2 technical phone screen where they checked background and asked technical questions. Not easy interview as it's hard to impress and convince those guys. Be thorough with fundamentals and they are only looking for some one with research background. I had masters but I guess they require more.
I applied through an employee referral. The process took 4 weeks. I interviewed at Google (Tampa, FL) in Oct 2020
Interview
Applied by referral. Get contacted by a recruiter after 1 month.
1 Phone screen.
1 virtual onsite day(5 rounds in total, 4 techs, and 1 Behavior questions)
After 2 weeks, get informed that I did ont pass.
1. apply online, 2. a prescreening step by filling out a form, 3. then a tech phone interview, 4. then 5 rounds of onsite interviews (4 tech interviews + 1 behavior interview)