Google

They give you some coding challenges, and after that, they put you through a couple of rounds of behavioral interviews before a technical one. It requires quite a bit more knowledge than what college classes serve, so come prepared.

Cool, but not so easy. You need to be very objective in your answers, also very secure. If you're going on an interview, this is because they're interested in your work.

Interviews were 45 minutes long with an engineer. Sometimes, engineers had different accents that confused me a little, as English is not my native language. Questions had a context, and then you had to choose what data structure to use.