Google

Pretty straightforward, with some difficult questions. You need to prepare extensively in order to get the role. I would make sure you study hard for these kinds of positions, as they take candidates seriously.

Two phone interviews. Followed by an "in-person" barrage. There was an interviewer who was off by two hours on the second call due to timezone confusion on the part of the recruiter, despite me specifying the timezone of the event and sending a cal

It's pretty easy. Just do a lot of LeetCode and prepare using behavioral questions. Use Reddit; there are a lot of no-lifers on there that have lots of tips. Look at GitHub repos.