I had a phone screen, two separate onsite interviews (one with 5 people and another with 2), then two or three more committee meetings.
The frustrating thing is, the process from application to offer took six months.
Yes, that's six (6) months. Granted, a month of that was my own scheduling conflicts, but still, I felt like they were dragging their feet, even though I had a competing offer. The phone screen interviewer even forgot to enter feedback. It was utterly frustrating.
NDA, but none of the questions were predictable.
I believe Google strongly encourages interviewers to ask new questions, so your best bet is to focus on fundamentals, not any particular types of problems or techniques.
The following metrics were computed from 748 interview experiences for the Google Software Engineer role in Mountain View, California.
Google's interview process for their Software Engineer roles in Mountain View, California is very selective, failing most engineers who go through it.
Candidates reported having very good feelings for Google's Software Engineer interview process in Mountain View, California.