Optiver

First, I do two tests. One is about logic, and the other is a programming ability test with two problems. Next is an HR phone interview. The HR representative said the next interview will be about self-introduction, interests, motivation, etc.

A HR interview follows: First round is an OA with two simple-level questions. Second round is a pair coding session. Ideally, the third round is a technical interview with the team lead, and then the fourth round is with the CTO.

I applied online. The process took 2 weeks. OA, HR behavior phone interview, and Tech Screen. But they only go for one role at the same time, and cancel the HR phone call at the last minute. OA has both multiple choice knowledge questions and coding