Infosys

Global leader in next-generation digital services and consulting.

3 Rounds ~14 Days Medium

Start Mock Interview

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 Cloud Engineer 2 Data Engineer 4 Machine Learning Engineer 3 Software Engineer 10

All Topics Algorithms 10 Core Java 6 Culture Fit 4 System Design 3 Spring Boot 3 SQL 3 DBMS 2 Microservices 1

Software Engineer • Coding • medium

Find the length of the longest substring without repeating characters.

#Strings #Sliding Window #Hash Table

Practice

Software Engineer • Coding • easy

Write a program to reverse a string in-place without using any built-in library functions.

#Strings #Two Pointers

Practice

Software Engineer • Coding • easy

Find the second largest element in an unsorted integer array in O(n) time complexity.

#Arrays #Optimization

Practice

Software Engineer • Coding • easy

Write a function to check if a given string is a valid palindrome, ignoring non-alphanumeric characters and case.

#Strings #Two Pointers

Practice

Software Engineer • Coding • easy

Given an array containing n distinct numbers taken from 0, 1, 2, ..., n, find the one that is missing from the array.

#Arrays #Math #Bit Manipulation

Practice

Software Engineer • Coding • medium

Write a program to detect if there is a cycle in a singly linked list.

#Linked Lists #Two Pointers

Practice

Software Engineer • Coding • medium

Merge two sorted arrays into a single sorted array without using extra space.

#Arrays #Sorting

Practice

Software Engineer • Coding • easy

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

#Strings #Hash Table

Practice

Software Engineer • Coding • medium

Implement a Stack using two Queues.

#Stack #Queue #Data Structures

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.

#Arrays #Hash Table

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.

Practice Now