The first phase is an online assessment composed of 4 parts:
1) Coding exercise: 2 questions, in python
2) 9 short neuro-assessment games
3) Number logic: complete sequences of numbers
4) 15 questions of probability, each one to be answered in not more than 90 seconds
Positive experience
Average interview
Application
I applied online. The process took 2 weeks. I interviewed at Optiver (Amsterdam) in Feb 2024
Interview
First I had to do two online assigments on hackerrank, then I had an HR interview and then a technical interview in which I failed. After that there is another technical interview at their headquarters.
Interview questions [1]
Question 1
Expected number of coin tosses in order to get 2 heads in a row.