I applied online. The process took 1 week. I interviewed at Optiver
Interview
The interview process involved ~40 phone call, during which mostly non-technical interview questions were asked. After this I was sent a link to a HackerRank challenge to complete. I had a week to start, and 24 hours to finish, once started, although it was not made clear whether you were supposed/encouraged to take the whole 24 hours. I took ~3 hours, not too difficult, some tricky/vaguely worded questions.
There was a hacker rank interview in the first round. The hacker rank interview took about 2 hours. I think there were about 30 questions. They were low level FPGA questions.
I applied online and got invited for the online assessment. OA was a 60 minutes exams with multiple choise questions and RTL code debuging, and mostly basic digital logic questions. still waiting for the result.
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Application
I applied online. I interviewed at Optiver (Amsterdam) in Jan 2026
Interview
I just did the first assessment and it was about multiple choice questions and a coding question in c and a debug questionin verilog. Most of the multiple choice questions were about logical gates and truth tables