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
Backend Engineer
•
System Design
•
hard
Design a high-throughput transaction processing system for a retail banking client. How do you handle data consistency?
#Distributed Systems
#ACID
#Microservices
Backend Engineer
•
System Design
•
medium
Design an API Rate Limiter for a public-facing TCS client portal to prevent DDoS attacks.
#Security
#Algorithms
#Caching
Backend Engineer
•
System Design
•
medium
Design a notification service that sends Email, SMS, and Push notifications to millions of users.
#Asynchronous Processing
#Message Queues
#Scalability
Backend Engineer
•
System Design
•
hard
Explain the Saga design pattern. How do you handle rollbacks in a distributed transaction?
#Microservices
#Distributed Transactions
#Event Driven
Backend Engineer
•
System Design
•
medium
Design a URL Shortener service like Bitly. How do you ensure the generated short URLs are unique?
#Hashing
#Scalability
#Database Design
Backend Engineer
•
System Design
•
hard
How would you design a distributed cache for a global e-commerce application?
#Caching
#Redis
#Distributed Systems
Difficulty Radar
Based on recent AI-sourced data.
Meet Your Interviewers
The "Standard" Interviewer
Senior EngineerFocuses on core competencies, system constraints, and clear communication.
SimulateUnwritten Rules
Think Out Loud
Always explain your thought process before writing code or drawing architecture.