I applied online. I interviewed at Optiver (Amsterdam) in Jan 2021
Interview
I got a link to solve some programming exercises and you had to pass all the tests. Even though I passed them, I did not receive any offer. They told me I do not have enough experience.
Other Software Developer Internship Interview Reviews for Optiver
The interviews consisted of an OA, then behavioural, then technical and thena final round consisting of another technical, system design and behavioural. These last interviews all an hour each. I only got up to the first technical.
OA; quite long, 3 tests
Behavioral interview: just a short talk with HR, motivation,…
Technical Interview 1: fundamental CS, nothing more
Technical Interview 2: system design, very vague but just go with the flow
Technical Interview 3: live coding, still leetcode but optiver style is a very descriptive problem, but the main thing could be boiled down into only few lines