Very slow process (took months after applying in early August), but recruiters were courteous throughout and updated me appropriately.
Two back-to-back phone interviews followed by an additional phone interview (my initial performance was likely borderline).
Standard CS interview questions, nothing unusually difficult. Just be sure to have practiced enough to be able to give a "perfect interview"--solving the problems quickly, optimally, and with clean code/good communication.
The following metrics were computed from 123 interview experiences for the Google Software Engineering role in United States.
Google's interview process for their Software Engineering roles in the United States is very selective, failing most engineers who go through it.
Candidates reported having very good feelings for Google's Software Engineering interview process in United States.