I applied online. The process took 1 day. I interviewed at Five Rings (New York, NY) in Sep 2025
Interview
Got CV screened. Did the OA. Extremely hard, hosted on hacker rank. Questions are about estimation. Questions must be submitted manually, very poor test design. One minute per question. ~20 in total
multiple rounds with probability, statistics, expected value, estimations. lots of quick thinking and some market making principles involved. brush up on main topics in those fields and make sure youre at full condition
Interview questions [1]
Question 1
finding covariance and various statistical indicators from a sports league with a fixed win probability between teams
I applied online. The process took 3 months. I interviewed at Five Rings in Oct 2024
Interview
HR is all over the place and relatively unfriendly. Interviewers varied in demeanor but one of my interviewers forgot to say hi before jumping into the interview. Questions were an okay level of difficulty and interviewers gave hints easily.
Interview questions [1]
Question 1
card games, probability, analyzing outcomes of games
