I applied through a recruiter. The process took 2 months.

All steps were very clearly defined. What to expect at each stage was explained in detail by the recruiter. Also, they really try to share all the needed info that can help to prepare. To me, the interview process took 2 months, mostly because during it there were Christmas holidays.

One of the coding tasks was about parsing and real-time statistics calculation for time-series events.

System Design: Design a board game (distributed) - important is to consider trade-offs which can drive various solutions.

Deep dive into past experience project (with impact on the team/organization)