Tech Mahindra

Tech Mahindra

Multinational IT services and consulting company.

4 Rounds ~21 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

Software Engineer • Behavioral • medium

Tell me about a time you had a disagreement with a client regarding a technical requirement. How did you resolve it?

#Communication #Conflict Resolution #Consulting
Practice
Software Engineer • Behavioral • easy

How do you handle a situation where you are assigned a technology stack you have no prior experience with?

#Learning #Flexibility
Practice
Software Engineer • Behavioral • medium

Describe a time when you had to deliver a critical project under a very tight deadline.

#Pressure #Delivery #Prioritization
Practice
Software Engineer • Behavioral • easy

Why do you want to join Tech Mahindra, and how do you align with our focus on IT consulting and telecom?

#Company Knowledge #Motivation
Practice
Software Engineer • Coding • easy

Write a program to reverse a string without using any inbuilt functions like reverse().

#Strings #Loops
Practice
Software Engineer • Coding • medium

Find the second highest number in an integer array in a single pass.

#Arrays #Optimization
Practice
Software Engineer • Coding • medium

Write a Java 8 Stream API query to find the first non-repeating character in a given string.

#Java 8 #Streams #Strings
Practice
Software Engineer • Coding • medium

Implement a thread-safe Singleton design pattern in Java.

#Core Java #Multithreading #Design Patterns
Practice
Software Engineer • Coding • medium

Given an array of integers, find the contiguous subarray with the maximum sum (Kadane's Algorithm).

#Arrays #Dynamic Programming
Practice
Software Engineer • Coding • medium

Write a program to detect a loop in a LinkedList.

#LinkedList #Pointers
Practice
Software Engineer • Coding • hard

Merge two sorted arrays without using extra space.

#Arrays #Sorting #Optimization
Practice
Software Engineer • Coding • medium

Group a list of strings by their length using Java 8 Streams.

#Java 8 #Streams #Collections
Practice
Software Engineer • Coding • easy

Write a Java program to check if two strings are anagrams of each other.

#Strings #Hashing #Sorting
Practice
Software Engineer • System Design • hard

Design a microservices architecture for a Telecom Billing System.

#Microservices #Telecom Domain #Scalability
Practice
Software Engineer • System Design • hard

Explain the Saga design pattern for distributed transactions in microservices.

#Microservices #Transactions #Architecture
Practice
Software Engineer • System Design • hard

How do you ensure high availability and fault tolerance in a Spring Boot microservices ecosystem?

#Microservices #Resilience #Cloud
Practice
Software Engineer • System Design • hard

How would you implement rate limiting for a public-facing API?

#API Gateway #Security #Algorithms
Practice
Software Engineer • System Design • hard

Design a URL Shortener service like Bitly.

#Scalability #Hashing #Database
Practice
Software Engineer • Technical • medium

Explain CI/CD. How would you set up a basic Jenkins pipeline for a Spring Boot application?

#Jenkins #CI/CD #Deployment
Practice
Software Engineer • Technical • medium

Explain the internal working of a HashMap in Java. What changes were introduced in Java 8?

#Collections #Data Structures #Hashing
Practice
Software Engineer • Technical • medium

What is the difference between ConcurrentHashMap and Collections.synchronizedMap()?

#Multithreading #Collections
Practice
Software Engineer • Technical • medium

Write a SQL query to find the nth highest salary of an employee from the Employee table.

#Database #Queries #Window Functions
Practice
Software Engineer • Technical • easy

Explain the difference between @Controller and @RestController in Spring Boot.

#Spring MVC #Annotations
Practice
Software Engineer • Technical • medium

How do you handle exceptions globally in a Spring Boot application?

#Exception Handling #AOP
Practice
Software Engineer • Technical • medium

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

#Hibernate #JPA #Performance
Practice
Software Engineer • Technical • medium

Write a SQL query to fetch all duplicate records from a table.

#Database #Queries #Aggregation
Practice
Software Engineer • Technical • medium

How do you secure a REST API? Explain JWT token-based authentication.

#REST #JWT #Spring Security
Practice
Software Engineer • Technical • medium

What are clustered and non-clustered indexes in SQL?

#Database #Indexing #Performance
Practice
Software Engineer • Technical • medium

Explain the SOLID principles with real-world Java examples.

#OOP #Design Principles
Practice
Software Engineer • Technical • medium

What is Spring Boot Actuator and why is it used in production environments?

#Monitoring #DevOps
Practice
Software Engineer • Technical • medium

What is the difference between @Autowired and Constructor injection? Which is recommended?

#Dependency Injection #Best Practices
Practice
Software Engineer • Technical • medium

Explain the Bean lifecycle in the Spring framework.

#Core Spring #Lifecycle
Practice
Software Engineer • Technical • easy

What is the difference between an Abstract Class and an Interface in Java 8?

#OOP #Java 8
Practice
Software Engineer • Technical • easy

Explain the difference between TRUNCATE, DELETE, and DROP in SQL.

#Database #DDL #DML
Practice
Software Engineer • Technical • medium

How does Garbage Collection work in Java? What are the different types of Garbage Collectors?

#JVM #Memory Management
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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