Tata Consultancy Services Software Developer interview questions

1. Application/Resume Screening What happens: Recruiters review your resume to match your skills with the job description. Tips: Tailor your resume with keywords from the job posting. Highlight relevant projects and experience. 📞 2. Initial HR/Recruiter Call Duration: 15–30 minutes Focus: Role overview Resume walkthrough Salary expectations Availability Tip: Be clear and confident. Know your resume well. 💻 3. Technical/Online Coding Assessment Platform: HackerRank, Codility, or internal test platform Types of Questions: Algorithms & Data Structures (arrays, strings, trees, graphs, etc.) Time/space complexity analysis Tip: Practice Leetcode, Codeforces, or similar. 🧠 4. Technical Interviews (1–3 Rounds) Format: Live coding or problem-solving on a whiteboard or shared IDE Topics: Core programming (C++, Java, Python, etc.) System design (for mid/senior roles) Object-oriented design Debugging and code review Domain-specific questions (e.g., multithreading, networking) Tip: Communicate your thought process clearly. ⚙️ 5. System Design Interview (For experienced candidates) Focus: Designing scalable systems Trade-offs and architecture choices Tip: Use real-world analogies and mention technologies appropriately (e.g., load balancer, caching, DB sharding). 🤝 6. Behavioral / HR Interview Framework: STAR (Situation, Task, Action, Result) Topics: Team collaboration Conflict resolution Project challenges Tip: Prepare stories from past experience. ✅ 7. Final Round / Onsite Loop Often a series of 3–5 interviews in one day (remote or onsite) Covers all of the above areas + sometimes a culture fit interview