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Happiest Minds Technologies Interview Questions, Process, and Tips

Updated 5 Mar 2025

Top Happiest Minds Technologies Interview Questions and Answers

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Happiest Minds Technologies Interview Experiences

Popular Designations

130 interviews found

Interview Questionnaire 

2 Questions

  • Q1. How many columns can be created in table?
  • Ans. 

    The number of columns that can be created in a table depends on the database management system being used.

    • The limit varies depending on the DBMS

    • For MySQL, the limit is 4096 columns per table

    • For Oracle, the limit is 1000 columns per table

    • The number of columns can also be limited by the available memory and disk space

  • Answered by AI
  • Q2. Which is master database
  • Ans. 

    Master database is the primary database that stores all the important data of an organization.

    • Master database is the central repository of all the important data of an organization

    • It is used to store and manage critical data such as customer information, financial data, and employee records

    • It is usually the most secure and highly available database in an organization

    • Examples of master databases include Oracle, SQL Serv

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Some basic questions were asked

Skills evaluated in this interview

Top Happiest Minds Technologies Senior Software Engineer Interview Questions and Answers

Q1. how many columns can be created in table?
View answer (1)

Senior Software Engineer Interview Questions asked at other Companies

Q1. K Largest Elements Problem Statement You are given an integer k and an array of integers that contain numbers in random order. Write a program to find the k largest numbers from the given array. You need to save them in an array and return ... read more
View answer (1)

Interview Questions & Answers

user image Anonymous

posted on 27 Feb 2025

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-

I was interviewed in Jan 2025.

Round 1 - Technical 

(6 Questions)

  • Q1. Explain about Event Loop?
  • Ans. 

    Event Loop is a mechanism in Node.js that allows non-blocking I/O operations to be performed asynchronously.

    • Event Loop is responsible for handling asynchronous operations in Node.js.

    • It allows Node.js to perform I/O operations without blocking the execution of other code.

    • Event Loop continuously checks the event queue for new events and executes them in a loop.

    • It helps in achieving high performance and scalability in Nod

  • Answered by AI
  • Q2. AWS related services questions based on your work experience.
  • Q3. Which is favorite sorting mechanism and write code?
  • Ans. 

    My favorite sorting mechanism is Quick Sort.

    • Quick Sort is a divide-and-conquer algorithm that recursively divides the array into smaller subarrays.

    • It has an average time complexity of O(n log n) and is efficient for large datasets.

    • Example code snippet: function quickSort(arr) { if (arr.length <= 1) { return arr; } const pivot = arr[arr.length - 1]; const left = []; const right = []; for (let i = 0; i < arr.length...

  • Answered by AI
  • Q4. How to handle load or High traffic in node.js?
  • Ans. 

    To handle high traffic in Node.js, use clustering, load balancing, caching, optimizing code, and scaling horizontally.

    • Implement clustering to utilize multiple CPU cores efficiently.

    • Use load balancing to distribute incoming requests across multiple servers.

    • Implement caching to store frequently accessed data and reduce database load.

    • Optimize code for performance by identifying and fixing bottlenecks.

    • Scale horizontally by...

  • Answered by AI
  • Q5. What is Closures and write a simple code along with its real time use case?
  • Ans. 

    Closures are functions that have access to variables from their containing scope even after the scope has closed.

    • Closures allow for data encapsulation and privacy in JavaScript.

    • They are commonly used in event handlers, callbacks, and modules.

    • Example: A counter function using closures to maintain its state.

  • Answered by AI
  • Q6. Threading concept
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I was interviewed in Dec 2024.

Round 1 - Technical 

(2 Questions)

  • Q1. Basic Owasp top 10 vulnerabilities(i.e. XSS, CSRF, SSL pinning, SQL injection, IDOR, etc) with mitigate and prerequisites.
  • Q2. API security questions, i.e api mass assingment, common vulnerabilities
Round 2 - Technical 

(1 Question)

  • Q1. XXE, insecure deserialization,DOM vs Store xss

Application Security Analyst Interview Questions asked at other Companies

Q1. What are DLLs and how they work
View answer (1)
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed in Nov 2024. There were 3 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. Cloudfront related questions
  • Q2. AWS service like Eks ECS
Round 2 - Technical 

(2 Questions)

  • Q1. DevOps CICD related
  • Q2. IAC terraform question
Round 3 - HR 

(2 Questions)

  • Q1. Salary negotiation
  • Q2. Simple discussion about yourself

Interview Preparation Tips

Topics to prepare for Happiest Minds Technologies Cloud Infrastructure Engineer interview:
  • AWS
  • Azure

Cloud Infrastructure Engineer Interview Questions asked at other Companies

Q1. What is your understanding of Service Level Agreements (SLA)?
View answer (1)

Happiest Minds Technologies interview questions for popular designations

 Software Engineer

 (12)

 Technical Lead

 (6)

 Module Lead

 (5)

 Software Developer

 (5)

 Senior Software Engineer

 (5)

 Senior Test Engineer

 (5)

 Senior Engineer

 (4)

 Test Engineer

 (4)

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(2 Questions)

  • Q1. Introduction, Process knowledge
  • Q2. Naukri portal test
Round 2 - HR 

(2 Questions)

  • Q1. Long term goal, family background
  • Q2. Ctc negotiation

Senior Recruiter Interview Questions asked at other Companies

Q1. What is Java, its features, frameworks, database?
View answer (1)

Get interview-ready with Top Happiest Minds Technologies Interview Questions

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
Selected Selected
Round 1 - One-on-one 

(3 Questions)

  • Q1. What are closures
  • Ans. 

    Closures are functions that have access to variables from their containing scope even after the scope has closed.

    • Closures allow functions to access variables from their outer function even after the outer function has finished executing.

    • They are commonly used in event handlers, callbacks, and asynchronous programming.

    • Closures help in maintaining state in functional programming.

  • Answered by AI
  • Q2. What is virtual DOM
  • Ans. 

    Virtual DOM is a lightweight copy of the actual DOM used for efficient updates in web development.

    • Virtual DOM is a concept used in frameworks like React to improve performance by minimizing actual DOM manipulations.

    • When changes are made to the virtual DOM, a comparison is done with the actual DOM to determine the minimal updates needed.

    • This approach reduces the number of costly DOM operations, resulting in faster rende

  • Answered by AI
  • Q3. What are the data types in JS
  • Ans. 

    Data types in JavaScript include number, string, boolean, object, function, undefined, and null.

    • Number - represents numeric data, e.g. 10, 3.14

    • String - represents textual data, e.g. 'hello', '123'

    • Boolean - represents true or false values, e.g. true, false

    • Object - represents complex data structures, e.g. { key: 'value' }

    • Function - represents executable code, e.g. function() { }

    • Undefined - represents a variable that has ...

  • Answered by AI
Round 2 - Technical 

(1 Question)

  • Q1. Write react code for counter
  • Ans. 

    React code for a simple counter

    • Create a functional component for the counter

    • Use useState hook to manage the count state

    • Render the count value and buttons to increment and decrement the count

  • Answered by AI
Round 3 - HR 

(1 Question)

  • Q1. Salary discussion

Interview Preparation Tips

Interview preparation tips for other job seekers - it was good

Skills evaluated in this interview

Top Happiest Minds Technologies Senior Software Engineer Interview Questions and Answers

Q1. how many columns can be created in table?
View answer (1)

Senior Software Engineer Interview Questions asked at other Companies

Q1. K Largest Elements Problem Statement You are given an integer k and an array of integers that contain numbers in random order. Write a program to find the k largest numbers from the given array. You need to save them in an array and return ... read more
View answer (1)

Jobs at Happiest Minds Technologies

View all

Software Engineer Interview Questions & Answers

user image Darshan roopa

posted on 28 Oct 2024

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

Basic coding along with general aptitude

Round 2 - Technical 

(3 Questions)

  • Q1. What is oops describe with real time example?
  • Ans. 

    OOPs (Object-Oriented Programming) is a programming paradigm based on the concept of objects, which can contain data and code.

    • OOPs focuses on creating objects that interact with each other to solve a problem

    • Encapsulation: Objects encapsulate data and behavior. Example: Car object with properties like color and methods like start()

    • Inheritance: Objects can inherit attributes and methods from other objects. Example: Anima...

  • Answered by AI
  • Q2. Describe about data structures with real time examples?
  • Ans. 

    Data structures are ways to organize and store data efficiently in a computer.

    • Data structures are used to store and organize data in a way that makes it easy to access and manipulate.

    • Examples of data structures include arrays, linked lists, stacks, queues, trees, and graphs.

    • For example, an array is a data structure that stores a collection of elements in a contiguous block of memory.

    • A linked list is a data structure wh...

  • Answered by AI
  • Q3. What makes you different from other candidates?
Round 3 - HR 

(2 Questions)

  • Q1. Why do you choose happiest minds ?
  • Q2. Why should we hire you?

Interview Preparation Tips

Interview preparation tips for other job seekers - NA

Skills evaluated in this interview

Software Engineer Interview Questions asked at other Companies

Q1. Bridge and torch problem : Four people come to a river in the night. There is a narrow bridge, but it can only hold two people at a time. They have one torch and, because it's night, the torch has to be used when crossing the bridge. Person... read more
View answer (197)

Data Engineer Interview Questions & Answers

user image Nagaraj Purohit

posted on 28 Aug 2024

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(5 Questions)

  • Q1. Data warehousing related questions
  • Q2. SQL scenario based questions
  • Q3. Project experience
  • Ans. 

    I have experience working on projects involving data pipeline development, ETL processes, and data warehousing.

    • Developed ETL processes to extract, transform, and load data from various sources into a data warehouse

    • Built data pipelines to automate the flow of data between systems and ensure data quality and consistency

    • Optimized database performance and implemented data modeling best practices

    • Worked on real-time data pro...

  • Answered by AI
  • Q4. Python Based questions
  • Q5. AWS features and questions
Round 2 - Technical 

(2 Questions)

  • Q1. Similar to first round but in depth questions relatively
  • Q2. Asked about career goals and stuff
Round 3 - HR 

(2 Questions)

  • Q1. General work related conversation
  • Q2. Salary discussion

Data Engineer Interview Questions asked at other Companies

Q1. Optimal Strategy for a Coin Game You are playing a coin game with your friend Ninjax. There are N coins placed in a straight line. Here are the rules of the game: 1. Each coin has a value associated with it. 2. The game involves two players... read more
View answer (1)
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Basics Js and react
  • Q2. Memoization, useEffect vs useLayoutEffect

Softwaretest Engineer Interview Questions asked at other Companies

Q1. What is boundary value analysis? How do u perform boundary value testing for User ID &amp; Password textfields in login page?
View answer (2)
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed in Aug 2024. There were 3 interview rounds.

Round 1 - One-on-one 

(2 Questions)

  • Q1. Asked questions on protocols, memory layout, c programming.
  • Q2. C programming tricky questions on structures, string, arm architecture, variable types.
Round 2 - One-on-one 

(1 Question)

  • Q1. In depth questions on programming
Round 3 - HR 

(1 Question)

  • Q1. Basic details of experience

Senior Embedded Engineer Interview Questions asked at other Companies

Q1. What is the difference between a while loop and a do while loop?
View answer (1)
Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

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

Round 1 - One-on-one 

(2 Questions)

  • Q1. About Boolean search
  • Q2. About ATS and real time scenarios questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Chill it’s very easy one on one interview mostly they will ask about your family background questions

Talent Acquisition Coordinator Interview Questions asked at other Companies

Q1. how do you prioritize your tasks?
View answer (1)

Happiest Minds Technologies Interview FAQs

How many rounds are there in Happiest Minds Technologies interview?
Happiest Minds Technologies interview process usually has 2-3 rounds. The most common rounds in the Happiest Minds Technologies interview process are Technical, HR and Resume Shortlist.
How to prepare for Happiest Minds Technologies 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 Happiest Minds Technologies. The most common topics and skills that interviewers at Happiest Minds Technologies expect are Automotive, Hospitality, SQL, Python and Agile.
What are the top questions asked in Happiest Minds Technologies interview?

Some of the top questions asked at the Happiest Minds Technologies interview -

  1. 5. What are scope of beans? 6. Functional interfaces and examples 7. Can we mak...read more
  2. 1. Write a program to sort the characters of a string in descending order? 2. W...read more
  3. how many columns can be created in tabl...read more
How long is the Happiest Minds Technologies interview process?

The duration of Happiest Minds Technologies interview process can vary, but typically it takes about less than 2 weeks to complete.

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Happiest Minds Technologies Interview Process

based on 123 interviews

Interview experience

3.8
  
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Happiest Minds Technologies Reviews and Ratings

based on 1k reviews

3.7/5

Rating in categories

3.6

Skill development

3.7

Work-life balance

3.4

Salary

3.7

Job security

3.7

Company culture

3.1

Promotions

3.5

Work satisfaction

Explore 1k Reviews and Ratings
Performance Test Engineer

Bhubaneswar

6-8 Yrs

Not Disclosed

Sr Software Engineer/ .Net Lead

Bangalore / Bengaluru

7-10 Yrs

₹ 20-30 LPA

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