TCS

TCS

Large multinational IT services and consulting enterprise based in India.

3 Rounds ~14 Days Medium
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The Interview Loop

Recruiter Screen (30 min)

Standard fit check, behavioral questions, and resume overview.

Technical Loop (3-4 Rounds)

Deep dive into domain knowledge, coding, and system design.

Interview Question Bank

Full Stack Engineer • Technical • medium

Explain the internal working of ConcurrentHashMap in Java 8 and how it differs from Hashtable.

#Java #Collections #Multithreading
Practice
Full Stack Engineer • Technical • easy

How do you handle global exceptions in a Spring Boot REST API?

#Spring Boot #REST API #Exception Handling
Practice
Full Stack Engineer • Technical • medium

What is the N+1 select problem in Hibernate, and how do you resolve it?

#Hibernate #JPA #Database Performance
Practice
Full Stack Engineer • Technical • easy

What are the new features introduced in Java 11 and Java 17 that you have used in your recent projects?

#Java #Language Features
Practice
Full Stack Engineer • Technical • easy

Explain the concept of Dependency Injection and Inversion of Control. How does Spring implement this?

#Spring #Design Patterns #Core Java
Practice
Full Stack Engineer • Technical • medium

How do you create a custom annotation in Java? Provide an example of where you would use one in a Spring Boot application.

#Java #Spring Boot #AOP
Practice
Full Stack Engineer • Technical • medium

Explain the difference between CompletableFuture and traditional Threads/Runnables in Java. How do you handle asynchronous programming?

#Java #Concurrency #Asynchronous
Practice

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The "Standard" Interviewer

Senior Engineer

Focuses on core competencies, system constraints, and clear communication.

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Think Out Loud

Always explain your thought process before writing code or drawing architecture.

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