I applied online. The process took 1 week. I interviewed at Optiver (Chicago, IL) in Nov 2023
Interview
Very long ( 2 hour ) Online assessment, 80 Mental maths , some logic puzzles , probabilities, and personality test. First round interview is about betting 4 horses with 3 positions.
behavioral; just a resume review and what you would do in certain situations. What is your greatest strength? Greatest weekness? Told me my background was strong but there would be more rounds after this.