The process is in shambles. Let me walk you through how they are gonna hire a candidate: (1) HR Round, but will be asked probability and mathematics questions for 30 mins. (2)Online coding, which will have two leet code medium questions, one matching trade engine, and multiple C++ questions that need to be solved in 120 minutes. (3) API design - one hour (4) C++ questions - one hour (5) API Design - one hour (6) Leetcode-type questions (7) Interview with CEO