Optiver

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.

It took an extensive duration to receive feedback on the application process. The online assessment, in particular, proved to be quite time-consuming. It encompassed not only the conventional HackerRank test but also included a substantial component

First, there was an HR phone screen about background and motivation. Then, a 1-hour online coding round. Finally, the onsite interview, which included two rounds focusing on system design and work experience.