Didn't get past online assessment stage. It was on expected value, dice problems, combinatorics, etc. Also focused on strategy and was a bit hard to show working on an online test.
Interview questions [1]
Question 1
Suppose we play a game with a die where we roll and sum our rolls. We can stop any time, and the
sum is our score. However, if our sum is ever a multiple of 10, our score is zero, and our game is over.
What strategy will yield the greatest expected score? What about the same game played with values
other than 10?
They tend to examine the logical thinkers that can communicate clearly and concisely, and some problem-solving exercises intended to explore how you gather and apply new information, very different from other tech companies' interviews.
Initial application and online assessment. Had a first round behavioral interview where they asked me about myself, my experiences, and a couple of brain teasers. The interviewer was very nice.
Phone interviews (at least 3) - questions were of mixed difficulty (some pretty hard) but the interviewers were friendly and they gave helpful hints. Kind of fun - review probability and game-type questions.
Intern applicants have rated the interview process at Jane Street with 3.7 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 64% positive. To compare, the company-average is 63.8% positive. This is according to Glassdoor user ratings.
Candidates applying for Intern roles take an average of 15 days to get hired, when considering 96 user submitted interviews for this role. To compare, the hiring process at Jane Street overall takes an average of 17 days.
Common stages of the interview process at Jane Street as a Intern according to 96 Glassdoor interviews include:
Phone interview: 52%
Skills test: 18%
One on one interview: 17%
IQ intelligence test: 5%
Personality test: 2%
Presentation: 2%
Group panel interview: 2%
Other: 1%
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