HR and Technical with 2 people. It was not that hard but they wanted to accomplish a specific project without paying any money, So they chose to make interns give a try

This stage involves more detailed technical interviews, often conducted by senior team members or technical leads. Candidates may be asked to solve complex problems, write code on a whiteboard, or explain their approach to specific technical challenges.

There was an initial phone call with the recruiter to gauge interest in the role. Final round was a 30 minute video interview with a few senior level analysts. They seemed uninterested and mostly read their required questions. Overall, it was an okay interview process.