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Gammastack Software Engineer Interview Questions and Answers

Updated 16 Jun 2024

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Software Engineer Interview Questions

user image Anonymous

posted on 16 Jun 2024

Interview experience
5
 Excellent
Difficulty level
 -
Duration
 -
Result
 -

1 Interview Round

1

Technical Round (1 Question)

  • Q1. SQL queries like search last element

Software Engineer Interview Questions

user image Anonymous

posted on 15 Dec 2021

1 Interview Round

Interview Questions

  • Q1. Given a string consisting of integers 0 to 9. The task is to count the number of substrings which when convert into integer are divisible by 6. Substring does n...read more View Answers (1)

Interview Preparation Tips

Interview preparation tips for other job seekers - Good

Skills evaluated in this interview

Interview questions from similar companies

Interview experience
5
 Excellent
Difficulty level
 Moderate
Duration
 Less than 2 weeks
Result
 Not Selected

I applied via Referral and was interviewed in Sep 2024.

3 Interview Rounds

1

Technical Round (17 Questions)

  • Q1. What was your role and responsibilities in your previous company?
  • Q2. Key features of Java 8.
  • Q3. What is multi-threading and how have you used it in your application?
  • Q4. What are the compatible features of Java?
  • Q5. Can you explain what ConcurrentModificationException is and how to resolve it?
  • Q6. What is Spring Boot?
  • Q7. What are microservices?
  • Q8. Do microservices contain transactional data?
  • Q9. How can microservices be updated with new data?
  • Q10. What technologies can be used to update microservices with data?
  • Q11. How do you configure login in Spring Boot?
  • Q12. How do you handle multiple data sources in Spring Boot?
  • Q13. Do you filter out duplicate employee records from a list?
  • Q14. How do you identify an object in a collection?
  • Q15. What is a REST API?
  • Q16. How do you implement an authentication service in an application?
  • Q17. How does REST service return data and in which format?
2

Technical Round (9 Questions)

  • Q1. What is the role of the Spring Boot actuator?
  • Q2. How can you secure a spring boot application, especially in the context of a banking application? what are the basics of spring security?
  • Q3. How can you integrate Spring Data JPA with Spring Boot?
  • Q4. Can you explain the concept of Optional in Java?
  • Q5. Do you have any experience with job scheduling?
  • Q6. How does microservice architecture differ from monolithic architecture?
  • Q7. What is the use of the CI/CD pipeline in software development?
  • Q8. What technologies you were using to create the UI side of your springboard application?
  • Q9. What do you know about Vaadin?
3

Technical Round (24 Questions)

  • Q1. What is the difference between JDK and JRE?
  • Q2. Can we run a program without JRE?
  • Q3. What is the internal working of HashMap in java?
  • Q4. What happens if I have a key with a null value in HashMap and where it will get stored?
  • Q5. Difference between fail-fast and fail-safe? which one is synchronized?
  • Q6. HashMap vs LinkedHashMap?
  • Q7. Load factor in HashMap?
  • Q8. What is a Daemon thread?
  • Q9. Concept of multithreading in Java and how does it work?
  • Q10. What is the Executor framework in Java?
  • Q11. Name some methods in Executor framework?
  • Q12. What is the join method in Java?
  • Q13. Explain one-to-many and many-to-one relationships in Hibernate.
  • Q14. What is an ID in Hibernate and how it is used?
  • Q15. How do you create custom queries in Spring Data JPA?
  • Q16. Name different annotations used in Spring Boot.
  • Q17. How to create a repository interface in Spring Data JPA?
  • Q18. How to define custom queries in the repository interface?
  • Q19. What is the difference between @Controller and @RestController?
  • Q20. What is DispatcherServlet in Spring Boot?
  • Q21. What are microservices?
  • Q22. How does communication happen between microservices?
  • Q23. Internal working of messaging between microservices.
  • Q24. Coding problem - Find the maximum and minimum sum after removing one element from an array. (what is the time complexity of the program?)

Interview Preparation Tips

Interview preparation tips for other job seekers - Make sure to have deep knowledge about:
Core Java, Java Generics, Spring Boot, Web Services, ORM, JMS, and Microservice Architecture.

Good to know about CI/CD and Vaadin.

Skills evaluated in this interview

Interview experience
5
 Excellent
Difficulty level
 -
Duration
 -
Result
 -

1 Interview Round

1

Assignment Round

Basics of python , java ,oops, dbms

Interview experience
2
 Poor
Difficulty level
 Moderate
Duration
 Less than 2 weeks
Result
 No response

I applied via Job Portal and was interviewed in Feb 2024.

3 Interview Rounds

1

Aptitude Test Round

30 mins Aptitude Question

2

Coding Test Round

30 mins - 3 Coding Question

3

Technical Round (2 Questions)

  • Q1. Describe Rest API
  • Q2. What is various Response code. Diffenrence b/w 200 & 201, 400 & 403

Skills evaluated in this interview

Software Engineer Interview Questions

Centelon user image sangramsinh Tanaji katare

posted on 7 Oct 2023

Interview experience
5
 Excellent
Difficulty level
 Moderate
Duration
 2-4 weeks
Result
 Not Selected

I applied via campus placement at Tatyasaheb Kore Institute of Engineering and Technology, Warananagar and was interviewed in Sep 2023.

3 Interview Rounds

1

Aptitude Test Round

1 hour test tha focus on the logical apti que.

2

Coding Test Round

1 hr for complete the code and pass the test case.

3

Technical Round (3 Questions)

  • Q1. Depth knowledege about sql , oops concept , project and logics of programming language.
  • Q2. Tell me about your project
  • Q3. Tell me about your internship experiance.

Interview Preparation Tips

Topics to prepare for Centelon Software Engineer interview:
  • SQL
  • C++
  • Java
  • HTML
  • CSS
Interview preparation tips for other job seekers - Focus an the deep knowledge on logic.
Interview experience
4
 Good
Difficulty level
 Moderate
Duration
 Less than 2 weeks
Result
 -

I was interviewed in Nov 2023.

1 Interview Round

1

Technical Round (2 Questions)

  • Q1. PowerApps question
  • Q2. Name of client, what is

Interview Preparation Tips

Interview preparation tips for other job seekers - Job based on project, If they have no project then no job.
Interview experience
5
 Excellent
Difficulty level
 -
Duration
 -
Result
 -

1 Interview Round

1

Technical Round (1 Question)

  • Q1. Languages attended

I was interviewed in Jun 2021.

1 Interview Round

Interview Questions

Interview Preparation Tips

Interview preparation tips for other job seekers - It was good, selection is one day process. salary is 3.6 lacks per annum it was very a good experience. interview was knowledgeable and experience. overall it was good but salary could have been better. work location given were too far away form my hometown

I applied via Company Website and was interviewed before Dec 2020.

3 Interview Rounds

Interview Preparation Tips

Interview preparation tips for other job seekers - If applying for backend PHP have better understanding of
Design principles
OOPS concepts
Logical programming

Gammastack Interview FAQs

How many rounds are there in Gammastack Software Engineer interview?
Gammastack interview process usually has 1 rounds. The most common rounds in the Gammastack interview process are Technical.
What are the top questions asked in Gammastack Software Engineer interview?

Some of the top questions asked at the Gammastack Software Engineer interview -

  1. Given a string consisting of integers 0 to 9. The task is to count the number o...read more
  2. SQL queries like search last elem...read more

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₹3.4 L/yr - ₹7.2 L/yr
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