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dezerv Backend Developer Interview Questions and Answers
dezerv Backend Developer Interview Experiences
1 interview found
Anonymous
Selected
I applied via Referral and was interviewed in May 2024. There were 4 interview rounds.
The coding test was of easy to medium difficulty with more focus on question solving process
It was a LC Medium question
(1 Question)
- Q1. Introduce yourself
(1 Question)
- Q1. Standard Culture Fitness Questions
Sopra Steria
Rated 4 for Job Security by our employees on AmbitionBox
Secure your future with a company that values your job stability.
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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
Pankil Shah
Interview Questionnaire
1 Question
- Q1. General question about your work fields
I applied via Company Website and was interviewed in Jan 2024. There was 1 interview round.
Given two soted arrays merge them from a single sorted array with all items in non-decreassing order
Selected
(1 Question)
- Q1. Human resources is tha set of people who make up the workforce of an organisation, business sector, industry.
(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
(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.
- 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.
- 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
- 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.
Interview Preparation Tips
Skills evaluated in this interview
Selected
I applied via Internshala and was interviewed before Aug 2023. There were 2 interview rounds.
Two questions were asked of easy level
(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
- 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.
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in Mar 2024. There was 1 interview round.
-----.geeksforgeeks.org/replace-every-element-with-the-greatest-on-right-side/amp/
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Interview Preparation Tips
- DSA
- Core java
- Design Patterns
- Spring Boot
I applied via Recruitment Consulltant and was interviewed before Oct 2022. There were 3 interview rounds.
Easy what you want to know
(2 Questions)
- Q1. Tell me about yourself
- Q2. Technical skills
Interview Preparation Tips
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