Jane Street Software Engineer interview experience

After I turned that in, I moved into a brain-teaser style problem-solving interview over Zoom where the questions skewed toward creative math, logic, and probability. What stood out was that the interviewer would keep the flow going between short, tricky prompts, and I had to stay crisp because the problems felt designed to test reasoning more than rote familiarity.

After that, I did a programming round where they asked me to write code in whatever language I wanted. The emphasis was on algorithms and data structures, and I was expected to get to a clean, working solution rather than just