Jane Street·Software Engineer

Jane Street Software Engineer interview experience

No offer

Hard

Positive

United KingdomPosted Jun 2025 · Candidate report, summarized by Dataford

I got through a short, tightly run process: one hour-long virtual technical interview, then an NYC onsite.

There was no behavioral round, just the technical work—during the virtual part I had about 45 minutes on the coding problem with follow-ups, then a smaller Q&A segment.

For the onsite, the format was three rounds with a lunch cutoff after the second round. I remember the day feeling efficient but intense; after lunch the process continued only for people still in consideration. Each part was focused on coding and the interviewers seemed to care a lot about how I reasoned as I wrote and refined code.

On the technical problem, I did something that played to what they seemed to value: I moved

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