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Mantra Labs Software Developer Interview Questions and Answers

Updated 9 Aug 2024

Mantra Labs Software Developer Interview Experiences

2 interviews found

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via campus placement at Narula Institute of Technology, Kolkata and was interviewed before Aug 2023. There were 3 interview rounds.

Round 1 - Aptitude Test 

Basic aptitude like percentage profit loss

Round 2 - Coding Test 

Intermediate question like array string

Round 3 - Technical 

(2 Questions)

  • Q1. Ommit space in a string using java
  • Ans. 

    Use Java to remove spaces from a string

    • Use the replaceAll() method with regex to remove spaces

    • Example: String str = "Hello World"; str = str.replaceAll(" ", "");

    • Alternatively, you can use a loop to iterate through the string and remove spaces

  • Answered by AI
  • Q2. Difference between java and python
  • Ans. 

    Java is a statically typed language with a strong emphasis on object-oriented programming, while Python is dynamically typed and focuses on simplicity and readability.

    • Java is statically typed, meaning variables must be declared with a specific data type, while Python is dynamically typed and does not require explicit variable declarations.

    • Java is strongly typed, meaning variables are strictly bound to their data types,...

  • Answered by AI

Skills evaluated in this interview

I applied via Referral and was interviewed before Jun 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Basic Data Structure and JSON handling

Interview Preparation Tips

Interview preparation tips for other job seekers - basics of ds/algo and nodejs/javascript is sufficient

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Interview questions from similar companies

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-

I applied via Walk-in

Round 1 - Technical 

(2 Questions)

  • Q1. How make a queue using a stack
  • Ans. 

    To implement a queue using a stack, use two stacks and simulate the queue operations.

    • Use two stacks, one for enqueue operation and one for dequeue operation.

    • For enqueue operation, simply push elements onto the stack used for enqueueing.

    • For dequeue operation, if the dequeue stack is empty, pop all elements from enqueue stack and push onto dequeue stack.

    • Then pop from the dequeue stack to simulate dequeue operation.

  • Answered by AI
  • Q2. Create a linked list
  • Ans. 

    A linked list is a data structure consisting of nodes where each node points to the next node in the sequence.

    • Create a Node class with data and next pointer

    • Initialize a head pointer to null

    • Add nodes by updating next pointers

    • Traverse the list by following next pointers

  • Answered by AI

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed in Jun 2024. There were 2 interview rounds.

Round 1 - Coding Test 

It was ok. I was not able to solve all the questions.

Round 2 - Technical 

(2 Questions)

  • Q1. Remove the last element from a linkedlist
  • Ans. 

    To remove the last element from a linked list, iterate to the second last node and update its next pointer to null.

    • Iterate through the linked list to find the second last node

    • Update the next pointer of the second last node to null

  • Answered by AI
  • Q2. Some basic questions on oops dbms and os

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - HR 

(5 Questions)

  • Q1. Tell me about
  • Q2. Your self they are asking
  • Q3. What is your weakness
  • Q4. Any questions ask for me
  • Q5. All the best future
Round 2 - Coding Test 

Coding for international

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

Quantitative arithmetic,verbal reasoning,non-verbal reasoning,etc

Interview Preparation Tips

Interview preparation tips for other job seekers - Nice.
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed in Mar 2024. There were 2 interview rounds.

Round 1 - Aptitude Test 

Simple question on maths

Round 2 - Technical 

(2 Questions)

  • Q1. Explain OOPS concept
  • 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 complex problems

    • Key principles include encapsulation, inheritance, polymorphism, and abstraction

    • Encapsulation ensures that the internal state of an object is hidden from the outside world

    • Inheritance allows a class to inherit...

  • Answered by AI
  • Q2. Coding array questions
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Referral and was interviewed in Feb 2024. There were 2 interview rounds.

Round 1 - Aptitude Test 

Aptitude test was easy but difficult

Round 2 - Technical 

(2 Questions)

  • Q1. Technical questions linked list
  • Q2. Array binary search Dp
Interview experience
3
Average
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed in Jun 2024. There were 2 interview rounds.

Round 1 - Aptitude Test 

In first round there were two test
1st is the personality test.
2nd is the aptitude test were they asked about 10 aptitude questions and around 40 coding based questions, some of them were mcq and rest were output based.

Round 2 - Coding Test 

Contains 4 DSA based questions, 1 question was hard, and other 3 questions were of medium level.

Interview Preparation Tips

Interview preparation tips for other job seekers - You should be well prepared of the Josh Technology Group, you should be very good in coding and should know DSA very well.
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-

I applied via Job Portal

Round 1 - Coding Test 

60mintues DSA level coding exam

Mantra Labs Interview FAQs

How many rounds are there in Mantra Labs Software Developer interview?
Mantra Labs interview process usually has 3 rounds. The most common rounds in the Mantra Labs interview process are Aptitude Test, Coding Test and Technical.
How to prepare for Mantra Labs Software 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 Mantra Labs. The most common topics and skills that interviewers at Mantra Labs expect are Full Stack, GraphQL and Javascript.
What are the top questions asked in Mantra Labs Software Developer interview?

Some of the top questions asked at the Mantra Labs Software Developer interview -

  1. Ommit space in a string using j...read more
  2. Difference between java and pyt...read more
  3. Basic Data Structure and JSON handl...read more

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based on 2 Mantra Labs interviews
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Campus Placement
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Mantra Labs Software Developer Salary
based on 31 salaries
₹4 L/yr - ₹9.6 L/yr
27% less than the average Software Developer Salary in India
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Mantra Labs Software Developer Reviews and Ratings

based on 2 reviews

4.0/5

Rating in categories

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Skill development

3.0

Work-Life balance

3.0

Salary & Benefits

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Job Security

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Company culture

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Promotions/Appraisal

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