Questions on conditional probabilies and math problems. Mostly basic probability concepts like conditional expectation, counting and sometimes generalization of basic cases. Practicing for these is very useful, and is the most important.
Interview questions [1]
Question 1
Q: Question about balls of different colors in an urn, or betting strategies when offered different options.
The process was pretty nice I woke up and they gave me food we talked for a couple of rounds some brainteasers, some system design, some technicals, just be strong in your fundamentals.
4 rounds before superday. didnt make it to superday. first round was basic prob and stats questions. r2-4 is all hard game theory style questions. no behavioral at all.
i heard superday is a combination of data analysis and more games
3 online interviews before the final on-site one. The whole process is around a month. Mostly consists of probability questions. Poker chips are given in the final round to bet on certain decisions.
Interview questions [1]
Question 1
Figuring out the strategy of a computer opponent in a turn based game and devising a strategy against them.
Trading Intern applicants have rated the interview process at Jane Street with 3.9 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 81% positive. To compare, the company-average is 63.8% positive. This is according to Glassdoor user ratings.
Candidates applying for Trading Intern roles take an average of 13 days to get hired, when considering 46 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 Trading Intern according to 46 Glassdoor interviews include:
Phone interview: 43%
Skills test: 15%
One on one interview: 13%
IQ intelligence test: 11%
Presentation: 9%
Other: 2%
Personality test: 2%
Drug test: 2%
Group panel interview: 2%
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