Candidatei-me online. Fui entrevistado pela Jane Street (Londres, Inglaterra) em jan. de 2026
Entrevista
Contrary to what I was told that JS interviewers were friendly and supportive I did not get that feeling. The interviewer did not put on the camera and asked a marbles and buckets question with a followup and ended the interview in 20 minutes. I got a feeling I really messed it up and hence the interview ended so quickly but checking answer using llm and friends it was the precise answer. I think the interview is more of a personality test than probability test.
Perguntas de entrevista [1]
Pergunta 1
Buckets and Marbles EV. Optimal stopping for marbles for marbles.
Fiz uma entrevista na empresa Jane Street (Hong Kong).
Entrevista
Several phone calls to go to the final round. The phone calls consists of mathematical, probabilistic brain teasers which was not that hard for a mathematics major. Final round was to harsh for me, strong mentality is required
Candidatei-me online. O processo levou 4 semanas. Fui entrevistado pela Jane Street (New York, NY) em abr. de 2026
Entrevista
Lots of expectation/probability questions. Make sure to study game-theory type question that involves expectations. Specific concepts in stochastic processes don't seem that important. The first two were relatively easy. Just make sure to ask a question if there is any uncertainty
very fun a lot of interesting problems. The person which was managing the interview process was easily aproachable and really nice to talk to. Also interviewers seemed really interested in the problems given and gave me a lot of chances to talk about them
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