I went straight to the onsite interviews because I had a referral. There were four standard technical interviews with reasonably friendly engineers. Halfway through I had lunch with an engineer who barely said anything. Before the onsite they gave me their list of specific topics to study, but those didn't end up being especially relevant to the actual interviews. It took about 3 weeks to hear back after the interviews.
NDA.
The following metrics were computed from 3,728 interview experiences for the Google Software Engineer role in United States.
Google's interview process for their Software Engineer roles in the United States is extremely selective, failing the vast majority of engineers.
Candidates reported having very good feelings for Google's Software Engineer interview process in United States.