FIS Senior Software Engineer interview questions

I went for walkin drive . interview process was smooth 1.coding test(multiple choice) 2. F2f interview 3.hr discussion It was very smooth process and they have given the feedback quickly

1. First Technical round related core java and spring boot,hibernate There were three rounds 2.second Techno managerial third HR Questions: Can you explain how architecture of spring boot and microservices work for ur project How communication happens between microservices or number ways communication happens Suppose 1 operation of microservice is dependant on operation of other microservice then how you will make sure that transaction will be successful across distributed System What is service discovery and why it is important in microservices What are challenges you have seen in distributed environment according to you What is purpose of API gateway in terms of microservices What is Containerisation What is CICD in this(containerisation) How are you managing database or how will you migrate database if there is schema change how u will handle it.