n <h2 class=\"scaler-courses__title\"><span class=\"ez-toc-section\" id=\"free-courses-by-top-scaler-instructors\"><\/span>Free Courses by top Scaler instructors<span class=\"ez-toc-section-end\"><\/span><\/h2>\n <\/div>\n\n <div class=\"scaler-courses__swiper-wrap\">\n <div class=\"swiper scaler-courses-swiper\">\n <div class=\"swiper-wrapper js-courses-wrapper\"><\/div>\n <div class=\"swiper-pagination\"><\/div>\n <\/div>\n\n <button class=\"scaler-courses__nav scaler-courses__nav--prev js-courses-prev\" aria-label=\"Previous\">\n <svg fill=\"currentColor\" viewBox=\"0 0 32 32\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"transform: rotate(-90deg);\"><path d=\"M5.313 16l10.688-10.688 10.688 10.688-1.938 1.875-7.438-7.438v16.25h-2.625v-16.25l-7.5 7.438z\"\/><\/svg>\n <\/button>\n <button class=\"scaler-courses__nav scaler-courses__nav--next js-courses-next\" aria-label=\"Next\">\n <svg fill=\"currentColor\" viewBox=\"0 0 32 32\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"transform: rotate(90deg);\"><path d=\"M5.313 16l10.688-10.688 10.688 10.688-1.938 1.875-7.438-7.438v16.25h-2.625v-16.25l-7.5 7.438z\"\/><\/svg>\n <\/button>\n <\/div>\n <\/div>\n <\/div>\n\n <script>\n document.addEventListener(\"DOMContentLoaded\", () => {\n const EXTRA_COUNT_ADDED = 1000;\n\n \/\/ Mirrors getInstructorStar(): first token of the headline.\n function getInstructorStar(headline) {\n return (headline || \"\").toString().split(\" \")[0] || \"\";\n }\n\n document.querySelectorAll(\".js-scaler-courses\").forEach(container => {\n if (container.dataset.initialized === \"true\") return;\n container.dataset.initialized = \"true\";\n\n const swiperElement = container.querySelector(\".scaler-courses-swiper\");\n const wrapper = container.querySelector(\".js-courses-wrapper\");\n const template = container.querySelector(\".js-course-card-template\");\n const nextBtn = container.querySelector(\".js-courses-next\");\n const prevBtn = container.querySelector(\".js-courses-prev\");\n\n if (!wrapper || !template) return;\n\n const swiper = new Swiper(swiperElement, {\n slidesPerView: \"auto\",\n spaceBetween: 16,\n grabCursor: true,\n observer: true,\n observeParents: true,\n navigation: { nextEl: nextBtn, prevEl: prevBtn },\n });\n\n const pathParts = location.pathname.split(\"\/\").filter(Boolean);\n const currentSlug = pathParts.length > 0 ? pathParts[pathParts.length - 1] : \"homepage\";\n\n function showSkeletons(count = 4) {\n wrapper.innerHTML = \"\";\n for (let i = 0; i < count; i++) {\n const clone = template.content.cloneNode(true);\n clone.querySelector(\".scaler-course-card\").classList.add(\"scaler-course-card--skeleton\");\n wrapper.appendChild(clone);\n }\n swiper.update();\n }\n\n function renderCourses(courses) {\n wrapper.innerHTML = \"\";\n if (!courses.length) { container.style.display = \"none\"; return; }\n\n courses.forEach(item => {\n const a = item.attributes || {};\n const clone = template.content.cloneNode(true);\n const instructor = (a.instructors_data && a.instructors_data[0]) || {};\n\n clone.querySelector(\".js-course-link\").href =\n `https:\/\/www.scaler.com\/topics\/course\/${a.slug}\/?utm_source=blog&utm_medium=free_courses&utm_content=${currentSlug}`;\n\n const img = clone.querySelector(\".js-course-image\");\n img.src = a.cover_image_thumbnail || a.featured_image || \"\";\n img.alt = a.title || \"\";\n\n clone.querySelector(\".js-course-title\").textContent = a.title || \"\";\n\n const instrEl = clone.querySelector(\".js-course-instructor\");\n if (instructor.name) {\n instrEl.innerHTML = \"A Course by <b><\/b>\";\n instrEl.querySelector(\"b\").textContent = instructor.name;\n } else {\n instrEl.style.display = \"none\";\n }\n\n clone.querySelector(\".js-course-desc\").textContent = a.description || \"\";\n\n \/\/ Star\n const star = getInstructorStar(instructor.star_headline);\n const starWrap = clone.querySelector(\".js-course-star\");\n if (star && star !== \"0\") clone.querySelector(\".js-course-star-val\").textContent = star;\n else starWrap.style.display = \"none\";\n\n \/\/ Enrolled count (+1000 like topics)\n clone.querySelector(\".js-course-reg\").textContent =\n ((a.user_registration_count || 0) + EXTRA_COUNT_ADDED).toLocaleString(\"en-US\");\n\n wrapper.appendChild(clone);\n });\n\n swiper.update();\n swiper.slideTo(0);\n }\n\n async function fetchCourses() {\n try {\n showSkeletons();\n \/\/ Public same-origin endpoint (topics course search). Returns 6 free courses.\n const res = await fetch(\"\/topics\/api\/v1\/search\/courses\", {\n method: \"POST\",\n headers: {\n \"Content-Type\": \"application\/json\",\n \"Accept\": \"application\/json\",\n \"X-Requested-With\": \"XMLHttpRequest\",\n },\n body: JSON.stringify({\n filters: {\n q: \"\",\n page: { limit: 6, current_page: 1 },\n sort: { key: \"user_registration_count\", order: \"desc\" },\n filter_type: null,\n tags: [],\n program: [],\n level: [],\n category_type: [],\n },\n }),\n });\n const json = await res.json();\n const courses = (json && json.data) || [];\n renderCourses(courses);\n } catch (error) {\n console.error(\"Failed to load courses:\", error);\n container.style.display = \"none\";\n }\n }\n\n fetchCourses();\n });\n });\n <\/script>\n\n\n\n<h3 class=\"wp-block-heading\">HLD Roadmap<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/youtu.be\/NtMvNh0WFVM\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Refer<\/a> to this video to understand the process, question, and response for an HLD.<\/li>\n\n\n\n<li>Read basic system design principles.\n<ul class=\"wp-block-list\">\n<li>Clarify the requirements including functional and non-functional<\/li>\n\n\n\n<li>Estimate the resources required for storage, bandwidth, etc<\/li>\n\n\n\n<li>Understand the data flow<\/li>\n\n\n\n<li>Design high-level components<\/li>\n\n\n\n<li>Design the architecture of the system<\/li>\n\n\n\n<li>Identify and address the issues<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Go through example questions and answers. <\/li>\n\n\n\n<li>Pick up fresh questions and try to answer them through reasoning.<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-foxiz-elements-note gb-wrap note-wrap none-padding yes-shadow\" style=\"--heading-border-color:#88888822;--border-width:0 0 0 0;--desktop-header-padding:15px 30px 15px 30px;--tablet-header-padding:15px 25px 15px 25px;--mobile-header-padding:15px 20px 15px 20px;--desktop-padding:15px 30px 30px 30px;--tablet-padding:15px 25px 25px 25px;--mobile-padding:15px 20px 20px 20px\"><div class=\"note-header gb-header\"><span class=\"note-heading\"><span class=\"gb-heading heading-icon\"><i class=\"rbi rbi-idea\"><\/i><\/span><h4 class=\"gb-heading none-toc\">Note<\/h4><\/span><\/div><div class=\"note-content gb-content\">\n<p class=\"wp-block-paragraph\"> You must have a good reason for each design you have made in the design.<\/p>\n<\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.scaler.com\/academy\/?utm_source=organic_blog&utm_medium=in_content_middle&utm_content=sde-roadmap\" target=\"_blank\" rel=\"noreferrer noopener\">Scaler’s Software Development Course<\/a> provides in-depth training on Object-Oriented Programming (OOP) concepts, design patterns, and their practical applications in real-world scenarios. Master these essential skills and boost your confidence for technical interviews.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">6. Build Hands-on Projects<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Learning concepts is okay, but recruiters are more interested if you can show them that you can also apply these concepts. Hands-on projects or learning by doing is a very common practice followed by engineers to expertise a skill. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Whatever you learn, try making a small project based on it. Also, when you complete the multiple topics apply it in a big project. This project will help in showcasing your skills to the interviewers. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Some of the most common projects include To-Do Lists, E-commerce websites, and Management systems. Refer to these projects, study them, and try to build your own version. You can also refer to open-source projects to get a better idea of how code is written for huge projects. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">You can also refer to famous websites, applications, or services and try to clone them as your mini version of that project. Maybe add a new feature that you wished it had and make improvements.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/github.com\/bagisto\/bagisto\" target=\"_blank\" rel=\"noreferrer noopener nofollow\"><strong>E-commerce Website<\/strong><\/a><strong>: <\/strong>It is an e-commerce website where they have used web development and a database.<\/li>\n\n\n\n<li><a href=\"https:\/\/github.com\/GorvGoyl\/Clone-Wars\" target=\"_blank\" rel=\"noreferrer noopener nofollow\"><strong>Popular Clones:<\/strong><\/a><strong> <\/strong>Here they have provided clones of various websites like Amazon, Netflix, etc. It is good to explore and have a basic idea of how these would be working. <\/li>\n\n\n\n<li><a href=\"https:\/\/github.com\/The-Cool-Coders\/Project-Ideas-And-Resources\" target=\"_blank\" rel=\"noreferrer noopener nofollow\"><strong>Project ideas and resources:<\/strong><\/a><strong> <\/strong>Here\u2019s a list of projects that you can explore and build your own. For beginners start with simple projects like password generator or the tic tac toe. Later you can build intermediate projects like chatbots, movie apps, etc. <\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Building hands-on projects enhances creativity, problem-solving, self-confidence, critical thinking, etc. One learns project management and sees a clear picture of everything. <\/p>\n\n\n<meta charset=\"UTF-8\">\n <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n\n <!-- Source Sans Pro (topics font) -->\n <link href=\"https:\/\/fonts.googleapis.com\/css2?family=Source+Sans+3:wght@400;600;700&display=swap\" rel=\"stylesheet\">\n <link rel=\"stylesheet\" href=\"https:\/\/cdn.jsdelivr.net\/npm\/swiper@11\/swiper-bundle.min.css\">\n <script src=\"https:\/\/cdn.jsdelivr.net\/npm\/swiper@11\/swiper-bundle.min.js\"><\/script>\n\n <style>\n :root {\n --ss-primary: #005bb3; \/* primary-color-80 *\/\n --ss-card-bg: #ffffff;\n --ss-border: #e6e6e6;\n --ss-quote-bg: #f6f6f6;\n --ss-text-dark: #1c1c1c;\n --ss-text-mid: #6b6b6b;\n --ss-text-muted: #9a9a9a;\n --ss-radius: 12px;\n --ss-radius-sm: 8px;\n --ss-shadow: 0 8px 16px 0 rgba(50, 71, 102, 0.16);\n }\n\n .scaler-ss * { box-sizing: border-box; }\n\n .scaler-ss {\n font-family: \"Source Sans 3\", \"Source Sans Pro\", \"Roboto\", Arial, sans-serif;\n padding: 24px;\n width: 100%;\n }\n .scaler-ss__inner {\n max-width: 1000px;\n margin: 0 auto;\n position: relative;\n width: 100%;\n }\n\n \/* Heading *\/\n .scaler-ss__heading {\n font-size: 26px;\n line-height: 34px;\n font-weight: 700;\n margin: 0 0 16px;\n text-align: center;\n color: var(--ss-text-dark);\n }\n\n \/* Swiper *\/\n .scaler-ss__swiper-wrap { position: relative; }\n .scaler-ss .swiper { width: 100%; padding: 4px; }\n .scaler-ss-swiper .swiper-slide {\n width: 300px; \/* topics card width *\/\n height: auto;\n display: flex;\n }\n\n \/* Card *\/\n .scaler-ss-card {\n display: flex;\n flex-direction: column;\n width: 100%;\n border: 1px solid var(--ss-border);\n border-radius: var(--ss-radius);\n overflow: hidden;\n background: var(--ss-card-bg);\n }\n\n .scaler-ss-card__hike {\n padding: 8px 12px;\n background: var(--ss-primary);\n color: #ffffff;\n font-size: 14px;\n font-weight: 700;\n text-align: center;\n letter-spacing: 0.4px;\n }\n\n .scaler-ss-card__body {\n display: flex;\n flex: 1 1 auto;\n flex-direction: column;\n gap: 12px;\n padding: 16px;\n }\n\n \/* Person *\/\n .scaler-ss-card__person {\n display: flex;\n align-items: center;\n gap: 10px;\n }\n .scaler-ss-card__avatar {\n width: 44px;\n height: 44px;\n min-width: 44px;\n border-radius: 50%;\n object-fit: cover;\n background: var(--ss-quote-bg);\n }\n .scaler-ss-card__name {\n font-size: 16px;\n font-weight: 700;\n line-height: 20px;\n color: var(--ss-text-dark);\n }\n .scaler-ss-card__city {\n font-size: 13px;\n line-height: 18px;\n color: var(--ss-text-mid);\n }\n\n \/* Before \/ Now transition *\/\n .scaler-ss-card__transition {\n display: flex;\n align-items: center;\n justify-content: space-between;\n gap: 8px;\n }\n .scaler-ss-card__col {\n flex: 1;\n min-width: 0;\n }\n .scaler-ss-card__col-label {\n font-size: 11px;\n font-weight: 600;\n letter-spacing: 0.4px;\n color: var(--ss-text-muted);\n margin-bottom: 2px;\n }\n .scaler-ss-card__col-role {\n font-size: 13px;\n line-height: 18px;\n color: var(--ss-text-mid);\n }\n .scaler-ss-card__col-company {\n font-size: 14px;\n font-weight: 700;\n line-height: 20px;\n color: var(--ss-text-dark);\n }\n .scaler-ss-card__company-logo {\n margin-top: 2px;\n max-width: 64px;\n max-height: 20px;\n width: auto;\n height: auto;\n object-fit: contain;\n display: block;\n }\n .scaler-ss-card__arrow {\n flex-shrink: 0;\n width: 28px;\n height: 8px;\n color: var(--ss-text-mid);\n fill: currentColor;\n }\n\n \/* Quote *\/\n .scaler-ss-card__quote {\n font-size: 13px;\n font-style: italic;\n line-height: 19px;\n color: var(--ss-text-mid);\n background: var(--ss-quote-bg);\n border-radius: var(--ss-radius-sm);\n padding: 8px 10px;\n }\n\n \/* View Profile *\/\n .scaler-ss-card__cta,\n .scaler-ss-card__cta:link,\n .scaler-ss-card__cta:visited {\n display: block;\n margin-top: auto;\n text-align: center;\n font-size: 14px;\n font-weight: 600;\n color: var(--ss-primary) !important;\n text-decoration: none;\n border: 1px solid var(--ss-primary);\n border-radius: var(--ss-radius-sm);\n padding: 9px 12px;\n cursor: pointer;\n transition: background 0.2s ease, color 0.2s ease;\n }\n .scaler-ss-card__cta:hover,\n .scaler-ss-card__cta:focus {\n background: var(--ss-primary);\n color: #ffffff !important;\n }\n\n \/* Side navigation arrows *\/\n .scaler-ss__nav {\n position: absolute !important;\n top: 50% !important;\n transform: translateY(-50%) !important;\n z-index: 2;\n width: 46px !important;\n height: 46px !important;\n min-width: 46px;\n display: flex !important;\n align-items: center;\n justify-content: center;\n padding: 0 !important;\n background: var(--ss-card-bg) !important;\n border: none !important;\n border-radius: var(--ss-radius-sm) !important;\n box-shadow: var(--ss-shadow) !important;\n color: #61738e !important;\n cursor: pointer;\n transition: opacity 0.2s ease, visibility 0.2s ease;\n }\n .scaler-ss__nav--prev { left: 8px !important; }\n .scaler-ss__nav--next { right: 8px !important; }\n .scaler-ss__nav svg {\n width: 20px !important;\n height: 20px !important;\n fill: #61738e !important;\n }\n .scaler-ss__nav.swiper-button-disabled {\n opacity: 0;\n visibility: hidden;\n pointer-events: none;\n }\n\n .scaler-ss .swiper-button-prev,\n .scaler-ss .swiper-button-next,\n .scaler-ss .swiper-pagination { display: none; }\n\n \/* Skeleton *\/\n .scaler-ss-card--skeleton { pointer-events: none; }\n .scaler-ss-card--skeleton .scaler-ss-card__hike,\n .scaler-ss-card--skeleton .scaler-ss-card__avatar,\n .scaler-ss-card--skeleton .scaler-ss-card__person-text,\n .scaler-ss-card--skeleton .scaler-ss-card__transition,\n .scaler-ss-card--skeleton .scaler-ss-card__quote,\n .scaler-ss-card--skeleton .scaler-ss-card__cta {\n background: linear-gradient(90deg, var(--ss-border) 25%, var(--ss-quote-bg) 50%, var(--ss-border) 75%);\n background-size: 200% 100%;\n animation: ss-shimmer 1.5s infinite;\n color: transparent !important;\n border-color: transparent !important;\n border-radius: 4px;\n }\n .scaler-ss-card--skeleton .scaler-ss-card__person-text { flex: 1; height: 32px; }\n .scaler-ss-card--skeleton .scaler-ss-card__transition { height: 56px; }\n .scaler-ss-card--skeleton .scaler-ss-card__quote { height: 48px; }\n .scaler-ss-card--skeleton .scaler-ss-card__cta { height: 38px; }\n\n @keyframes ss-shimmer {\n 0% { background-position: 200% 0; }\n 100% { background-position: -200% 0; }\n }\n\n @media (max-width: 768px) {\n .scaler-ss { padding: 16px; }\n .scaler-ss__heading { font-size: 22px; line-height: 30px; }\n .scaler-ss-swiper .swiper-slide { width: 270px; }\n .scaler-ss__nav { display: none !important; }\n }\n <\/style>\n\n\n\n <div class=\"scaler-ss js-scaler-ss\">\n\n <template class=\"js-ss-card-template\">\n <div class=\"swiper-slide\">\n <article class=\"scaler-ss-card\">\n <div class=\"scaler-ss-card__hike js-ss-hike\"><\/div>\n <div class=\"scaler-ss-card__body\">\n <div class=\"scaler-ss-card__person\">\n <img decoding=\"async\" class=\"scaler-ss-card__avatar js-ss-avatar\" src=\"\" alt=\"\" loading=\"lazy\">\n <div class=\"scaler-ss-card__person-text\">\n <div class=\"scaler-ss-card__name js-ss-name\"><\/div>\n <div class=\"scaler-ss-card__city js-ss-city\"><\/div>\n <\/div>\n <\/div>\n\n <div class=\"scaler-ss-card__transition\">\n <div class=\"scaler-ss-card__col\">\n <div class=\"scaler-ss-card__col-label\">BEFORE:<\/div>\n <div class=\"scaler-ss-card__col-role js-ss-before-role\"><\/div>\n <div class=\"scaler-ss-card__col-company js-ss-before-company\"><\/div>\n <\/div>\n <svg class=\"scaler-ss-card__arrow\" viewBox=\"0 0 32 8\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M31.3882 4.35355C31.5835 4.15829 31.5835 3.84171 31.3882 3.64645L28.2062 0.464466C28.011 0.269204 27.6944 0.269204 27.4991 0.464466C27.3039 0.659728 27.3039 0.976311 27.4991 1.17157L30.3276 4L27.4991 6.82843C27.3039 7.02369 27.3039 7.34027 27.4991 7.53553C27.6944 7.7308 28.011 7.7308 28.2062 7.53553L31.3882 4.35355ZM0.034668 4.5H31.0347V3.5H0.034668V4.5Z\"><\/path><\/svg>\n <div class=\"scaler-ss-card__col\">\n <div class=\"scaler-ss-card__col-label\">NOW:<\/div>\n <div class=\"scaler-ss-card__col-role js-ss-now-role\"><\/div>\n <div class=\"js-ss-now-company\"><\/div>\n <\/div>\n <\/div>\n\n <div class=\"scaler-ss-card__quote js-ss-quote\"><\/div>\n\n <a class=\"scaler-ss-card__cta js-ss-cta\" href=\"#\" target=\"_blank\" rel=\"noopener\">View Profile<\/a>\n <\/div>\n <\/article>\n <\/div>\n <\/template>\n\n <div class=\"scaler-ss__inner\">\n <h2 class=\"scaler-ss__heading\"><span class=\"ez-toc-section\" id=\"scaler-alumni-and-their-success-stories\"><\/span>Scaler Alumni and Their Success Stories<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n <div class=\"scaler-ss__swiper-wrap\">\n <div class=\"swiper scaler-ss-swiper\">\n <div class=\"swiper-wrapper js-ss-wrapper\"><\/div>\n <\/div>\n\n <button class=\"scaler-ss__nav scaler-ss__nav--prev js-ss-prev\" aria-label=\"Previous\">\n <svg fill=\"currentColor\" viewBox=\"0 0 32 32\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"transform: rotate(-90deg);\"><path d=\"M5.313 16l10.688-10.688 10.688 10.688-1.938 1.875-7.438-7.438v16.25h-2.625v-16.25l-7.5 7.438z\"><\/path><\/svg>\n <\/button>\n <button class=\"scaler-ss__nav scaler-ss__nav--next js-ss-next\" aria-label=\"Next\">\n <svg fill=\"currentColor\" viewBox=\"0 0 32 32\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"transform: rotate(90deg);\"><path d=\"M5.313 16l10.688-10.688 10.688 10.688-1.938 1.875-7.438-7.438v16.25h-2.625v-16.25l-7.5 7.438z\"><\/path><\/svg>\n <\/button>\n <\/div>\n <\/div>\n <\/div>\n\n <script>\n document.addEventListener(\"DOMContentLoaded\", () => {\n\n const ASSET_CDN = \"https:\/\/d2beiqkhq929f0.cloudfront.net\/public_assets\/assets\";\n const AVATAR_FALLBACK =\n \"data:image\/svg+xml,%3Csvg xmlns='http:\/\/www.w3.org\/2000\/svg' width='44' height='44' viewBox='0 0 44 44'%3E%3Ccircle cx='22' cy='22' r='22' fill='%23e6e6e6'\/%3E%3Ccircle cx='22' cy='17' r='7' fill='%23b9b9b9'\/%3E%3Cpath d='M8 40c0-8 6.3-13 14-13s14 5 14 13' fill='%23b9b9b9'\/%3E%3C\/svg%3E\";\n\n \/\/ Mirrors buildAssetUrl(): pass through absolute urls, else build the CDN url.\n function buildAssetUrl(raw) {\n if (!raw) return \"\";\n if (String(raw).startsWith(\"http\")) return raw;\n return `${ASSET_CDN}\/${raw}\/original`;\n }\n\n const instances = document.querySelectorAll(\".js-scaler-ss\");\n\n instances.forEach(container => {\n if (container.dataset.initialized === \"true\") return;\n container.dataset.initialized = \"true\";\n\n const swiperElement = container.querySelector(\".scaler-ss-swiper\");\n const wrapper = container.querySelector(\".js-ss-wrapper\");\n const template = container.querySelector(\".js-ss-card-template\");\n const nextBtn = container.querySelector(\".js-ss-next\");\n const prevBtn = container.querySelector(\".js-ss-prev\");\n\n if (!wrapper || !template) {\n console.error(\"Scaler Success Stories: missing required elements\");\n return;\n }\n\n const swiper = new Swiper(swiperElement, {\n slidesPerView: \"auto\",\n spaceBetween: 16,\n grabCursor: true,\n observer: true,\n observeParents: true,\n navigation: { nextEl: nextBtn, prevEl: prevBtn },\n });\n\n const pathParts = location.pathname.split(\"\/\").filter(Boolean);\n const currentSlug = pathParts.length > 0 ? pathParts[pathParts.length - 1] : \"homepage\";\n const profileUrl =\n `https:\/\/www.scaler.com\/review\/?utm_source=blog&utm_medium=success_stories&utm_content=${currentSlug}`;\n\n function showSkeletons(count = 4) {\n wrapper.innerHTML = \"\";\n for (let i = 0; i < count; i++) {\n const clone = template.content.cloneNode(true);\n clone.querySelector(\".scaler-ss-card\").classList.add(\"scaler-ss-card--skeleton\");\n wrapper.appendChild(clone);\n }\n swiper.update();\n }\n\n function renderStories(stories) {\n wrapper.innerHTML = \"\";\n if (!stories.length) {\n container.style.display = \"none\"; \/\/ match topics: render nothing when empty\n return;\n }\n\n stories.forEach(story => {\n const a = story.attributes || {};\n const clone = template.content.cloneNode(true);\n\n const hike = String(a.growth || \"\").replace(\"%\", \"\").trim() || \"150\";\n clone.querySelector(\".js-ss-hike\").textContent = `${hike}% HIKE`;\n\n \/\/ Avatar\n const avatar = buildAssetUrl(a.image_url) || a.generated_thumbnail_url || \"\";\n const img = clone.querySelector(\".js-ss-avatar\");\n img.src = avatar || AVATAR_FALLBACK;\n img.alt = a.name || \"Scaler alumnus\";\n img.onerror = function () { this.onerror = null; this.src = AVATAR_FALLBACK; };\n\n clone.querySelector(\".js-ss-name\").textContent = a.name || \"\";\n const cityEl = clone.querySelector(\".js-ss-city\");\n if (a.city) cityEl.textContent = a.city; else cityEl.style.display = \"none\";\n\n \/\/ BEFORE\n clone.querySelector(\".js-ss-before-role\").textContent = a.pre_scaler_role || a.pre_academy_company || \"\";\n const beforeCompany = clone.querySelector(\".js-ss-before-company\");\n if (a.pre_academy_company) beforeCompany.textContent = a.pre_academy_company;\n else beforeCompany.style.display = \"none\";\n\n \/\/ NOW\n clone.querySelector(\".js-ss-now-role\").textContent = a.role || \"\";\n const nowCompanyBox = clone.querySelector(\".js-ss-now-company\");\n const companyLogo = buildAssetUrl(a.company_logo_url);\n if (companyLogo) {\n const logo = document.createElement(\"img\");\n logo.className = \"scaler-ss-card__company-logo\";\n logo.src = companyLogo;\n logo.alt = a.post_academy_company || \"company\";\n logo.loading = \"lazy\";\n logo.onerror = function () {\n this.onerror = null;\n this.replaceWith(Object.assign(document.createElement(\"div\"), {\n className: \"scaler-ss-card__col-company\",\n textContent: a.post_academy_company || \"\",\n }));\n };\n nowCompanyBox.appendChild(logo);\n } else if (a.post_academy_company) {\n nowCompanyBox.className = \"scaler-ss-card__col-company\";\n nowCompanyBox.textContent = a.post_academy_company;\n }\n\n \/\/ Quote (clip to 110 chars like topics)\n const quoteEl = clone.querySelector(\".js-ss-quote\");\n quoteEl.textContent = `\u201c${String(a.content).slice(0, 110)}\u2026\u201d`;\n\n \/\/ View Profile\n clone.querySelector(\".js-ss-cta\").href = profileUrl;\n\n wrapper.appendChild(clone);\n });\n\n swiper.update();\n swiper.slideTo(0);\n }\n\n async function fetchStories() {\n try {\n showSkeletons();\n \/\/ Same-origin POST on www.scaler.com (the blog canonical host).\n \/\/ The endpoint only returns JSON when the Referer is a \/topics\/ page\n \/\/ (a soft anti-hotlinking gate); a \/blog\/ referer gets a Turbolinks\n \/\/ redirect. Since blog + topics are the same origin, we set the\n \/\/ fetch referrer to a topics URL so the server serves the data.\n const res = await fetch(\"\/success-stories\/testimonials\", {\n method: \"POST\",\n credentials: \"include\",\n referrer: \"https:\/\/www.scaler.com\/topics\/\",\n referrerPolicy: \"unsafe-url\",\n headers: {\n \"Content-Type\": \"application\/json\",\n \"Accept\": \"application\/json\",\n \"X-Requested-With\": \"XMLHttpRequest\",\n },\n \/\/ q:{} => all programs (no program filter)\n body: JSON.stringify({\n page_number: 1,\n per_page: 12,\n sort_by: \"eligible_for_qna\",\n new_quick_filters: true,\n quick_filter: [],\n q: {},\n }),\n });\n const json = await res.json();\n const all = (json && json.data && json.data.data) || [];\n \/\/ Only show stories that carry a testimonial quote (matches topics).\n const withQuote = all.filter(s => s.attributes && s.attributes.content);\n renderStories(withQuote);\n } catch (error) {\n console.error(\"Failed to load success stories:\", error);\n container.style.display = \"none\";\n }\n }\n\n fetchStories();\n });\n });\n <\/script>\n\n\n<h2 class=\"wp-block-heading\">7. Get Certifications on Trending Technologies<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Professional certifications help in personal growth and learning new concepts from industry experts. These provide the flexibility to learn from anywhere and even professionals can use certification courses to upskill and receive promotions in their current jobs. This investment of time and resources can provide specialization in one domain and enhance our skill set and understanding of that topic. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Certifications can help you gain a competitive advantage among others. Learning from unreliable resources sometimes misses the best practices but courses are built to go in the right flow and teach exactly what\u2019s used in the companies. You can check our website for <a href=\"https:\/\/www.scaler.com\/academy\/?utm_source=scaler-blog&utm_medium=sde-roadmap&utm_campaign=scaler-blog\" target=\"_blank\" rel=\"noreferrer noopener\">certification courses<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Some of the popular certifications you can rely on are:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>IBM DevOps and Software Engineering Professional Certificate: This is perfect for beginners looking to launch their career in the industry. It provides software development skills along with DevOps, and other tools and technologies.<\/li>\n\n\n\n<li>AWS Certified Developer – Associate: Almost every company is either already using the cloud or is shifting its resources to the cloud. Having knowledge of one of the cloud services is really important.<\/li>\n\n\n\n<li>Microsoft Azure Fundamentals: Azure is again another cloud platform by Microsoft. Along with the cloud, it is beneficial to know software engineering concepts like storage, development, networking, security, etc.<\/li>\n\n\n\n<li>IEEE Professional Software Developer Certification: This professional certification is popular among engineers and is recognized by companies. It is mainly focused for advanced developers.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">As an engineer, we are never going to work with a single technology or the same things. We need to upskill now and then to stay competitive. Certifications provide projects and proof to recruiters that make you a perfect fit for the role.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">8. Sharpen Your Soft skills and Analytical Skills<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Apart from technical skills, an engineer is expected to hold soft skills and analytical skills which will help them interact with clients and handle problems wisely. Engineers are needed to work in teams, communicate, be expressive while sharing their ideas as well as be willing to understand alternative approaches suggested by others.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Soft Skills<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Soft skills are essential for software developers. Whether be it interpersonal skills or technical skills both are extremely important for an engineer. As a developer one is required to communicate complex technical ideas or problems to colleagues or clients. This requires a clear understanding as well as the ability to express and interpret your ideas properly. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Similarly, Emotional intelligence is necessary to understand one\u2019s attributes and develop empathy towards teammates, customers, and others. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Here are some tips to improve soft skills:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Seek feedback<\/li>\n\n\n\n<li>Communicate regularly<\/li>\n\n\n\n<li>Build honest and strong relationships<\/li>\n\n\n\n<li>Get outside your comfort zone<\/li>\n\n\n\n<li>Be always ready to learn<\/li>\n\n\n\n<li>Take leadership responsibilities whenever possible <\/li>\n\n\n\n<li>Always be prepared to adapt and be flexible to work and learn new things<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Analytical Skills<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Decision-making is one of the skills that most of the recruiters look for in an individual. Analytical skills refer to one\u2019s ability to solve problems, make decisions, analyze information, etc. Simple and complex problems can be sorted by detecting patterns and integrating them with existing data.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Here are some of the analytical skills one should work on:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Creativity<\/li>\n\n\n\n<li>Critical Thinking<\/li>\n\n\n\n<li>Data Analysis<\/li>\n\n\n\n<li>Organization<\/li>\n\n\n\n<li><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">9. Prepare for Interviews by Solving Practice Questions<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Solving questions will help you have a stronger understanding of the technical topics and build a problem-solving mindset. You will be able to know fundamental concepts and build confidence in interviews. Also, solving a particular type of question will help you solve similar problems. <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>For the last few months before the interview process start solving DSA problems. Do not miss out on any data structure or algorithm. <\/li>\n\n\n\n<li>Learn design principles to make your code follow good coding practices.<\/li>\n\n\n\n<li>Follow the following coding principles:\n<ul class=\"wp-block-list\">\n<li>DRY – Don\u2019t Repeat Yourself<\/li>\n\n\n\n<li>YAGNI (You aren\u2019t gonna need it)<\/li>\n\n\n\n<li>SOLID principles<\/li>\n\n\n\n<li>Separation of Concerns<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Know your projects well – study them properly and be prepared to answer every single detail about them.<\/li>\n\n\n\n<li>Practice mock sessions of problem-solving as well as interview<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Preparing for SDE 1 Interview<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Specifically for the SDE1 interview follow these additional steps:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Study Computer Science subjects like computer networks, object-oriented programming, databases, etc.<\/li>\n\n\n\n<li>Refer to technical blogs as well as system design videos to tackle system design videos.<\/li>\n\n\n\n<li>Solve problems on <a href=\"https:\/\/www.interviewbit.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">InterviewBIT<\/a> and leetcode<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Preparing for SDE 2 Interview <\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>You can follow a curated list of DSA questions<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Prepare for the machine coding round<\/li>\n\n\n\n<li>System design round<\/li>\n\n\n\n<li>Look into company-specific problems or any specific topic from which they are asking questions.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Preparing for SDE 3 Interview<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Here the DSA questions can be expected of Hard difficulty level.<\/li>\n\n\n\n<li>Preparation will be the same as SDE2, expectations of a wider view of the system and architecture are high.<\/li>\n\n\n\n<li>Code submitted must be secure, easily maintainable, scalable, extensible inventible, etc.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">You will get interview experience articles on Medium, LinkedIn, Quora, and other similar websites which can be helpful in the preparation. You may also contact existing employees on LinkedIn to learn more about the company\u2019s interview process.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">To gain a systematic and comprehensive approach to interview preparation, including guided practice with coding problems, design principles, and mock interviews, consider <a href=\"https:\/\/www.scaler.com\/academy\/?utm_source=organic_blog&utm_medium=in_content_middle&utm_content=sde-roadmap\" target=\"_blank\" rel=\"noreferrer noopener\">enrolling in Scaler’s Software Development Course<\/a>. Our expert instructors and personalized feedback can help you identify your strengths and weaknesses and tailor your preparation for success.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">10. Types of Questions Asked in SDE 1, SDE 2, SDE 3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Soft skills questions and DSA questions are very common for all the roles.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">SDE 1<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Basic Data Structures and Algorithms: <\/strong>DSA questions are usually part of the initial coding and interview rounds for SDE1. It involves questions of linked lists, stacks, queues, trees, hash tables, sorting, etc. DSA questions difficulty may vary from easy to medium and in some of the hard problems too.<\/li>\n\n\n\n<li><strong>Computer Science Subjects: <\/strong>Learn Operating Systems, Computer Networks, System Architecture, etc. computer science subjects.<\/li>\n\n\n\n<li><strong>Problem-Solving: <\/strong>In the problem-solving section, the ability to break down problems, use or come up with efficient algorithms, write clean code, etc are tested. A strong understanding of DSA and computer science subjects along with logical thinking is desired.<\/li>\n\n\n\n<li><strong>System Design: <\/strong>Questions based on projects, class design, architectural principles, etc.<\/li>\n\n\n\n<li><strong>Non-Technical Questions: <\/strong>Non-technical questions include soft skills, problem-solving, ethics, teamwork, communication, etc. Some companies also have an initial aptitude round for testing logical skills and an HR round at the end to test the soft skills of an individual.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">SDE 2<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Advanced DSA: <\/strong>The complexity of data structures and algorithms questions increased it requires a better understanding of basic as well as advanced topics such as heaps, graphs, advanced tree operations, and algorithms.<\/li>\n\n\n\n<li><strong>Object-oriented Design: <\/strong>Questions based on design, classes, and objects, and four pillars of OOP namely inheritance, encapsulation, polymorphism, and abstraction.<\/li>\n\n\n\n<li><strong>System Design: <\/strong>It involves an understanding of the database and organization of data. Through questions and tasks assigned one’s ability to design scalable and efficient systems is tested. Understanding of distributed systems, load balancing, caching, etc. is examined. <\/li>\n\n\n\n<li><strong>Behavioral Questions: <\/strong> For mid-level roles, the questions are meant to understand the candidate\u2019s experience, teamwork, management, guiding juniors, handling challenges and conflicts, judgments, etc.<\/li>\n\n\n\n<li><strong>Machine Coding: <\/strong>Machine coding questions such as designing a snake and ladder, are asked with testing and other development principles. It is an individual round of 1.5 to 3 hours where all the aspects of development are tested.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">SDE 3<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Advanced-Data Structures and Algorithms: <\/strong>Deep understanding along with the capability to design complex systems is tested.<\/li>\n\n\n\n<li><strong>Leadership and Mentorship: <\/strong>At higher positions questions are related to leading a team, mentoring juniors, taking architectural and difficult decisions, etc.<\/li>\n\n\n\n<li><strong>Scalable System Design: <\/strong>As they are responsible for architecture and design decisions that will affect the cost of the company they are given tasks accordingly.<\/li>\n\n\n\n<li><strong>Machine Coding: <\/strong>The machine coding round is also for SDE3, the complexity of the problems is higher in this round and is role-specific.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">11. Prepare a Unique and Tailored Resume <\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>For SDE1 you must have a 1-page Resume listing your education and experience in the recent first order.<\/li>\n\n\n\n<li>Make sure to customize for specific companies by adding keywords mentioned in the requirements.<\/li>\n\n\n\n<li>Keep it updated with projects, certifications, education, jobs, etc.<\/li>\n\n\n\n<li>If the resume exceeds 1 page, remove irrelevant stuff and only include experiences that are relevant to the job.<\/li>\n\n\n\n<li>Use a standard template, and make sure to include a cover letter wherever asked, it may be optional at places but helps increase your chances of selection. <a href=\"https:\/\/cdn-careerservices.fas.harvard.edu\/wp-content\/uploads\/sites\/161\/2023\/04\/HES_resume-and-letter_2022-final.pdf\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Harvard\u2019s<\/a> resume and cover letter are ideal to use.<\/li>\n\n\n\n<li>Some companies provide their guidelines which must also be considered.<\/li>\n\n\n\n<li>SDE2 and SDE3 will require a CV rather than a resume as they have more stuff to showcase. <\/li>\n<\/ul>\n\n\n<style data-wp-block-html=\"css\">\n<style>\n :root {\n --sp-brand: #255aad; \/* brand blue *\/\n --sp-brand-hover: #19468c;\n --sp-card-bg: #ffffff; \/* neutral-scale-0 *\/\n --sp-surface: #f4f6f9; \/* neutral-scale-2 *\/\n --sp-pill-bg: #f8fafc;\n --sp-border: #d6dee5; \/* neutral-scale-4 *\/\n --sp-text-primary: #1a2c47; \/* neutral-scale-12 *\/\n --sp-text-secondary: #61738e; \/* neutral-scale-9 *\/\n }\n\n .scaler-placement * { box-sizing: border-box; }\n\n .scaler-placement {\n font-family: \"Source Sans 3\", \"Source Sans Pro\", \"Roboto\", Arial, sans-serif;\n width: 100%;\n max-width: 100%;\n margin: 24px auto;\n display: flex;\n flex-direction: column;\n }\n\n \/* ---- Placement report (OnlineCallout) ---- *\/\n .scaler-placement__title {\n font-size: 24px;\n font-weight: 600;\n line-height: 1.3;\n color: var(--sp-text-primary);\n margin: 0 0 16px;\n }\n\n .scaler-placement__card {\n display: flex;\n flex-direction: column;\n width: 100%;\n background: var(--sp-card-bg);\n border: 1px solid var(--sp-border);\n border-radius: 20px;\n padding: 16px;\n box-shadow: 0 8px 32px rgba(37, 90, 173, 0.04);\n overflow: hidden;\n gap: 5px;\n }\n\n .scaler-placement__top {\n display: flex;\n flex-direction: row;\n align-items: center;\n width: 100%;\n gap: 18px;\n }\n\n .scaler-placement__stat-block {\n display: flex;\n flex-direction: column;\n justify-content: center;\n align-items: center;\n width: 30%;\n min-width: 200px;\n flex-shrink: 0;\n background: var(--sp-surface);\n border: 1px solid var(--sp-border);\n border-radius: 16px;\n padding: 16px 10px;\n gap: 8px;\n }\n .scaler-placement__stat-number {\n font-size: 48px;\n font-weight: 600;\n line-height: 1;\n color: var(--sp-brand);\n text-align: center;\n }\n .scaler-placement__stat-label {\n font-size: 13px;\n font-weight: 600;\n line-height: 14px;\n color: rgba(37, 90, 173, 0.85);\n text-transform: uppercase;\n letter-spacing: 0.8px;\n }\n\n .scaler-placement__info {\n display: flex;\n flex-direction: column;\n justify-content: center;\n flex: 1;\n gap: 10px;\n }\n .scaler-placement__proof-header {\n display: flex;\n flex-direction: row;\n align-items: center;\n gap: 8px;\n }\n .scaler-placement__proof-header svg { width: 18px; height: 18px; flex-shrink: 0; }\n .scaler-placement__proof-label {\n font-size: 12px;\n font-weight: 600;\n line-height: 16px;\n color: var(--sp-brand);\n text-transform: uppercase;\n letter-spacing: 1px;\n }\n .scaler-placement__body-text {\n font-size: 16px;\n font-weight: 400;\n line-height: 24px;\n color: var(--sp-text-primary);\n margin: 0;\n }\n\n .scaler-placement__bottom {\n display: flex;\n flex-direction: column;\n align-items: flex-start;\n margin-left: calc(30% + 18px);\n width: calc(70% - 18px);\n gap: 12px;\n }\n .scaler-placement__stats-row {\n display: flex;\n flex-direction: row;\n align-items: center;\n gap: 24px;\n }\n .scaler-placement__stat-item {\n display: flex;\n flex-direction: row;\n align-items: center;\n gap: 8px;\n }\n .scaler-placement__stat-item > svg {\n color: var(--sp-brand);\n width: 18px;\n height: 18px;\n flex-shrink: 0;\n }\n .scaler-placement__stat-text {\n display: flex;\n flex-direction: row;\n align-items: center;\n gap: 4px;\n }\n .scaler-placement__stat-value {\n font-size: 16px;\n font-weight: 600;\n line-height: 24px;\n color: var(--sp-text-primary);\n }\n .scaler-placement__stat-desc {\n font-size: 14px;\n font-weight: 400;\n line-height: 20px;\n color: var(--sp-text-secondary);\n }\n\n .scaler-placement__cta,\n .scaler-placement__cta:link,\n .scaler-placement__cta:visited {\n display: inline-flex;\n align-items: center;\n align-self: flex-start;\n font-size: 14px;\n font-weight: 600;\n line-height: 20px;\n color: var(--sp-brand) !important;\n gap: 6px;\n text-decoration: none;\n cursor: pointer;\n margin-top: 2px;\n transition: color 0.25s ease;\n }\n .scaler-placement__cta:hover,\n .scaler-placement__cta:focus { color: var(--sp-brand-hover) !important; }\n .scaler-placement__cta svg {\n width: 14px;\n height: 14px;\n fill: currentColor;\n transition: transform 0.25s ease;\n }\n .scaler-placement__cta:hover svg { transform: translateX(3px); }\n\n \/* ---- Hiring Partners ---- *\/\n .scaler-hiring {\n display: flex;\n align-items: center;\n justify-content: center;\n flex-wrap: wrap;\n gap: 8px 12px;\n margin: 24px 0 8px;\n padding-top: 16px;\n border-top: 1px solid var(--sp-border);\n }\n .scaler-hiring__label {\n font-size: 14px;\n color: var(--sp-text-secondary);\n white-space: nowrap;\n }\n .scaler-hiring__pills {\n display: flex;\n align-items: center;\n flex-wrap: wrap;\n gap: 8px;\n }\n .scaler-hiring__pill {\n display: inline-flex;\n align-items: center;\n gap: 6px;\n padding: 5px 12px 5px 5px;\n background: var(--sp-pill-bg);\n border-radius: 999px;\n }\n .scaler-hiring__badge {\n display: inline-flex;\n align-items: center;\n justify-content: center;\n flex-shrink: 0;\n width: 24px;\n height: 24px;\n border-radius: 50%;\n background: #ffffff;\n }\n .scaler-hiring__logo {\n width: 16px !important;\n height: 16px !important;\n object-fit: contain;\n margin: 0 !important;\n display: block;\n }\n .scaler-hiring__name {\n font-size: 14px;\n font-weight: 600;\n color: var(--sp-text-primary);\n }\n .scaler-hiring__more {\n font-size: 14px;\n color: var(--sp-text-secondary);\n }\n\n @media (max-width: 768px) {\n .scaler-placement__title { font-size: 18px; margin-bottom: 12px; }\n .scaler-placement__card { gap: 16px; border-radius: 16px; }\n .scaler-placement__top { gap: 12px; }\n .scaler-placement__stat-block { width: 35%; min-width: 110px; padding: 12px 8px; gap: 4px; }\n .scaler-placement__stat-number { font-size: 24px; }\n .scaler-placement__stat-label { font-size: 10px; }\n .scaler-placement__body-text { font-size: 14px; line-height: 20px; }\n .scaler-placement__bottom { margin-left: 0; width: 100%; gap: 16px; }\n .scaler-placement__stats-row { flex-wrap: wrap; gap: 10px 16px; }\n .scaler-placement__stat-value { font-size: 14px; line-height: 20px; }\n .scaler-placement__stat-desc { font-size: 12px; line-height: 16px; }\n }\n<\/style>\n\n<meta charset=\"UTF-8\">\n <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n\n <!-- Source Sans Pro (topics font) -->\n <link href=\"https:\/\/fonts.googleapis.com\/css2?family=Source+Sans+3:wght@400;600;700&display=swap\" rel=\"stylesheet\">\n\n<div class=\"scaler-placement\">\n <h2 class=\"scaler-placement__title\"><span class=\"ez-toc-section\" id=\"scaler-placement-report-and-statistics\"><\/span>Scaler Placement Report and Statistics<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n <div class=\"scaler-placement__card\">\n <div class=\"scaler-placement__top\">\n <div class=\"scaler-placement__stat-block\">\n <div class=\"scaler-placement__stat-number\">\u20b923L<\/div>\n <div class=\"scaler-placement__stat-label\">AVG CTC<\/div>\n <\/div>\n <div class=\"scaler-placement__info\">\n <div class=\"scaler-placement__proof-header\">\n <svg viewBox=\"0 0 21 21\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M8.64 0 0 8.683V21h12.257l8.64-8.683V0H8.64zm-.11 17.257H3.725v-4.828H8.53v4.828zm7.901-1.88-4.174 4.194V8.684H1.447l4.076-4.14h10.914l-.006 10.83v.004z\" fill=\"#255aad\"><\/path><\/svg>\n <span class=\"scaler-placement__proof-label\">SCALER PLACEMENT PROOF<\/span>\n <\/div>\n <p class=\"scaler-placement__body-text\">\n Scaler learners achieved 2.5x salary growth with average post-Scaler CTC reaching \u20b923L.\n <\/p>\n <\/div>\n <\/div>\n\n <div class=\"scaler-placement__bottom\">\n <div class=\"scaler-placement__stats-row\">\n <div class=\"scaler-placement__stat-item\">\n <svg fill=\"currentColor\" viewBox=\"0 0 32 32\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M11.199 7.957c-3.086 0-5.588 2.502-5.588 5.588s2.502 5.588 5.588 5.588c3.086 0 5.588-2.502 5.588-5.588s-2.502-5.588-5.588-5.588zM3.611 13.545c0-4.191 3.397-7.588 7.588-7.588s7.588 3.397 7.588 7.588c0 4.191-3.397 7.588-7.588 7.588s-7.588-3.397-7.588-7.588z\"><\/path><path d=\"M21.090 6.369h0.003c1.989 0 3.897 0.79 5.303 2.197s2.197 3.314 2.197 5.303-0.79 3.897-2.197 5.303c-1.406 1.407-3.314 2.197-5.303 2.197-0.552 0-1-0.448-1-1s0.448-1 1-1c1.459 0 2.858-0.579 3.889-1.611s1.611-2.43 1.611-3.889c0-1.459-0.58-2.858-1.611-3.889s-2.429-1.611-3.888-1.611c-0.507 0.002-1.013 0.070-1.502 0.203-0.533 0.145-1.082-0.17-1.227-0.703s0.17-1.082 0.703-1.227c0.659-0.179 1.339-0.27 2.021-0.272z\"><\/path><path d=\"M10.906 21.364c-1.605 0-3.186 0.386-4.61 1.126s-2.649 1.811-3.572 3.124c-0.318 0.452-0.941 0.561-1.393 0.243s-0.561-0.941-0.243-1.393c1.107-1.576 2.577-2.862 4.286-3.749s3.606-1.351 5.532-1.351 3.823 0.463 5.532 1.351c1.709 0.888 3.179 2.174 4.286 3.749 0.318 0.452 0.209 1.076-0.243 1.393s-1.076 0.209-1.393-0.243c-0.923-1.313-2.148-2.385-3.572-3.124s-3.005-1.126-4.61-1.126z\"><\/path><path d=\"M25.704 22.493c-1.424-0.74-3.005-1.125-4.61-1.124-0.552 0-1-0.447-1.001-0.999s0.447-1 0.999-1.001c1.926-0.001 3.824 0.462 5.533 1.349s3.179 2.174 4.286 3.751c0.317 0.452 0.208 1.076-0.244 1.393s-1.076 0.208-1.393-0.244c-0.922-1.313-2.147-2.385-3.571-3.125z\"><\/path><\/svg>\n <div class=\"scaler-placement__stat-text\">\n <span class=\"scaler-placement__stat-value\">11,000+<\/span>\n <span class=\"scaler-placement__stat-desc\">placements<\/span>\n <\/div>\n <\/div>\n <div class=\"scaler-placement__stat-item\">\n <svg fill=\"currentColor\" viewBox=\"0 0 32 32\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M1.2 27.5c0-0.442 0.358-0.8 0.8-0.8h28c0.442 0 0.8 0.358 0.8 0.8s-0.358 0.8-0.8 0.8h-28c-0.442 0-0.8-0.358-0.8-0.8z\"><\/path><path d=\"M3.727 4.227c0.338-0.338 0.795-0.527 1.273-0.527h12c0.477 0 0.935 0.19 1.273 0.527s0.527 0.795 0.527 1.273v22c0 0.442-0.358 0.8-0.8 0.8s-0.8-0.358-0.8-0.8v-22c0-0.053-0.021-0.104-0.059-0.141s-0.088-0.059-0.141-0.059h-12c-0.053 0-0.104 0.021-0.141 0.059s-0.059 0.088-0.059 0.141v22c0 0.442-0.358 0.8-0.8 0.8s-0.8-0.358-0.8-0.8v-22c0-0.477 0.19-0.935 0.527-1.273z\"><\/path><path d=\"M17.2 12.5c0-0.442 0.358-0.8 0.8-0.8h9c0.477 0 0.935 0.19 1.273 0.527s0.527 0.795 0.527 1.273v14c0 0.442-0.358 0.8-0.8 0.8s-0.8-0.358-0.8-0.8v-14c0-0.053-0.021-0.104-0.059-0.141s-0.088-0.059-0.141-0.059h-9c-0.442 0-0.8-0.358-0.8-0.8z\"><\/path><path d=\"M7.2 9.5c0-0.442 0.358-0.8 0.8-0.8h4c0.442 0 0.8 0.358 0.8 0.8s-0.358 0.8-0.8 0.8h-4c-0.442 0-0.8-0.358-0.8-0.8z\"><\/path><path d=\"M9.2 17.5c0-0.442 0.358-0.8 0.8-0.8h4c0.442 0 0.8 0.358 0.8 0.8s-0.358 0.8-0.8 0.8h-4c-0.442 0-0.8-0.358-0.8-0.8z\"><\/path><path d=\"M7.2 22.5c0-0.442 0.358-0.8 0.8-0.8h4c0.442 0 0.8 0.358 0.8 0.8s-0.358 0.8-0.8 0.8h-4c-0.442 0-0.8-0.358-0.8-0.8z\"><\/path><path d=\"M21.2 22.5c0-0.442 0.358-0.8 0.8-0.8h2c0.442 0 0.8 0.358 0.8 0.8s-0.358 0.8-0.8 0.8h-2c-0.442 0-0.8-0.358-0.8-0.8z\"><\/path><path d=\"M21.2 17.5c0-0.442 0.358-0.8 0.8-0.8h2c0.442 0 0.8 0.358 0.8 0.8s-0.358 0.8-0.8 0.8h-2c-0.442 0-0.8-0.358-0.8-0.8z\"><\/path><\/svg>\n <div class=\"scaler-placement__stat-text\">\n <span class=\"scaler-placement__stat-value\">650+<\/span>\n <span class=\"scaler-placement__stat-desc\">companies<\/span>\n <\/div>\n <\/div>\n <div class=\"scaler-placement__stat-item\">\n <svg viewBox=\"0 0 25 24\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M5.60938 18.8906C4.74688 18.0281 5.31875 16.2188 4.87813 15.1594C4.4375 14.1 2.75 13.1719 2.75 12C2.75 10.8281 4.41875 9.9375 4.87813 8.84063C5.3375 7.74375 4.74688 5.97187 5.60938 5.10938C6.47187 4.24688 8.28125 4.81875 9.34063 4.37813C10.4 3.9375 11.3281 2.25 12.5 2.25C13.6719 2.25 14.5625 3.91875 15.6594 4.37813C16.7562 4.8375 18.5281 4.24688 19.3906 5.10938C20.2531 5.97187 19.6812 7.78125 20.1219 8.84063C20.5625 9.9 22.25 10.8281 22.25 12C22.25 13.1719 20.5813 14.0625 20.1219 15.1594C19.6625 16.2562 20.2531 18.0281 19.3906 18.8906C18.5281 19.7531 16.7188 19.1812 15.6594 19.6219C14.6 20.0625 13.6719 21.75 12.5 21.75C11.3281 21.75 10.4375 20.0813 9.34063 19.6219C8.24375 19.1625 6.47187 19.7531 5.60938 18.8906Z\" fill=\"#ffffff\" stroke=\"#255aad\" stroke-width=\"1.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path><path d=\"M16.625 9.75L11.1219 15L8.375 12.375\" stroke=\"#255aad\" stroke-width=\"1.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path><\/svg>\n <span class=\"scaler-placement__stat-desc\">Verified data<\/span>\n <\/div>\n <\/div>\n\n <a class=\"scaler-placement__cta\" href=\"https:\/\/d2beiqkhq929f0.cloudfront.net\/public_assets\/assets\/000\/195\/869\/original\/Scaler_Career_Report.pdf?1778499863\" target=\"_blank\" rel=\"noopener\">\n See full placement report\n <svg viewBox=\"0 0 32 32\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"transform: rotate(90deg);\"><path d=\"M5.313 16l10.688-10.688 10.688 10.688-1.938 1.875-7.438-7.438v16.25h-2.625v-16.25l-7.5 7.438z\"><\/path><\/svg>\n <\/a>\n <\/div>\n <\/div>\n\n <div class=\"scaler-hiring\">\n <span class=\"scaler-hiring__label\">Hiring Partners:<\/span>\n <div class=\"scaler-hiring__pills\">\n <span class=\"scaler-hiring__pill\">\n <span class=\"scaler-hiring__badge\"><img decoding=\"async\" class=\"scaler-hiring__logo\" src=\"https:\/\/d19zaobb0foqu6.cloudfront.net\/topics\/images\/googleicon_.svg\" alt=\"Google\" loading=\"lazy\"><\/span>\n <span class=\"scaler-hiring__name\">Google<\/span>\n <\/span>\n <span class=\"scaler-hiring__pill\">\n <span class=\"scaler-hiring__badge\"><img decoding=\"async\" class=\"scaler-hiring__logo\" src=\"https:\/\/d19zaobb0foqu6.cloudfront.net\/topics\/images\/amazonicon_.svg\" alt=\"Amazon\" loading=\"lazy\"><\/span>\n <span class=\"scaler-hiring__name\">Amazon<\/span>\n <\/span>\n <span class=\"scaler-hiring__pill\">\n <span class=\"scaler-hiring__badge\"><img decoding=\"async\" class=\"scaler-hiring__logo\" src=\"https:\/\/d19zaobb0foqu6.cloudfront.net\/topics\/images\/microsoft.svg\" alt=\"Microsoft\" loading=\"lazy\"><\/span>\n <span class=\"scaler-hiring__name\">Microsoft<\/span>\n <\/span>\n <span class=\"scaler-hiring__pill\">\n <span class=\"scaler-hiring__badge\"><img decoding=\"async\" class=\"scaler-hiring__logo\" src=\"https:\/\/d19zaobb0foqu6.cloudfront.net\/topics\/images\/flipkarticon_.svg\" alt=\"Flipkart\" loading=\"lazy\"><\/span>\n <span class=\"scaler-hiring__name\">Flipkart<\/span>\n <\/span>\n <span class=\"scaler-hiring__pill\">\n <span class=\"scaler-hiring__badge\"><img decoding=\"async\" class=\"scaler-hiring__logo\" src=\"https:\/\/d19zaobb0foqu6.cloudfront.net\/topics\/images\/adobeicon_.svg\" alt=\"Adobe\" loading=\"lazy\"><\/span>\n <span class=\"scaler-hiring__name\">Adobe<\/span>\n <\/span>\n <span class=\"scaler-hiring__more\">1200+ more<\/span>\n <\/div>\n <\/div>\n <\/div>\n\n\n<h2 class=\"wp-block-heading\"><strong>SDE Salary in India + Career Progression (2026)<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The ROI on an SDE career remains among the highest in tech. Salaries vary significantly by company type (product vs service) and location.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Level<\/strong><\/td><td><strong>Experience<\/strong><\/td><td><strong>Salary Range India<\/strong><\/td><td><strong>Top Hiring Cities<\/strong><\/td><td><strong>Key Skills Premium<\/strong><\/td><\/tr><tr><td><strong>SDE-1<\/strong><\/td><td>0\u20132 years<\/td><td>\u20b96\u201315 LPA (product)<\/td><td>Bangalore, Hyderabad, Pune<\/td><td>Strong DSA + 1 deployed project<\/td><\/tr><tr><td><strong>SDE-2<\/strong><\/td><td>2\u20135 years<\/td><td>\u20b915\u201335 LPA<\/td><td>Bangalore, Mumbai, Hyderabad<\/td><td>LLD + System Design + Ownership<\/td><\/tr><tr><td><strong>SDE-3<\/strong><\/td><td>5\u20138 years<\/td><td>\u20b935\u201370+ LPA<\/td><td>Bangalore, Remote<\/td><td>HLD + Mentorship + Arch Decisions<\/td><\/tr><tr><td><strong>Staff\/Principal<\/strong><\/td><td>8+ years<\/td><td>\u20b970 LPA\u20131.5 Cr+<\/td><td>Bangalore, Remote (Global)<\/td><td>Cross-team impact + Tech Strategy<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Source: <\/em><a href=\"https:\/\/www.ambitionbox.com\/profile\/sde-software-development-engineer-salary\" target=\"_blank\" rel=\"noopener\"><em>AmbitionBox<\/em><\/a><em>, <\/em><a href=\"https:\/\/www.glassdoor.co.in\/Salaries\/software-engineer-salary-SRCH_KO0,17.htm\" target=\"_blank\" rel=\"noopener\"><em>Glassdoor<\/em><\/a><em>, Levels.fyi \u2014 2026 estimates. Product companies pay 30\u201350% more than IT services.<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Career Progression Note:<\/strong> SDE-1 focuses on execution. SDE-2 owns features end-to-end. SDE-3 drives architecture. For a deep dive into expectations at each level, read our complete guide on <a href=\"https:\/\/www.scaler.com\/blog\/sde-1-vs-sde-2-vs-sde-3-understand-sde-level-differences\/\"><strong>SDE-1 vs SDE-2 vs SDE-3<\/strong><\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Final Words - Hear it from Experts<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Here are some tips from experts to avoid getting stuck in tutorial hell and make the most out of your learning journey:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1. Focus on Implementation<\/strong>: Balance tutorial learning with hands-on implementation. Merely consuming tutorials doesn't guarantee learning; it's the actual implementation that solidifies your understanding.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2. Problem-Solving Over Solutions<\/strong>: Don't rush to solutions for past interview questions. Instead, hone your problem-solving skills by attempting to solve problems related to data structures and algorithms (DSA) on your own.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3. Build Strong Foundations<\/strong>: Don't rely solely on past interview questions. Ensure you have a strong foundation and problem-solving skills to tackle a variety of challenges effectively.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>4. Avoid Premature Solutions<\/strong>: Resist the temptation to peek at solutions too soon. Invest ample time in solving problems yourself before seeking external help.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>5. Write Readable Code<\/strong>: Practice writing clean, modular code with meaningful variable names. This practice not only aids in technical interviews but also enhances your coding skills overall.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>6. Know Your Projects:<\/strong> Be well-versed in explaining your projects, whether they're self-initiated, part of your job, or academic endeavors. Relate project experiences to potential behavioral interview questions for better articulation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>7. Situational Questions<\/strong>: Familiarize yourself with common situational questions from resources like \"Cracking the Coding Interview.\" Be prepared to discuss challenging situations, key learnings, conflicts, and enjoyable experiences from your projects or work experiences.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How Scaler Academy Can Help in Your SDE Journey?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Transitioning into a successful Software Development Engineer (SDE) role requires more than just technical skills; it demands a deep understanding of the ever-evolving industry landscape. <a href=\"https:\/\/www.scaler.com\/academy\/?utm_source=organic_blog&utm_medium=in_content_footer&utm_content=sde-roadmap\" target=\"_blank\" rel=\"noreferrer noopener\">Scaler's Software Development Course<\/a> emerges as a pivotal player in this journey, offering a multifaceted platform tailored to meet the practical demands of the IT sector. Here's a condensed look at how Scaler Academy contributes to SDE career advancement:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Curriculum Design<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Scaler's curriculum is meticulously crafted to reflect the current and future needs of the tech industry, with emphasis on areas like Data Science, Machine Learning, and DevOps.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Mentorship Programs<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Led by industry veterans, Scaler's mentorship programs offer invaluable insights into the realities of tech careers.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Community Engagement<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Scaler cultivates a vibrant community that encourages mutual learning and support. This network facilitates knowledge exchange and fosters professional connections critical for career progression.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Bridging Industry-Academia Gaps<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Through hands-on education, Scaler addresses the gap between academic learning and industry demands. This approach prepares learners to tackle real-world challenges effectively, smoothing their transition into professional roles.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Personalized Learning Paths<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Recognizing individual learning needs and career aspirations, Scaler provides personalized educational experiences. This tailored approach allows learners to focus on areas most relevant to their goals, optimizing their learning journey.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Career Support Services<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Beyond education, Scaler offers comprehensive career support, including resume building, interview preparation, and placement assistance.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"read-these-important-roadmaps-more-paths-to-career-success\"><\/span><strong>Read These Important Roadmaps: More Paths to Career Success<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-table aligncenter\"><table><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/www.scaler.com\/blog\/dsa-roadmap\/\" target=\"_blank\" rel=\"noreferrer noopener\">DSA Roadmap<\/a><\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/www.scaler.com\/blog\/mlops-roadmap\/\" target=\"_blank\" rel=\"noreferrer noopener\">MLOps Roadmap<\/a><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/www.scaler.com\/blog\/devops-roadmap\/\" target=\"_blank\" rel=\"noreferrer noopener\">DevOps Roadmap<\/a><\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/www.scaler.com\/blog\/data-science-roadmap\/\" target=\"_blank\" rel=\"noreferrer noopener\">Data Science Roadmap<\/a><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/www.scaler.com\/blog\/web-development-roadmap\/\" target=\"_blank\" rel=\"noreferrer noopener\">Web Development Roadmap<\/a><\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/www.scaler.com\/blog\/data-engineer-roadmap\/\" target=\"_blank\" rel=\"noreferrer noopener\">Data Engineer Roadmap<\/a><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/www.scaler.com\/blog\/full-stack-developer-roadmap\/\" target=\"_blank\" rel=\"noreferrer noopener\">Full Stack Developer Roadmap<\/a><\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/www.scaler.com\/blog\/data-analyst-roadmap\/\" target=\"_blank\" rel=\"noreferrer noopener\">Data Analyst Roadmap<\/a><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/www.scaler.com\/blog\/front-end-developer-roadmap\/\" target=\"_blank\" rel=\"noreferrer noopener\">Front-end Developer Roadmap<\/a><\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/www.scaler.com\/blog\/machine-learning-roadmap\/\" target=\"_blank\" rel=\"noreferrer noopener\">Machine Learning Roadmap<\/a><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/www.scaler.com\/blog\/backend-developer-roadmap\/\" target=\"_blank\" rel=\"noreferrer noopener\">Back-end Developer Roadmap<\/a><\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/www.scaler.com\/blog\/software-architect-roadmap\/\" target=\"_blank\" rel=\"noreferrer noopener\">Software Architect Roadmap<\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Frequently Asked Questions<\/h2>\n\n\n\n<div class=\"wp-block-foxiz-elements-accordion gb-wrap gb-accordion yes-shadow yes-open\" style=\"--border-width:0 0 0 0;--desktop-padding:15px 30px 15px 30px;--tablet-padding:10px 25px 10px 25px;--mobile-padding:10px 20px 10px 20px\">\t\t<div class=\"gb-accordion-item wp-block-foxiz-elements-accordion-item\">\r\n\t\t\t<div class=\"accordion-item-header\">\r\n\t\t\t\t<h3 class=\"accordion-title gb-heading\">What are the essential steps to kickstart your SDE roadmap?<\/h3>\t\t\t\t<i class=\"rbi rbi-angle-down gb-heading\"><\/i>\r\n\t\t\t<\/div>\r\n\t\t\t<div class=\"accordion-item-content\">\r\n\t\t\t\t\n\n<p class=\"wp-block-paragraph\">To kickstart your SDE roadmap, learn the fundamentals of programming languages, data structures, and algorithms. Practice regularly through coding exercises and challenges. As you progress, delve into more advanced topics like software design principles, system architecture, and development methodologies.<\/p>\n\n\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\n\n\t\t<div class=\"gb-accordion-item wp-block-foxiz-elements-accordion-item\">\r\n\t\t\t<div class=\"accordion-item-header\">\r\n\t\t\t\t<h3 class=\"accordion-title gb-heading\">How do I prepare for SDE from scratch?<\/h3>\t\t\t\t<i class=\"rbi rbi-angle-down gb-heading\"><\/i>\r\n\t\t\t<\/div>\r\n\t\t\t<div class=\"accordion-item-content\">\r\n\t\t\t\t\n\n<p class=\"wp-block-paragraph\">Preparation for SDE from scratch involves learning the basics of programming languages, understanding fundamental data structures and algorithms, and gaining hands-on experience through projects and coding exercises. Online tutorials, courses, and coding platforms can be valuable resources for self-learning.<\/p>\n\n\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\n\n\t\t<div class=\"gb-accordion-item wp-block-foxiz-elements-accordion-item\">\r\n\t\t\t<div class=\"accordion-item-header\">\r\n\t\t\t\t<h3 class=\"accordion-title gb-heading\">How long does it take to become proficient in programming languages as a beginner?<\/h3>\t\t\t\t<i class=\"rbi rbi-angle-down gb-heading\"><\/i>\r\n\t\t\t<\/div>\r\n\t\t\t<div class=\"accordion-item-content\">\r\n\t\t\t\t\n\n<p class=\"wp-block-paragraph\">Developing a strong foundation and proficiency in a programming language may take several months to a year. However, it depends on dedication, resources, and experience.<\/p>\n\n\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\n\n\t\t<div class=\"gb-accordion-item wp-block-foxiz-elements-accordion-item\">\r\n\t\t\t<div class=\"accordion-item-header\">\r\n\t\t\t\t<h3 class=\"accordion-title gb-heading\">Is a computer science degree necessary to become an SDE?<\/h3>\t\t\t\t<i class=\"rbi rbi-angle-down gb-heading\"><\/i>\r\n\t\t\t<\/div>\r\n\t\t\t<div class=\"accordion-item-content\">\r\n\t\t\t\t\n\n<p class=\"wp-block-paragraph\">A computer science degree provides a structured education and theoretical background in software development, it's not strictly necessary to become an SDE.<\/p>\n\n\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\n\n\t\t<div class=\"gb-accordion-item wp-block-foxiz-elements-accordion-item\">\r\n\t\t\t<div class=\"accordion-item-header\">\r\n\t\t\t\t<h3 class=\"accordion-title gb-heading\">What's the importance of contributing to open-source projects during the learning journey?<\/h3>\t\t\t\t<i class=\"rbi rbi-angle-down gb-heading\"><\/i>\r\n\t\t\t<\/div>\r\n\t\t\t<div class=\"accordion-item-content\">\r\n\t\t\t\t\n\n<p class=\"wp-block-paragraph\">Contributing to open-source projects during the learning journey is important as it offers real-world coding experience, exposure to collaborative development practices, and the opportunity to work on meaningful projects with a community of developers.<\/p>\n\n\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\n\n\t\t<div class=\"gb-accordion-item wp-block-foxiz-elements-accordion-item\">\r\n\t\t\t<div class=\"accordion-item-header\">\r\n\t\t\t\t<h3 class=\"accordion-title gb-heading\">Is it necessary to memorize algorithms and data structures for SDE interviews?<\/h3>\t\t\t\t<i class=\"rbi rbi-angle-down gb-heading\"><\/i>\r\n\t\t\t<\/div>\r\n\t\t\t<div class=\"accordion-item-content\">\r\n\t\t\t\t\n\n<p class=\"wp-block-paragraph\">Once you apply the knowledge of data structures and algorithms to enough problems, you will not be required to memorize it. Thus, a good understanding of DSA and its application is important.<\/p>\n\n\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\n\n\t\t<div class=\"gb-accordion-item wp-block-foxiz-elements-accordion-item\">\r\n\t\t\t<div class=\"accordion-item-header\">\r\n\t\t\t\t<h3 class=\"accordion-title gb-heading\">Are certifications necessary for an aspiring Software Development Engineer (SDE)?<\/h3>\t\t\t\t<i class=\"rbi rbi-angle-down gb-heading\"><\/i>\r\n\t\t\t<\/div>\r\n\t\t\t<div class=\"accordion-item-content\">\r\n\t\t\t\t\n\n<p class=\"wp-block-paragraph\">Certifications are not strictly necessary for aspiring SDEs, but they can be beneficial for demonstrating proficiency in specific technologies or frameworks. However, practical coding skills and problem-solving abilities are typically more valued in the industry.<\/p>\n\n\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\n\n\t\t<div class=\"gb-accordion-item wp-block-foxiz-elements-accordion-item\">\r\n\t\t\t<div class=\"accordion-item-header\">\r\n\t\t\t\t<h3 class=\"accordion-title gb-heading\">What is the difference between SDE 1, SDE 2, and SDE 3 roles?<\/h3>\t\t\t\t<i class=\"rbi rbi-angle-down gb-heading\"><\/i>\r\n\t\t\t<\/div>\r\n\t\t\t<div class=\"accordion-item-content\">\r\n\t\t\t\t\n\n<p class=\"wp-block-paragraph\">SDE 1, SDE 2, and SDE 3 roles typically denote different levels of experience and responsibility within a software development organization. SDE 1 is typically an entry-level position for recent graduates or those with minimal industry experience. SDE 2 usually requires several years of experience and proficiency in software development practices. SDE 3 is a senior-level role with significant expertise in software architecture, design, and leadership.<\/p>\n\n\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\n\n\t\t<div class=\"gb-accordion-item wp-block-foxiz-elements-accordion-item\">\r\n\t\t\t<div class=\"accordion-item-header\">\r\n\t\t\t\t<h3 class=\"accordion-title gb-heading\">How can one balance theory and practical application in their SDE learning journey?<\/h3>\t\t\t\t<i class=\"rbi rbi-angle-down gb-heading\"><\/i>\r\n\t\t\t<\/div>\r\n\t\t\t<div class=\"accordion-item-content\">\r\n\t\t\t\t\n\n<p class=\"wp-block-paragraph\">Understand the fundamental concepts and theories behind software development while also gaining hands-on experience through coding projects, internships, and real-world applications.<\/p>\n\n\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t<\/div>\n\n\n\t\t<div class=\"related-sec related-5\">\r\n\t\t\t<div class=\"inner\">\r\n\t\t\t\t<div class=\"block-h heading-layout-10\"><div class=\"heading-inner\"><h3 class=\"heading-title none-toc\"><span>More Read<\/span><\/h3><\/div><\/div>\t\t\t\t<div class=\"block-inner\">\r\n\t\t\t\t\t\t\t<div class=\"p-wrap p-list-inline\" data-pid=\"5768\">\r\n\t<h4 class=\"entry-title none-toc\"><i class=\"rbi rbi-plus\" aria-hidden=\"true\"><\/i>\t\t<a class=\"p-url\" href=\"https:\/\/www.scaler.com\/blog\/dsa-roadmap\/\" rel=\"bookmark\">DSA Roadmap: Learn Data Structures and Algorithms [2026]<\/a><\/h4>\t\t<\/div>\r\n\t\t\t<div class=\"p-wrap p-list-inline\" data-pid=\"5594\">\r\n\t<h4 class=\"entry-title none-toc\"><i class=\"rbi rbi-plus\" aria-hidden=\"true\"><\/i>\t\t<a class=\"p-url\" href=\"https:\/\/www.scaler.com\/blog\/web-development-roadmap\/\" rel=\"bookmark\">Web Development Roadmap: Become a Web Developer<\/a><\/h4>\t\t<\/div>\r\n\t\t\t<div class=\"p-wrap p-list-inline\" data-pid=\"5447\">\r\n\t<h4 class=\"entry-title none-toc\"><i class=\"rbi rbi-plus\" aria-hidden=\"true\"><\/i>\t\t<a class=\"p-url\" href=\"https:\/\/www.scaler.com\/blog\/devops-roadmap\/\" rel=\"bookmark\">DevOps Roadmap 2026: How to Become a DevOps Engineer from Scratch<\/a><\/h4>\t\t<\/div>\r\n\t\t\t<div class=\"p-wrap p-list-inline\" data-pid=\"6559\">\r\n\t<h4 class=\"entry-title none-toc\"><i class=\"rbi rbi-plus\" aria-hidden=\"true\"><\/i>\t\t<a class=\"p-url\" href=\"https:\/\/www.scaler.com\/blog\/front-end-developer-roadmap\/\" rel=\"bookmark\">Frontend Developer Roadmap 2026<\/a><\/h4>\t\t<\/div>\r\n\t<\/div>\r\n\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The SDE Roadmap (often searched as the software engineer roadmap or software developer roadmap) is structured to help students, freshers, and professionals enter the software world and secure roles at top tech companies and high-growth startups. In 2026, the bar for cracking SDE roles has shifted: companies now prioritize problem-solving patterns, system design basics, CS […]<\/p>\n","protected":false},"author":210,"featured_media":6258,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[35],"tags":[240],"class_list":["post-6257","post","type-post","status-publish","format-standard","has-post-thumbnail","category-software-development","tag-roadmap"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.scaler.com\/blog\/wp-json\/wp\/v2\/posts\/6257","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.scaler.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.scaler.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.scaler.com\/blog\/wp-json\/wp\/v2\/users\/210"}],"replies":[{"embeddable":true,"href":"https:\/\/www.scaler.com\/blog\/wp-json\/wp\/v2\/comments?post=6257"}],"version-history":[{"count":41,"href":"https:\/\/www.scaler.com\/blog\/wp-json\/wp\/v2\/posts\/6257\/revisions"}],"predecessor-version":[{"id":13447,"href":"https:\/\/www.scaler.com\/blog\/wp-json\/wp\/v2\/posts\/6257\/revisions\/13447"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.scaler.com\/blog\/wp-json\/wp\/v2\/media\/6258"}],"wp:attachment":[{"href":"https:\/\/www.scaler.com\/blog\/wp-json\/wp\/v2\/media?parent=6257"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.scaler.com\/blog\/wp-json\/wp\/v2\/categories?post=6257"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.scaler.com\/blog\/wp-json\/wp\/v2\/tags?post=6257"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}