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

All Roles Backend Engineer 6 Data Scientist 2 Frontend Engineer 2 Full Stack Engineer 5 Machine Learning Engineer 2 Software Engineer 9

All Topics Algorithms 9 System Design 5 Culture Fit 4 Spring Boot 4 Core Java 4 SQL 3 DBMS 2 Design Patterns 1

Software Engineer • Coding • medium

Write a program to reverse a string without using inbuilt functions, ensuring that special characters remain in their exact original positions.

#Strings #Two Pointers #Data Structures

Practice

Software Engineer • Coding • medium

Write a program to detect a loop (cycle) in a singly linked list.

#Linked List #Floyd's Cycle-Finding Algorithm #Pointers

Practice

Software Engineer • Coding • easy

Find the first non-repeating character in a given string and return its index. If it doesn't exist, return -1.

#Strings #Hash Map #Arrays

Practice

Software Engineer • Coding • hard

Given two sorted arrays, merge them into a single sorted array without using any extra space (O(1) auxiliary space).

#Arrays #Sorting #Math

Practice

Software Engineer • Coding • easy

Given an array of integers and a target sum, return the indices of the two numbers that add up to the target. (Two Sum problem)

#Arrays #Hash Map

Practice

Software Engineer • Coding • easy

Write a program to print the Fibonacci series up to N terms using recursion.

#Recursion #Math #Basic Programming

Practice

Software Engineer • Coding • easy

Write a function to check if two given strings are anagrams of each other.

#Strings #Sorting #Hash Map

Practice

Software Engineer • Coding • easy

Given an array of size N containing distinct numbers in the range from 1 to N+1, find the single missing number.

#Arrays #Math #Bit Manipulation

Practice

Software Engineer • Coding • medium

Write a program to find the longest palindromic substring in a given string.

#Strings #Dynamic Programming #Expand Around Center

Practice

Difficulty Radar

Based on recent AI-sourced data.

Meet Your Interviewers

The "Standard" Interviewer

Senior Engineer

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

Simulate

Unwritten Rules

Think Out Loud

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

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