Jane Street INSPIRE applicants have rated the interview process at Jane Street with 3 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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I applied online. I interviewed at Jane Street in Oct 2020
Interview
No in-person interview, written-up solution to given problem to be done over the course of 1-2 weeks. Unclear if all applicants were contacted, but the problem was sent ~3-5 weeks after the deadline.
Interview questions [1]
Question 1
Modified weighted Blotto problem with condition that any three consecutive "won" towers also won the rest of the towers.