Jane Street·Software Engineer

Jane Street Software Engineer interview experience

No offer

Hard

Positive

JapanPosted Jan 2026 · Candidate report, summarized by Dataford

After the recruiter call, I got invited to a quick technical screen.

It felt pretty straightforward: the interviewer went over background and then we jumped into the task with minimal small talk. The coding part was done live, and I was expected to explain my reasoning as I went while still getting to a correct implementation.

The problem wasn’t presented like classic LeetCode in the abstract. It was framed clearly with constraints, and I had time to think before coding. During the session, the interviewer and I could both edit the code in Coderpad, which made the conversation feel more collaborative than adversarial. Even when I stumbled a bit, the tone

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