BluePi Technical Lead interview questions

Went through 3 rounds of interview. First round was with the CEO , they called it GCA round. Was asked to build a HLD for a given e commerce site analytics module. Second round was with the director of company, questions asked were related to microservice concepts and distributed systems. Third round was with the product head, it was more about understanding role, work, culture and project domains. HR team was very helpful, throughout the process, got the offer on same day after the 3rd round.