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dezerv Backend Developer Interview Questions and Answers

Updated 19 Jun 2024

dezerv Backend Developer Interview Experiences

1 interview found

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Referral and was interviewed in May 2024. There were 4 interview rounds.

Round 1 - Coding Test 

The coding test was of easy to medium difficulty with more focus on question solving process

Round 2 - Coding Test 

It was a LC Medium question

Round 3 - One-on-one 

(1 Question)

  • Q1. Introduce yourself
Round 4 - HR 

(1 Question)

  • Q1. Standard Culture Fitness Questions

Sopra Steria

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Interview questions from similar companies

I applied via Naukri.com and was interviewed before May 2020. There were 3 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Real life scenarios
  • Q2. Keep your mind prepared with some real life scenarios

Interview Preparation Tips

Interview preparation tips for other job seekers - Talk more about your previous exp.

Interview Questionnaire 

1 Question

  • Q1. General question about your work fields
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
2-4 weeks
Result
Not Selected

I applied via Company Website and was interviewed in Jan 2024. There was 1 interview round.

Round 1 - Coding Test 

Given two soted arrays merge them from a single sorted array with all items in non-decreassing order

Interview experience
1
Bad
Difficulty level
-
Process Duration
-
Result
Selected Selected
Round 1 - HR 

(1 Question)

  • Q1. Human resources is tha set of people who make up the workforce of an organisation, business sector, industry.
Round 2 - Technical 

(2 Questions)

  • Q1. Connected with the partical use of machines, etc. in science and industry
  • Q2. Connected with the skills involved in a particular activity or subject

Interview Preparation Tips

Interview preparation tips for other job seekers - It was great here☺️
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Java threads concepts and its usage
  • Q2. Data structures problems and design quentions

I applied via LinkedIn and was interviewed in Apr 2021. There were 4 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. 1. Mininum cost to reach the last cell of a 2D matrix. Required moves are only downward or to the right direction
  • Ans. 

    Minimum cost to reach last cell of 2D matrix with only downward or right moves.

    • Use dynamic programming approach to solve the problem.

    • Calculate minimum cost for each cell by considering minimum cost of its adjacent cells.

    • Final answer will be the minimum cost to reach the last cell.

  • Answered by AI
  • Q2. Design a Stack that can support getMin functionality. Whenever it calls getMin on stack it should return the min element in the stack.
  • Ans. 

    Design a stack that supports getMin functionality to return the minimum element in the stack.

    • Create two stacks, one for storing the actual elements and another for storing the minimum elements.

    • Push elements onto both stacks simultaneously.

    • When popping an element, pop from both stacks.

    • To get the minimum element, peek at the top of the minimum stack.

  • Answered by AI
  • Q3. Design a TreeSet functionality
  • Ans. 

    TreeSet is a data structure that stores unique elements in sorted order.

    • TreeSet is implemented using a Red-Black tree

    • It provides O(log n) time complexity for basic operations like add, remove, and contains

    • It also provides methods like first(), last(), headSet(), tailSet(), and subSet()

    • TreeSet can be used to implement priority queues and sorting algorithms

  • Answered by AI
  • Q4. Design a ArrayList that supprorts all the existing funtions of a list plus getMax functionality also.
  • Ans. 

    Design an ArrayList with getMax functionality.

    • Create a custom ArrayList class that extends the existing ArrayList class.

    • Add a getMax() method that returns the maximum value in the list.

    • Override the add() method to keep track of the maximum value in the list.

    • Update the maximum value whenever an element is added or removed from the list.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Practice Data Structures and algorithms. If you have industry experience you will be asked system design questions as well, migh as well prepare for that

Skills evaluated in this interview

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

I applied via Internshala and was interviewed before Aug 2023. There were 2 interview rounds.

Round 1 - Coding Test 

Two questions were asked of easy level

Round 2 - Technical 

(2 Questions)

  • Q1. What is node js
  • Ans. 

    Node.js is a runtime environment that allows you to run JavaScript code outside of a web browser.

    • Node.js is built on Chrome's V8 JavaScript engine.

    • It uses an event-driven, non-blocking I/O model.

    • Node.js is commonly used for building server-side applications.

    • It allows developers to use JavaScript for both client-side and server-side development.

    • Node.js has a large ecosystem of open-source libraries and frameworks, such

  • Answered by AI
  • Q2. Php frameworks working
  • Ans. 

    Php frameworks are tools that help developers build web applications more efficiently by providing pre-built components and structures.

    • Popular Php frameworks include Laravel, Symfony, CodeIgniter, and Yii.

    • Frameworks like Laravel offer features like routing, authentication, and database management out of the box.

    • Choosing the right framework depends on project requirements, developer experience, and community support.

  • Answered by AI

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

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

Round 1 - Coding Test 

-----.geeksforgeeks.org/replace-every-element-with-the-greatest-on-right-side/amp/



-----/

Interview Preparation Tips

Topics to prepare for Paytm Backend Developer interview:
  • DSA
  • Core java
  • Design Patterns
  • Spring Boot
Interview preparation tips for other job seekers - DSA , Design Patters , Core Java Concepts , Springboot
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
No response

I applied via Recruitment Consulltant and was interviewed before Oct 2022. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all Resume tips
Round 2 - Coding Test 

Easy what you want to know

Round 3 - One-on-one 

(2 Questions)

  • Q1. Tell me about yourself
  • Q2. Technical skills

Interview Preparation Tips

Interview preparation tips for other job seekers - Easy don't worry
Contribute & help others!
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dezerv Interview FAQs

How many rounds are there in dezerv Backend Developer interview?
dezerv interview process usually has 4 rounds. The most common rounds in the dezerv interview process are Coding Test, One-on-one Round and HR.

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dezerv Backend Developer Interview Process

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Interview experience

4
  
Good
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