Google

I received an email; I had been accepted for on-campus interviews at my school. I had two 45-minute interviews with engineers. The problems were fairly straightforward and dealt with basic string manipulation and path-finding.

Applied online on their website. A recruiter reached out by email and set up a coding interview. Got a follow-up email saying they weren't going to move any further in the interview process.

The process took about two months. I was contacted by a recruiter after an employee referred me. After speaking with me for about an hour about my past work experience, the recruiter decided to fly me out for an onsite interview, bypassing the usual