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Tech Mahindra React Js Frontend Developer Interview Questions and Answers

Updated 21 Jan 2025

Tech Mahindra React Js Frontend Developer Interview Experiences

4 interviews found

Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed in Nov 2024. There were 2 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. Explain Virtual DOM, Key Features of React, Hooks in React, create a todo app in react
  • Ans. 

    Virtual DOM is a lightweight copy of the actual DOM, React key features include component-based architecture, declarative syntax, and virtual DOM, React Hooks are functions that let you use state and other React features without writing a class.

    • Virtual DOM is a lightweight copy of the actual DOM that React uses to improve performance by updating only the necessary parts of the DOM.

    • Key features of React include componen...

  • Answered by AI
  • Q2. Javascript Questions- Closures,promises,Async/await,setTimeOut, write acode to reverse a string
Round 2 - HR 

(2 Questions)

  • Q1. Self Introduction, some situation based questions
  • Q2. Basic HR regular questions
Interview experience
3
Average
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Not Selected

I appeared for an interview in Dec 2024.

Round 1 - Technical 

(2 Questions)

  • Q1. What is the maximum number of stores that can be created in Redux?
  • Ans. 

    There is no hard limit on the number of stores that can be created in Redux.

    • Redux does not have a built-in limit on the number of stores that can be created.

    • Each store in Redux is independent and can manage its own state.

    • It is recommended to use a single store for most applications, but multiple stores can be used for complex scenarios.

    • Creating multiple stores can lead to increased complexity and potential performance

  • Answered by AI
  • Q2. Is it possible to create an object of an abstract class?
  • Ans. 

    No, it is not possible to create an object of an abstract class.

    • Abstract classes cannot be instantiated directly.

    • You can only create objects of concrete classes that inherit from the abstract class.

    • Abstract classes can have abstract methods that must be implemented by concrete subclasses.

  • Answered by AI

React Js Frontend Developer Interview Questions Asked at Other Companies

asked in Simform
Q1. 1. What is difference between abstract class and interface ?
asked in Simform
Q2. 3. What is Difference between primary key and unique key ?
asked in Simform
Q3. 2. What is Arrow Function in Javascripts?
asked in Simform
Q4. 5. Why we require interface and what is interface in java ?
asked in Simform
Q5. 4. how you join three different tables in SQL ?
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed in Jan 2024. There was 1 interview round.

Round 1 - Coding Test 

Easy interview about react js and redux . asked write code to fetch api and do some routing

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
-

I applied via Campus Placement and was interviewed in Sep 2023. There were 3 interview rounds.

Round 1 - Aptitude Test 

Pretty easy when strong in logical

Round 2 - Coding Test 

General coding questions

Round 3 - HR 

(1 Question)

  • Q1. Communication checking

Interview Preparation Tips

Topics to prepare for Tech Mahindra React Js Frontend Developer interview:
  • HTML
  • CSS
  • React.Js
  • Redux
  • Javascript

Tech Mahindra interview questions for designations

 React Developer

 (2)

 Frontend Developer Intern

 (3)

 Developer

 (5)

 Software Developer

 (98)

 Java Developer

 (22)

 Web Developer

 (9)

 Salesforce Developer

 (4)

 Python Developer

 (4)

Interview questions from similar companies

Interview Questionnaire 

3 Questions

  • Q1. Tr1- difference between switch case and if else, write the code for sorting
  • Ans. 

    Switch case is used for multiple conditions while if else is for binary conditions. Sorting can be done using various algorithms.

    • Switch case is faster than if else for multiple conditions

    • If else is more readable for binary conditions

    • Sorting can be done using bubble sort, insertion sort, quick sort, etc.

    • Example code for bubble sort: for(i=0;iarr[j+1]){swap(&arr[j],&arr[j+1]);}}}

  • Answered by AI
  • Q2. Tr2-difference between compiler and interpreter, Solve a challange on their own coding platform with proper output
  • Ans. 

    Difference between compiler and interpreter with a coding challenge

    • Compiler translates the entire code into machine language before execution while interpreter translates line by line during execution

    • Compiler generates an executable file while interpreter does not

    • Compiler is faster but debugging is harder while interpreter is slower but debugging is easier

    • Coding challenge: Write a program to find the sum of two numbers

  • Answered by AI
  • Q3. Oops concept

I applied via Company Website and was interviewed in Feb 2021. There was 1 interview round.

Interview Questionnaire 

2 Questions

  • Q1. Basic oops questions
  • Q2. Software Engineering: software development lifecycle, water flow model etc

Interview Preparation Tips

Interview preparation tips for other job seekers - Interviewers are mostly gentle and friendly.Just be bold and answer what you know.hope this helps.all the best :)

Interview Questionnaire 

1 Question

  • Q1. Tell me about yourself?basics on c , then about projects

I applied via Company Website and was interviewed in Jun 2021. There was 1 interview round.

Interview Questionnaire 

3 Questions

  • Q1. What questions will be asked Aptitude
  • Q2. What questions will be aske Technical round
  • Q3. What questions will be aske hr

Interview Preparation Tips

Interview preparation tips for other job seekers - He

I applied via Campus Placement and was interviewed in Sep 2020. There were 3 interview rounds.

Interview Questionnaire 

13 Questions

  • Q1. What technologies you are familiar with?
  • Ans. 

    I am familiar with a wide range of technologies used in software development.

    • Java

    • Python

    • C++

    • JavaScript

    • HTML/CSS

    • SQL

    • Git

    • Linux

    • RESTful APIs

    • Agile methodologies

  • Answered by AI
  • Q2. What are the OOPs concept in Java?
  • Ans. 

    OOPs concepts in Java include encapsulation, inheritance, polymorphism, and abstraction.

    • Encapsulation: Bundling data and methods together in a class.

    • Inheritance: Creating new classes from existing ones, inheriting their properties and behaviors.

    • Polymorphism: Objects of different classes can be treated as objects of a common superclass.

    • Abstraction: Hiding complex implementation details and providing a simplified interfa

  • Answered by AI
  • Q3. What are the ways to achieve abstraction?
  • Ans. 

    Abstraction can be achieved through interfaces, abstract classes, and encapsulation.

    • Using interfaces to define a set of methods that a class must implement

    • Using abstract classes to provide a base implementation that can be extended by subclasses

    • Encapsulating implementation details to hide complexity and provide a simpler interface

    • Using design patterns such as Factory and Strategy to abstract away implementation details

  • Answered by AI
  • Q4. Difference between class and Interface object and fucntion instance and all the differences?
  • Ans. 

    Class is a blueprint for creating objects while interface defines a contract for implementing classes.

    • Class is a template for creating objects with properties and methods.

    • Interface is a contract that defines a set of methods and properties that a class must implement.

    • Object is an instance of a class that has its own set of properties and methods.

    • Function instance is a reference to a function that can be called with arg...

  • Answered by AI
  • Q5. Some graph question and some more questions from data structure like about linkedlist queue.
  • Q6. Inheritance
  • Q7. Scope of access modifiers
  • Ans. 

    Access modifiers control the visibility and accessibility of class members.

    • Access modifiers include public, private, protected, and internal.

    • Public members can be accessed from anywhere.

    • Private members can only be accessed within the same class.

    • Protected members can be accessed within the same class and its subclasses.

    • Internal members can be accessed within the same assembly.

    • Access modifiers help enforce encapsulation ...

  • Answered by AI
  • Q8. Some tree questions
  • Q9. Some graph question
  • Q10. What do you know about cloud
  • Ans. 

    Cloud refers to the delivery of computing services over the internet.

    • Cloud computing allows users to access data and applications from anywhere with an internet connection.

    • Cloud services can be categorized into three main types: Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS).

    • Cloud providers include Amazon Web Services (AWS), Microsoft Azure, and Google Cloud Platform.

    • ...

  • Answered by AI
  • Q11. Some basic question like which things come in Iaas
  • Q12. What are the ways to achieve some task on aws
  • Ans. 

    There are multiple ways to achieve tasks on AWS depending on the specific task.

    • Using AWS Management Console

    • Using AWS CLI

    • Using AWS SDKs

    • Using AWS CloudFormation

    • Using AWS Elastic Beanstalk

    • Using AWS Lambda

    • Using AWS Step Functions

    • Using AWS Batch

  • Answered by AI
  • Q13. About ec2 and many more

Interview Preparation Tips

Interview preparation tips for other job seekers - Just be honest about what you know and how much you know tell them very clearly you do not know much about this do not try to make stories they know more than you

Skills evaluated in this interview

I applied via Naukri.com and was interviewed in Dec 2020. There were 3 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. 1. Background tables were details are stored for dso, cube
  • Q2. What are sid's?
  • Ans. 

    SID stands for Security Identifier. It is a unique identifier assigned to a user, group, or computer account in Windows.

    • SID is used to control access to resources in Windows

    • It is a string of alphanumeric characters

    • SID is generated by the Windows operating system during the creation of an account

    • It is used to identify users, groups, and computers in a network

    • Example: S-1-5-21-3623811015-3361044348-30300820-1013

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - The recruiter asked the basic technical questions on all the different layers like application layar, datasource level, reporting level, apd, open hub.
My interview last for around 45-60 mins

Tech Mahindra Interview FAQs

How many rounds are there in Tech Mahindra React Js Frontend Developer interview?
Tech Mahindra interview process usually has 1-2 rounds. The most common rounds in the Tech Mahindra interview process are Coding Test, HR and Technical.
How to prepare for Tech Mahindra React Js Frontend Developer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Tech Mahindra. The most common topics and skills that interviewers at Tech Mahindra expect are Javascript, React.Js, CSS, HTML and Redux.
What are the top questions asked in Tech Mahindra React Js Frontend Developer interview?

Some of the top questions asked at the Tech Mahindra React Js Frontend Developer interview -

  1. What is the maximum number of stores that can be created in Red...read more
  2. Is it possible to create an object of an abstract cla...read more
  3. Explain Virtual DOM, Key Features of React, Hooks in React, create a todo app i...read more

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Tech Mahindra React Js Frontend Developer Interview Process

based on 4 interviews

Interview experience

4.3
  
Good
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Tech Mahindra React Js Frontend Developer Salary
based on 15 salaries
₹12.6 L/yr - ₹15.7 L/yr
89% more than the average React Js Frontend Developer Salary in India
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Tech Mahindra React Js Frontend Developer Reviews and Ratings

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5.0/5

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4.4

Skill development

4.7

Work-life balance

3.4

Salary

4.0

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4.7

Company culture

3.7

Promotions

4.7

Work satisfaction

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