I have been working at Group One Trading full-time
Despite some of the reviews here from 2010, Group One is still alive and doing well.
Bonuses depend greatly on market conditions, and that's out of everyone's control.
I applied through an employee referral. The process took 3 days. I interviewed at Group One Trading (Chicago, IL) in November 2017.
The HR manager was very friendly and opened up the interview with cordial conversation. Not a lot of brainteasers, mostly technical and behavioral "fit" questions. This might be due to the fact I am part of my university's trading program that lets me communicate directly with the company staff.
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