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Dyninno India Senior Engineer Interview Questions and Answers

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

I applied via Naukri.com and was interviewed in Sep 2024.

2 Interview Rounds

1

Coding Test Round

An online coding test at coderByte. Medium level question.

2

Technical Round (2 Questions)

  • Q1. Find sum of distinct elements from two given array.
  • Q2. Discussion around Java,Spring-boot.

Skills evaluated in this interview

Interview experience
5
 Excellent
Difficulty level
 -
Duration
 -
Result
 -

1 Interview Round

1

Technical Round (1 Question)

  • Q1. Javascript based coding question
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

Interview experience
5
 Excellent
Difficulty level
 Moderate
Duration
 More than 8 weeks
Result
Selected  Selected

I applied via Referral and was interviewed before Aug 2023.

3 Interview Rounds

1

Technical Round (24 Questions)

  • Q1. Codd’s rules of DBMS
  • Q2. Difference between OLAP and OLTP
  • Q3. Difference between ELT and ETL
  • Q4. Difference between DELETE , DROP and TRUNCATE
  • Q5. Explain windows Functions
  • Q6. Explain different Agile ceremonies in Agile Methodology
  • Q7. Write SQL query to find duplicate values from the given scenario
  • Q8. SQL syntax to find NULL or BLANK values from the given scenario
  • Q9. What is Not malization
  • Q10. Write the outputs for the given tables for all joins from the given scenario
  • Q11. What is CRUD in API Testing
  • Q12. What are the set operators and explain them
  • Q13. What are the constraints faced in Data Validation. explain each of them with illustration.
  • Q14. Explain the daily routine at previous Firm
  • Q15. What is Test Improvement Process
  • Q16. Explain Defect Life Cycle
  • Q17. What are the different validations performed in your Testing
  • Q18. What is referential Integrity
  • Q19. What is data acquisition
  • Q20. Write SQL query to DELETE duplicate values in the given scenario
  • Q21. Explain order of execution of SQL query
  • Q22. Explain DDL, DML, DCL, and TCL
  • Q23. What is transactional and Mater Data
  • Q24. Explain the project that was handled in previous firm
2

Technical Round (2 Questions)

  • Q1. Explain your project with suitable illustrations
  • Q2. Real time scenarios
3

One-on-one Round (1 Question)

  • Q1. To understand the Expectation of applicant

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
5
 Excellent
Difficulty level
 -
Duration
 -
Result
 -

1 Interview Round

1

Technical Round (1 Question)

  • Q1. SQL queries like search last element
Interview experience
4
 Good
Difficulty level
 -
Duration
 -
Result
 -

3 Interview Rounds

1

Assignment Round

Code for traffic management

2

Assignment Round

Data structure and algorithms

3

Group Discussion Round

Group discussion on topic

Interview Preparation Tips

Interview preparation tips for other job seekers - Average questions
Interview experience
4
 Good
Difficulty level
 Moderate
Duration
 Less than 2 weeks
Result
 No response

I applied via Company Website and was interviewed in Oct 2023.

2 Interview Rounds

1

Technical Round (1 Question)

  • Q1. Some coding n aptitude n maths n networking related questions
2

HR Round (1 Question)

  • Q1. About my software i learned n general discussion

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