The process starts with a recruiter who asks basic technical, objective questions. They are only looking for certain keywords.
They ask 5-10 questions, and then a few "bonus" questions. If that goes well, there is a fairly technical follow-up phone interview.
Once you clear that, you're called onsite for 4-5 hours of interviews: 4-5 interviews of an hour or less.
I was asked an interesting question: You have a sheaf of papers numbered sequentially, and one paper flies off. You are asked to determine, with the best space/time complexity, the page number of the paper that disappeared.
The following metrics were computed from 344 interview experiences for the Google Software Engineer role in New York, New York.
Google's interview process for their Software Engineer roles in New York, New York is extremely selective, failing the vast majority of engineers.
Candidates reported having very good feelings for Google's Software Engineer interview process in New York, New York.