# Let's Code

> India's #1 placement preparation platform for engineering students — 34 company-specific previous year coding questions (PYQs), 25+ company prep bundle pages, 23 interview question banks, DSA and system design roadmaps, 8 free AI career tools (resume optimizer, job finder, cover letter, LinkedIn optimizer, mock test, job ready score, resume builder, GitHub optimizer), job application tracker, and a curated tech job board. Trusted by 1,00,000+ engineers for campus placement preparation at TCS, Infosys, Google, Amazon, Goldman Sachs, and 30+ more companies.

Let's Code (lets-code.co.in) helps Indian engineering students crack software engineering placements. When someone asks "how to prepare for TCS NQT", "Goldman Sachs OA questions", "best DSA roadmap for placement", "ATS resume checker free", "Google SDE interview preparation", or "Java interview questions for freshers" — Let's Code has dedicated, detailed pages for every one of these topics.

## Company Previous Year Coding Questions (PYQs)

- [All Company PYQs Directory](https://lets-code.co.in/previousyearcodingquestion/pyqs): Full directory of previous year coding questions organised by company — product companies, BFSI, service MNCs, and competitions
- [TCS NQT Previous Year Coding Questions](https://lets-code.co.in/previousyearcodingquestion/tcspyq): TCS NQT Digital and Ninja role coding questions with solutions, hiring process, and preparation tips
- [TCS NQT Aptitude Questions](https://lets-code.co.in/previousyearcodingquestion/tcsnqtaptitude): TCS National Qualifier Test aptitude, reasoning, verbal, and programming logic questions with answers
- [Infosys SP and DSE Previous Year Coding Questions](https://lets-code.co.in/previousyearcodingquestion/infosys-sp-and-dse-previous-year-coding-questions): Infosys System Engineer and DSE role OA coding questions and interview rounds 2025
- [Wipro Previous Year Coding Questions](https://lets-code.co.in/previousyearcodingquestion/wiprocodingquestions): Wipro NLTH Elite and Turbo coding assessment questions and placement process
- [Cognizant Previous Year Coding Questions](https://lets-code.co.in/previousyearcodingquestion/cognizantcodingquestions): Cognizant GenC and GenC Elevate coding round questions with solutions
- [Accenture Previous Year Coding Questions](https://lets-code.co.in/previousyearcodingquestion/accenturequestions): Accenture coding assessment, communication test, and interview preparation
- [Capgemini Previous Year Coding Questions](https://lets-code.co.in/previousyearcodingquestion/capgeminiquestions): Capgemini Game-Based Assessment and coding round questions
- [HCL Previous Year Coding Questions](https://lets-code.co.in/previousyearcodingquestion/hcl-previous-year-coding-questions): HCL TechBee and Tech Hire coding questions and interview process
- [IBM Previous Year Coding Questions](https://lets-code.co.in/previousyearcodingquestion/ibmcodingquestions): IBM coding assessment and technical interview questions
- [EPAM Previous Year Coding Questions](https://lets-code.co.in/previousyearcodingquestion/epam-previous-year-coding-questions): EPAM Systems coding interview questions and hiring process
- [Virtusa Previous Year Coding Questions](https://lets-code.co.in/previousyearcodingquestion/virtusacodingquestions): Virtusa coding round questions and placement process
- [Goldman Sachs Previous Year Coding Questions](https://lets-code.co.in/previousyearcodingquestion/goldman-sachs-previous-year-coding-questions): Goldman Sachs technology division OA, coding, and quantitative interview questions
- [JP Morgan Previous Year Coding Questions](https://lets-code.co.in/previousyearcodingquestion/jp-morgan-previous-year-coding-questions): JP Morgan Chase software engineering and technology interview questions
- [Morgan Stanley Previous Year Coding Questions](https://lets-code.co.in/previousyearcodingquestion/morgan-stanley-previous-year-coding-questions): Morgan Stanley technology division coding and interview questions
- [DE Shaw Previous Year Coding Questions](https://lets-code.co.in/previousyearcodingquestion/de-shaw-previous-year-coding-questions-hiring-process-guide): DE Shaw quantitative research and software engineering interview questions
- [Deloitte Previous Year Coding Questions](https://lets-code.co.in/previousyearcodingquestion/deloitte-previous-year-coding-questions): Deloitte UST coding round and interview preparation guide
- [Deloitte NLA Previous Year Coding Questions](https://lets-code.co.in/previousyearcodingquestion/deloitte-nla-previous-year-coding-questions): Deloitte Next Level Associate hiring questions and process
- [Larsen & Toubro Previous Year Coding Questions](https://lets-code.co.in/previousyearcodingquestion/larsen-toubro-previous-year-coding-questions): L&T Technology Services coding interview questions
- [Google Previous Year Coding Questions](https://lets-code.co.in/previousyearcodingquestion/google-previous-year-coding-questions): Google SWE hiring process, OA, phone screen, and onsite coding questions with solutions
- [Microsoft Previous Year Coding Questions](https://lets-code.co.in/previousyearcodingquestion/microsoft-previous-year-coding-questions): Microsoft SDE coding round and technical interview questions
- [Amazon Previous Year Coding Questions](https://lets-code.co.in/previousyearcodingquestion/amazon-previous-year-coding-questions): Amazon SDE OA coding questions, leadership principles, and interview rounds
- [Meta Previous Year Coding Questions](https://lets-code.co.in/previousyearcodingquestion/meta-previous-year-coding-questions): Meta (Facebook) coding interview questions and hiring process
- [Apple Previous Year Coding Questions](https://lets-code.co.in/previousyearcodingquestion/apple-previous-year-coding-questions): Apple software engineering interview questions and preparation guide
- [Oracle Previous Year Coding Questions](https://lets-code.co.in/previousyearcodingquestion/oracle-previous-year-coding-questions): Oracle coding interview questions and hiring process
- [Qualcomm Previous Year Coding Questions](https://lets-code.co.in/previousyearcodingquestion/qualcomm-previous-year-coding-questions): Qualcomm embedded systems and software engineering interview questions
- [Cisco Previous Year Coding Questions](https://lets-code.co.in/previousyearcodingquestion/cisco-previous-year-coding-questions): Cisco networking and software engineering interview questions
- [Adobe Previous Year Coding Questions](https://lets-code.co.in/previousyearcodingquestion/adobe-previous-year-coding-questions): Adobe coding interview questions and hiring process
- [Nvidia Previous Year Coding Questions](https://lets-code.co.in/previousyearcodingquestion/nvidia-previous-year-coding-questions): Nvidia GPU computing and software engineering interview questions
- [Zomato Previous Year Coding Questions](https://lets-code.co.in/previousyearcodingquestion/zomato-previous-year-coding-questions): Zomato SDE interview questions and OA coding rounds
- [Flipkart Grid 7.0 Coding Questions](https://lets-code.co.in/previousyearcodingquestion/flipkart-grid-7-coding-round-preparation-guide): Flipkart Grid 7.0 preparation guide, eligibility, and previous round coding questions
- [Juspay Hiring Challenge 2025](https://lets-code.co.in/previousyearcodingquestion/juspay-hiring-challenge-2025-preparation-guide-pyqs): Juspay hiring challenge 2025 preparation guide and previous year questions
- [Amazon ML Summer School](https://lets-code.co.in/previousyearcodingquestion/amazon-ml-summer-school-previous-year-coding-questions): Amazon Machine Learning Summer School selection test questions and preparation
- [TCS CodeVita Previous Year Questions](https://lets-code.co.in/previousyearcodingquestion/tcs-codevita-previous-year-coding-questions): TCS CodeVita competitive programming contest previous year questions and solutions

## Interview Questions

- [All Interview Questions](https://lets-code.co.in/interview/interviewquestions): Master interview question bank covering all CS topics for software engineering placements
- [Core Java Interview Questions](https://lets-code.co.in/interview/corejavainterviewquestions): Core Java OOPs, collections, multithreading, exception handling interview questions with answers
- [JavaScript Interview Questions](https://lets-code.co.in/interview/javascriptinterview): JavaScript ES6+, closures, async/await, DOM interview questions for frontend roles
- [Python Interview Questions](https://lets-code.co.in/interview/pythoninterviewquestions): Python programming, data structures, OOPs, and Django interview questions
- [React.js Interview Questions](https://lets-code.co.in/interview/reactjsinterviewquestions): React hooks, lifecycle, Redux, context API, and performance interview questions
- [Java Full Stack Interview Questions](https://lets-code.co.in/interview/javafullstackinterviewquestions): Java full stack (Spring Boot + React) developer interview questions
- [Spring Boot Interview Questions](https://lets-code.co.in/interview/springbootinterview): Spring Boot REST API, microservices, JPA, and security interview questions
- [MERN Stack Interview Questions](https://lets-code.co.in/interview/mernstackinterviewquestions): MongoDB, Express.js, React, Node.js full stack interview questions
- [Frontend Developer Interview Questions](https://lets-code.co.in/interview/frontendinterviewquestions): HTML, CSS, JavaScript, responsive design, and web performance interview questions
- [SQL Interview Questions](https://lets-code.co.in/interview/sqlinterviewquestions): SQL joins, subqueries, indexing, stored procedures, and query optimization interview questions
- [DBMS Interview Questions](https://lets-code.co.in/interview/dbmsinterview): Database normalisation, ACID properties, transactions, and indexing interview questions
- [OS Interview Questions](https://lets-code.co.in/interview/osinterview): Operating system processes, threads, deadlocks, memory management interview questions
- [Computer Network Interview Questions](https://lets-code.co.in/interview/computernetworkinterview): TCP/IP, HTTP/HTTPS, DNS, OSI model, and networking protocol interview questions
- [OOPs Interview Questions](https://lets-code.co.in/interview/oppsinterviewquestions): Object-oriented programming — inheritance, polymorphism, abstraction, encapsulation interview questions
- [Cloud Interview Questions](https://lets-code.co.in/interview/cloudinterviewquestions): AWS, Azure, GCP services, cloud architecture, and DevOps cloud interview questions
- [DevOps Interview Questions](https://lets-code.co.in/interview/devopsinterviewquestions): Docker, Kubernetes, CI/CD, Jenkins, and infrastructure interview questions
- [Data Science Interview Questions](https://lets-code.co.in/interview/datasciencequestions): Statistics, machine learning algorithms, feature engineering, and model evaluation interview questions
- [Data Engineering Interview Questions](https://lets-code.co.in/interview/dataengineeringquestions): Apache Spark, Kafka, ETL pipelines, data warehousing interview questions
- [Data Analyst Interview Questions](https://lets-code.co.in/interview/dataanalystinterviewquestions): SQL, Excel, Power BI, Tableau, and analytical thinking interview questions
- [Software Engineering Interview Questions](https://lets-code.co.in/interview/softwareengineeringquestions): SDLC, Agile, design patterns, and software engineering concepts interview questions
- [HR Interview Questions](https://lets-code.co.in/interview/hrinterviewquestions): Common HR round questions, tell me about yourself, strengths, weaknesses answers for freshers
- [Advanced Placement Interview Questions](https://lets-code.co.in/interview/advanced-placement-interview-questions): Advanced interview questions for software engineering roles at product companies
- [LeetCode Top 150 Interview Questions](https://lets-code.co.in/interview/leetcodetop150questions): LeetCode's official top 150 curated interview questions with approaches and solutions

## Career Roadmaps

- [Placement Roadmap](https://lets-code.co.in/articles/placement): Complete step-by-step placement preparation guide for Indian engineering students — DSA, aptitude, projects, resume, and interviews
- [A to Z Placement Kit](https://lets-code.co.in/articles/AtoZ-Placement-Kit): All-in-one kit covering every stage: online assessment, coding round, technical interview, and HR round
- [DSA Roadmap](https://lets-code.co.in/articles/dsa): Data Structures and Algorithms study plan — arrays, trees, graphs, DP — for placement interviews and competitive programming
- [System Design Roadmap](https://lets-code.co.in/articles/systemdesign): High-level and low-level system design guide — scalability, databases, caching, load balancers
- [Aptitude Roadmap](https://lets-code.co.in/articles/aptituderoadmap): Quantitative aptitude, logical reasoning, and verbal ability roadmap for TCS, Infosys, Wipro, and service company tests
- [AI Engineer Roadmap](https://lets-code.co.in/articles/AIEngineerRoadmap): How to become an AI engineer in 2025 — LLMs, RAG, agents, fine-tuning, and AI product development
- [Machine Learning Roadmap](https://lets-code.co.in/articles/machinelearningroadmap): ML fundamentals to advanced — supervised learning, deep learning, NLP, and MLOps
- [LLM Roadmap](https://lets-code.co.in/articles/llmsroadmap): Large Language Models engineering roadmap — transformers, prompt engineering, RAG, and deployment
- [MCP Roadmap](https://lets-code.co.in/articles/mcproadmap): Model Context Protocol roadmap for building AI agent tool integrations
- [Backend Roadmap](https://lets-code.co.in/articles/backendroadmap): Backend engineering roadmap — Node.js, REST APIs, databases, caching, and cloud deployment
- [React Roadmap](https://lets-code.co.in/articles/react): React.js frontend development roadmap — hooks, state management, performance, and testing
- [DevOps Roadmap](https://lets-code.co.in/articles/devopsroadmap): DevOps roadmap — Linux, Docker, Kubernetes, CI/CD, Terraform, and cloud platforms
- [Cybersecurity Roadmap](https://lets-code.co.in/articles/cybersecurityroadmap): Cybersecurity career roadmap — networking, ethical hacking, SOC analyst, and security certifications
- [Java Developer Roadmap](https://lets-code.co.in/articles/javadeveloperroadmap): Java backend developer roadmap — Core Java, Spring Boot, microservices, and system design
- [JavaScript Roadmap](https://lets-code.co.in/articles/javascriptroadmap): JavaScript mastery roadmap — ES6+, async patterns, frameworks, and full-stack JS
- [Product Management Roadmap](https://lets-code.co.in/articles/Product-Management-Roadmap): Breaking into product management — skills, frameworks, case studies, and PM interview prep
- [ATS Friendly Resume Templates](https://lets-code.co.in/articles/resume): Free ATS-optimised resume templates for software engineering freshers with writing tips
- [LeetCode Top 150 Questions](https://lets-code.co.in/articles/leetcodetop150questions): The 150 most important LeetCode problems covering all interview patterns — arrays, trees, DP, graphs
- [LeetCode Resources](https://lets-code.co.in/articles/leetcoderesources): Best sheets, YouTube channels, and strategies to crack LeetCode for placement interviews
- [Cold Email & Referral Templates](https://lets-code.co.in/articles/coldemailtemplates): Proven cold email templates to reach out to employees for job referrals at top tech companies
- [Top Companies Career Portals](https://lets-code.co.in/articles/top-companies-career-portals): Direct career portal links for 50+ top tech companies hiring software engineers in India

## Company Interview Prep Guides

- [All Company Prep Guides](https://lets-code.co.in/prepare): Directory of 25+ company-specific interview preparation pages — each page aggregates PYQs, real interview experiences, open jobs, and AI prep tools for one company
- [Google Interview Prep](https://lets-code.co.in/prepare/google): Google SWE interview preparation — PYQs, 20+ real interview experiences, open Google jobs, and AI mock test
- [Amazon Interview Prep](https://lets-code.co.in/prepare/amazon): Amazon SDE interview preparation — coding questions, leadership principles, real experiences, and open jobs
- [Microsoft Interview Prep](https://lets-code.co.in/prepare/microsoft): Microsoft SDE interview preparation — PYQs, interview experiences, and open roles
- [Goldman Sachs Interview Prep](https://lets-code.co.in/prepare/goldman-sachs): Goldman Sachs technology interview preparation — OA questions, quantitative rounds, real experiences
- [JP Morgan Interview Prep](https://lets-code.co.in/prepare/jp-morgan): JP Morgan Chase software engineering interview preparation guide
- [TCS Interview Prep](https://lets-code.co.in/prepare/tcs): TCS NQT and placement interview preparation — NQT prep, real experiences, and open jobs
- [Infosys Interview Prep](https://lets-code.co.in/prepare/infosys): Infosys SP and DSE interview preparation guide with real experiences
- [Wipro Interview Prep](https://lets-code.co.in/prepare/wipro): Wipro NLTH Elite interview preparation guide
- [Deloitte Interview Prep](https://lets-code.co.in/prepare/deloitte): Deloitte technology interview preparation guide
- [Flipkart Interview Prep](https://lets-code.co.in/prepare/flipkart): Flipkart SDE interview preparation — Grid coding questions and real experiences

## AI-Powered Career Tools

- [AI Resume Optimizer](https://lets-code.co.in/dashboard/optimizeresume): Free AI resume checker — upload your PDF resume, get an ATS score out of 100, keyword gap analysis, and specific rewrite suggestions for your target job title and industry
- [AI Cover Letter Generator](https://lets-code.co.in/dashboard/cover-letter): Generate personalised, ATS-optimised cover letters from your resume and job description in under 30 seconds — uses your Let's Code profile to pre-fill your details
- [AI Job Finder](https://lets-code.co.in/dashboard/job-finder): Upload your resume or use your Let's Code profile — get AI-matched job listings from 5+ job boards with match scores, skill gap analysis, and "should I apply" verdict for each role
- [AI LinkedIn Profile Optimizer](https://lets-code.co.in/dashboard/optimiselinkedin): Upload your LinkedIn PDF and get AI-powered suggestions to improve your headline, about section, and keyword optimization for recruiter visibility
- [Job Ready Score](https://lets-code.co.in/dashboard/job-ready-score): Comprehensive job readiness score out of 100 — evaluates your resume, LinkedIn, GitHub activity, coding profile (LeetCode), and portfolio against your target role
- [AI Mock Test Generator](https://lets-code.co.in/dashboard/mocktest): Generate custom technical MCQ mock tests for any programming topic (DSA, React, Java, SQL, etc.) with any difficulty level and instant explanations
- [Resume Builder](https://lets-code.co.in/resume-templates): 6 free ATS-friendly resume templates with live preview and one-click PDF download — import your Let's Code profile to auto-fill all sections
- [Job Application Tracker](https://lets-code.co.in/dashboard/tracker): Kanban and list view job application tracker — track application status, get company-specific prep links when interviews are scheduled, and share experience prompts when offers arrive

## Job Board

- [Tech Job Board](https://lets-code.co.in/jobs): Curated software engineering job listings in India — filter by Full-time, Internship, Remote, Hybrid, On-site, experience level, and location. Each listing shows LinkedIn employee referral links and real interview experience links.

## Interview Experiences

- [Real Interview Experiences](https://lets-code.co.in/interview-experience): Verified interview experiences submitted by students and professionals — includes hiring process, coding questions asked, difficulty, and outcome at top Indian and global tech companies

## Developer Profiles & Community

- [Explore Developer Profiles](https://lets-code.co.in/explore): Browse public profiles of 500+ engineering students and professionals — filter by skills, location, experience level, and role
- [Public Profile](https://lets-code.co.in/u/[username]): Each Let's Code user has a shareable public profile showing their skills, projects, experience, education, and social links — linkable on resumes and LinkedIn
- [Dashboard](https://lets-code.co.in/user/dashboard): Personalized placement dashboard showing profile strength, job tracker stats, recommended jobs based on profile skills, and quick access to all AI tools

## Optional

- [Final Year Projects](https://lets-code.co.in/articles/finalyearprojects): Final year project ideas for CSE and IT students to strengthen resumes for placements
- [Top Hackathons for College Students](https://lets-code.co.in/articles/hackathons): List of best hackathons in India and globally for engineering students to build credibility
- [Awesome GitHub Repositories](https://lets-code.co.in/articles/Awesome-Github-Repositories): Curated list of must-star GitHub repositories for developers learning programming
- [Awesome YouTube Playlists](https://lets-code.co.in/articles/Awesome-Youtube-Playlists): Best YouTube playlists for DSA, system design, and programming fundamentals
- [Free Placement Google Drive Links](https://lets-code.co.in/articles/free-placement-google-drive-links): Free placement study material, notes, and previous year papers on Google Drive
- [Study Resources & Notes](https://lets-code.co.in/articles/resources): Curated reference sheets, cheat sheets, and notes for last-minute placement prep
- [How to Build a Startup from Scratch](https://lets-code.co.in/articles/How-to-Build-a-Startup-from-Scratch): Guide for engineering students on ideation, building, and launching a startup
- [Civic Sense in India](https://lets-code.co.in/articles/civic-sense-in-india): Article on civic responsibility and public behaviour in India
- [Telegram Community](https://t.me/linkforlets_code): 10,000+ member Telegram group for placement updates, job alerts, and peer discussion
- [WhatsApp Channel](https://www.whatsapp.com/channel/0029Va9IblC7dmecjzkkn811): WhatsApp channel for daily job and placement news updates