Citadel Software Engineer interview experience

At the start, they did some basic behavioral questions, but then they shifted into the technical portion and I ended up spending most of the time thinking through how to handle a stream of strings—mapping things like order IDs to orders—and then matching them based on criteria.

I remember how important it was to keep talking. I tried to stay explicit about my thought process the whole way through, because the problem itself was the kind of thing that could go wrong if I stayed too vague. One interviewer also gave me an intentionally underspecified setup, which made it clear they weren’t just