Easy with description of existing process. case study was difficult; however, we could be done with a bit of practice. Salary negotiations are important. AI related stuff asked, be comfortable with that.

People from human resources are friendly and approachable. A presentation on what the company does is given. There is a group interview, then a solo interview. They provided free lunch and snacks for everyone.

Went through two interviews, successfully passed, and right before the third interview was told that I cant move forward because they filled the postion internally. So what was the point?!?! - I have no idea