There were total 3 rounds, 1st round is a frontend round where they asked about the react and JavaScript concept and one easy dsa problem. Then 2nd round is a backend and asked to solve 2 dsa problem using streams and some core Java concept like inheritance, interface etc . Then last was a 3rd round and the panel asked springboot and microservices along with java and one dsa problem using streams 8. Questions from the topics were like Multithreading, exception handle classes, static keyword, collections, some annotations, MVC architecture, api gateway, rate limiter etc.