Jane Street·Quantitative Trader

Jane Street Quantitative Trader interview experience

No offer

Hard

Neutral

London, EnglandPosted Nov 2025 · Candidate report, summarized by Dataford

I only had one interview that went very poorly for me, and it was my first interview ever.

I was given two expected value problems, and I got stuck on the first one because I couldn’t even fully understand what the question was asking.

The difficulty felt extremely high in the moment, and because it was my first time, I didn’t have the confidence or momentum to recover. By the end, I felt like I did horrible and I wasn’t sure whether this type of work was even for me.

I didn’t end up getting an offer. The reflection I took away immediately was how unforgiving EV-style problems were when you lose clarity early, and how much the first real experience can shape your confidence going

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Jane Street Quantitative Trader interview experience (2025) | Dataford