Interviewed at Google for Product Manager. Did not move on after two rounds. Five weeks between interviews with little to no communication in between. Interesting people. Dug deep into why I wanted to work for Google, etc. Asked questions about my background, interest in working for them, ideas for improving existing products.
Very self-driven, first of multiple rounds, where I had to take the initiative to arrive at the problem, constraints, approach, solutions, tradeoffs and reasoning behind it in a matter of 30 minutes.
You would have to do a hiring assessment first, then a recruiter screening follows. First round interview with the hiring manager. Majorly product sense and product improvement. The questions were not direct though.
Overall a lot of steps to the interview process. Talked to different people and had opportunities to ask questions. Many different stages which made it a lengthy process overall. Wasn't too bad.