Jane Street·Software Engineer

Jane Street Software Engineer interview experience

No offer

Hard

Positive

SingaporePosted Oct 2025 · Candidate report, summarized by Dataford

I went through a recruiter touchpoint, then I had a phone interview, and after that I was invited to an on-site superday.

The on-site was described as a day-long set of technical interviews: two in the morning and, if I passed those, a final interview in the afternoon. Once I started the day, it felt like they jumped straight into technical problems right away rather than warming up with lots of small talk.

Across the rounds, the problems were practical coding rather than a LeetCode-style list. I had to solve an algorithmic implementation problem, and they followed up with additional questions depending on the time left. I also ran into cases involving algorithm explanation during the coding work, and there

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