Overall process was smooth. HR was very responsive. However took a long time to release the offer Round 1: Mostly SQL and Python Question + 1 Puzzle Round 2: Business Case study + SQL Round 3: HR questions by a director

F2F interview at office. Took 4 rounds. 3 rounds were technical and based on machine learning models, and metrics. 3rd round was in depth ML and some python questions. Last round was with founder and no proper rejection reason was given. They mostly explore candidates and reject with no proper reason after taking all the rounds.