3 online rounds, all technical questions with fairly brief introductions. On-site round was scheduled soon after. Very nice office, interview was multiple rounds with mostly technical and math questions. Good to review probability, Markov chain, and statistics.
I applied online. The process took 1 week. I interviewed at Jane Street (London, England) in Sep 2024
Interview
Three interviews then rejection. They were focused on some pretty tricky probability games that require some thinking to get a good strategy. Make sure you brush up on your probability and combinatorics
Interview questions [1]
Question 1
Probability of winning a dice game of a certain length
I was asked to answer some probability questions. Green book style questions. 30 mins. 5 Questions. Got harder as questions went on. Did not get any further in application process.
Quant Intern applicants have rated the interview process at Jane Street with 3.4 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 60% positive. To compare, the company-average is 63.8% positive. This is according to Glassdoor user ratings.
Candidates applying for Quant Intern roles take an average of 22 days to get hired, when considering 10 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 Quant Intern according to 10 Glassdoor interviews include:
Skills test: 40%
Phone interview: 40%
One on one interview: 20%
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