Bloomberg Software Engineer interview experience

It started with a discussion of my resume and a recent project, then quickly moved into practical questions about design choices—how I’d think about data storage, what happens as QPS increases, and what production issues I’d dealt with.

The coding part began with a class-based challenge for request logs. I had to implement methods to add logs and retrieve active users within the last five minutes. I talked through using a queue for event ordering and a hashmap for user counts, and we got into edge cases like non-increasing timestamps and handling large amounts of data. I also explained lazy