There were 4 rounds, 1st was hackerrank test, in which 2 were medium coding and another designing LLD for orderbook. 3 round coding and technical question related to previous work.

4 rounds, 1 hacker rank test, then 2 round one-one, and last with CTO. Hacker rank had 3 coding questions. One-one had mix of coding, system design and discussion on hacker rank test.