Confluent Software Engineer interview experience

One of the questions involved regex pattern matching. Then the interview moved into Java concurrency, focused on a threads-related problem.

After that, I got hit with a matrix path finding task with weights in the cells, which required careful handling of how the path cost accumulated. The engineering interviewer(s) stayed friendly, and the vibe stayed collaborative rather than combative.

There was also a round centered on threads and semaphores, including the expectation that I could implement the Least Recently Used cache using appropriate data structures. By the time I finished, I felt