American Express

First round: Codility test, three questions, mostly in arrays and trees. Second round: A telephonic interview, general discussion on topics mentioned in the JD. Third round: Again, data structures and general programming. Fourth round: System desi

It was a video call. The interview concentrated on basics in Java, Spring, AngularJS, webservices, and JavaScript. Concepts covered included serialization, list vs. set vs. map, threads, bean scopes, endpoints (WS), and frameworks used to implement S

There were two rounds: a coding task and an architectural interview. The coding task included questions about collections, Java API, complexity, and general coding approach. The architectural interview focused on system design, best practices, and s