I applied online. The process took 1+ week. I interviewed at Cognizant (Hyderābād) in June 2021
Interview
Applied through Naukri and very easy Interview.
I have 3 years of experience in Java and 1-year of experience on Springboot with microservices. It's a 2 days process and received an offer letter in 9 days.
Interview questions [1]
Question 1
1. HashMap, hashtable differ
2. Exceptions and types of exceptions
3. Internal working of hashmap and HashSet
4. collection used to remove/doesn't allow duplicates
5. What is a concurrent hashmap
6. Db query to write an inner join
7. Stream, lambda expressions query
8. What is an interface
9. What is a lambda expression
10. What is the stored procedure
11. Can we have catch() without try
12. can we have try without catch
13. Some db, stream API questions are also asked
14. Some aptitude questions
I applied online. The process took 3 weeks. I interviewed at Cognizant (Guadalajara, Jalisco) in Oct 2025
Interview
I did 3 rounds of interview, each of them technical, I managed to get to the client, the client were the only one who noticed that I wasn't a support engineer (I didn't apply to that position either, apparently somebody switched me in the middle of the process)
I applied online. I interviewed at Cognizant (Bengaluru) in Oct 2025
Interview
The interview process included an initial HR screening followed by a technical assessment to test my Java skills. After that, I had one or two rounds of technical interviews focusing on coding, problem-solving, and frameworks like Spring Boot. Finally, there was a managerial round to discuss project experience and team collaboration.
Interview questions [1]
Question 1
They asked me to explain the difference between an abstract class and an interface in Java.
I applied in-person. I interviewed at Cognizant (Cluj-Napoca)
Interview
Basic knowledge assesment of java 1.8+
Spring aop, di, mvc, transactions
, resilience (circuit breakers),
Rest APIs
Badic sql
Basic knowledge of docker/kubernetes
Solid, acid, cap
The interviewers are not that consistent, there is a good degree on personal biases based, not all the areas are covered.
Interview questions [1]
Question 1
Explaining basic principles of what is described above.