Very little small talk. Mostly questions on probability. Standard quant interview problems. Focus on technical, quantitative analysis of fairly straightforward problems. Will give you hints during problems if you need.
Interview questions [1]
Question 1
Calculations of expected values and number of times something had to be done to get desired outcome in probabilistic setup.
I applied online. The process took 4 weeks. I interviewed at Jane Street (Chicago, IL) in Dec 2020
Interview
I had three round of phone interview. The first two are pretty common and the interviews went great. However, the third one is very awful. The employee was making some food and eating during the whole process. Very unprofessional.
Interview questions [1]
Question 1
A very complicated one. Something about a black box having some amount of money and in the other room people are biding the box.
Probabilities of raining during the weekend. Computing lower and upper bounds on the probability of union of two events. Calculating correlation of two events by considering indicators. Give interpretation using intuition.
Interview questions [1]
Question 1
What is the probability that it rains in the weekend?
Quant Researcher 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 50% positive. To compare, the company-average is 63.8% positive. This is according to Glassdoor user ratings.
Candidates applying for Quant Researcher roles take an average of 12 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 Researcher according to 10 Glassdoor interviews include:
Phone interview: 71%
Skills test: 14%
Presentation: 14%
Here are the most commonly searched roles for interview reports -