quant trader internship applicants have rated the interview process at Jane Street with 4 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 100% positive. To compare, the company-average is 63.8% positive. This is according to Glassdoor user ratings.
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Interviewers were very nice but I only made it to round 2 because it was my first time interviewing and so I confused myself a bit and did not manage to answer some somewhat straighforward questions sufficiently well.
Interview questions [1]
Question 1
Essentially questions on probability/expected values
technical calls, probability based. think dice and coin flips and tennis matches etc. brush up on the probability theorems. just writing to fill the word quota now. ahh why do we need to do 30 words
phone interview, pretty hard interview question about coin flip, need to think a lot of scenarios. I met a lot of JS people and they are quite nice, but my interviewer is quite rude and rush.
The interview process goes very smooth. It was a phone interview and you need to listen to the questions carefully and ask questions if something is not clear. The interviewer is nice and patient.
Interview questions [1]
Question 1
Probability problems, increasing difficulties. Pay attention to the details of the problems, and think out loud. In the process you can ask questions for clarifications and hints.