I applied through an employee referral. The process took 4 weeks. I interviewed at Google (San Francisco, CA) in Sep 2013
Interview
It was a great interview experience but I'm in my 40's and everyone there is in their 20's. I was very surprised to not see people in my age group. They will interview for months and months to find the right fit. Don't expect a fast turn around. Many told me they'd been trying years to finally land a job.
Interview questions [1]
Question 1
All typical interview questions, nothing crazy like I had read about online, that was a relief.
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.