TCS
Large multinational IT services and consulting enterprise based in India.
3 Rounds
~14 Days
Medium
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
Frontend Engineer
•
Coding
•
medium
Design and implement a custom React hook called 'useFetch' that takes a URL and returns data, loading, and error states. Include basic caching.
#Custom Hooks
#API Integration
#State Management
Frontend Engineer
•
Coding
•
medium
Write a React component that fetches a list of users from an API and renders them. Implement pagination (Next/Previous buttons) and handle loading/error states.
#Component Design
#Pagination
#API Integration
Frontend Engineer
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Technical
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medium
Explain the difference between useMemo and useCallback in React. Provide a scenario where misusing them could actually degrade performance.
#Hooks
#Performance Optimization
#Memoization
Frontend Engineer
•
Technical
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hard
What are React Server Components (RSC)? How do they differ from traditional Server-Side Rendering (SSR) in frameworks like Next.js?
#Server Components
#Next.js
#Rendering Strategies
Frontend Engineer
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Technical
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easy
Map the traditional React class component lifecycle methods (componentDidMount, componentDidUpdate, componentWillUnmount) to their functional component Hook equivalents.
#Lifecycle
#Hooks
#useEffect
Frontend Engineer
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Technical
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easy
What is Prop Drilling in React? What are the various strategies to avoid it in a large-scale enterprise application?
#Component Architecture
#State Management
#Context API
Frontend Engineer
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Technical
•
medium
How does React's Virtual DOM work? Why is it considered faster than direct DOM manipulation?
#Virtual DOM
#Reconciliation
#Rendering
Difficulty Radar
Based on recent AI-sourced data.
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The "Standard" Interviewer
Senior EngineerFocuses on core competencies, system constraints, and clear communication.
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Always explain your thought process before writing code or drawing architecture.