I applied through college or university. I interviewed at DRW (Chicago, IL) in Oct 2020
Interview
Phone screen first round, easy brain teasers, then super day with 8 rounds of interview plus previous day coding challenge. 4 interview in the morning, if you passed, you get invited for more interviews in the afternoon
I applied online. I interviewed at DRW in Apr 2023
Interview
Online test with 6 math questions one linear algebra, one statistics, three probability theory (one Bayesian, one alternating sequence and one combinatorial) and one geometry question which was about d-dimensional spheres. After taking the test, they did not move on with me.
Interview questions [1]
Question 1
Calculate the coefficient for a linear regression problem.