I applied online. The process took 4 weeks. I interviewed at Optiver (Amsterdam) in Apr 2022
Interview
Online assessment which was a SHL Interactive Verify G+ test with 26 questions.
Zoom interview with recruiter.
Technical interview.
Take home programming assignment.
Pass threshold for the online assessment is quite high. You need to be in the 98th percentile which I believe corresponds to maximum of 1/2 mistakes.
Interview questions [1]
Question 1
Online assessment consists of numerical, inductive, and deductive questions.
I applied through university. I interviewed at Optiver (Amsterdam)
Interview
80 in 8 80 math arithmetic questions (mcq) in 8 minutes, fairly simpler than what you find online.
9 Neuro games Games involving memory, decision-making, speed, etc. Some people preferred having a mouse there for speed. Couldn't find any resources for practice (other than mobile games ofc)
Online interviews before day 1 Again market making this time 1 on 1 with a trader, along with puzzles. You need to be quick on you estimates, and provide a fair enough reasoning for your answers.
HR round General chit chat. Preparing basic HR questions beforehand helped me.
Interview questions [1]
Question 1
GD market making game, read the hand-out and get familiar with the terms they use. Playing some sample games and coming up with a strategy is recommended. There was also a strategy building game, where people were divided into break out rooms, and had to discuss their game strategy. Participation matters.