Quant Trader Intern applicants have rated the interview process at Jane Street with 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 81.8% positive. This is according to Glassdoor user ratings.
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Call with Maths (Probability game) questions: Expected a maths done on the spot, so mental maths was important. Had an online test before, which was similar difficulty in terms of maths
Went through 3 rounds of interview, all of which were focused on math. they started with basic questions and built up to harder ones. Also some behavioral questioins at the start of each round
Applied online and passed the resume screen, got invited to a first round, didn't pass, was my first time interviewing for quant and nerves made me answer not quite at the best of my ability
Interview questions [1]
Question 1
In a game you are given a distribution of marbles, how to figure out the maximum payoff without knowing the colors
I was qualified for the first round of the interview proccess. I was asked about the reasons why i want to become a Quant and why i applied in Jane street for this role. After I was asked two probability questions. The interviewer was ok but at some moments I wasn't sure if she was following my thoughts
Interview questions [1]
Question 1
Mainly I failied since I tried to give them a strict answer to one of the problems(which was impossible to calculate in this time) and the wanted to hear some intuitive approach which leads to approximately correct answer.