Jane Street·Quantitative Trader

Jane Street Quantitative Trader interview experience

No offer

Hard

Positive

Hong KongPosted Jul 2025 · Candidate report, summarized by Dataford

My process started with a Zoom-style technical interview broken into three rounds.

The rounds were all problem-solving focused, mostly probability and game theory, and the format pushed me to work directly with another interviewer/teammate rather than just staring at a prompt. I could get hints if I truly got stuck, but I still had to do the heavy lifting to keep the solution moving.

The questions were conversational in the sense that I was solving on the spot while talking through my reasoning. In one earlier round, we started with a brief check on my background and then immediately moved into technical questions—one involving prime factorization and another tied to the

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