Google

Applied online via their career site. Had a positive experience with friendly interviewers. The process started with an initial call and phone screen.

Applied early in my career and was reached out to schedule a phone screen technical review, but did not get moved forward. The interviewer barely talked to me or gave any hints/feedback, even when I asked. There wasn't even an introduction; they just

OA, on call, and then technical. Revise all 4 years of uni, and you'd be set. Just kidding, just practice algorithms as much as you can. Learn how to analyze a problem quickly.