I applied through a recruiter. The process took 1 day. I interviewed at Persistent Systems (Pune) in Aug 2025
Interview
I recently appeared for an interview at Persistent Systems for the Full Stack Java Developer role. The overall process was well-structured and professionally conducted. ound the interview process to be fair and transparent. It tested both technical expertise and problem-solving ability, while also assessing communication skills.
This experience gave me valuable insights into areas I can strengthen further, especially in advanced Java concurrency.
Interview questions [1]
Question 1
react basics, core java and advanced java, mongodb related questions
I applied through other source. The process took 3 days. I interviewed at Persistent Systems (Pune) in Apr 2021
Interview
Directly received call by the HR Team of Persistent, since they found my profile on job portal. They were very professional and scheduled a Team meeting with their technical team.
Interview questions [1]
Question 1
01. Collection?
02. What Collections do you know?
03. What is HashMap?
04. HashMap implementation?
05. What is Synchronization?
06. Tell me how synchronization works?
07. Scenario based question on declaring a candidate as winner in an election? Used List and Comparator to solve it?
08. How you maintain Spring application in multiple environment lik QA, Dev/producton etc
09. Bean Scopes?
10. Difference between Singleton and Prototype Scope?
11. What is DI?
12. What is the responsibility of IOC Container in Spring?
13. What is DispatcherServlet?
14. Inject Address into an Employee class?
15. How do you inject one service to another service?
16. How will you validate empName property which is passed in the body of the request in Employee object?
17. Can you explain how the request coming to your defined function addEmployee() in the above code snippet?
18. What is Router in Angular?
19. What is Form validation?
20. Async validation in Form? Validate whether the entered User name is available or not?
21. How do you write test cases in Angular?
