Google

Overall, know your algorithms and theory. Be comfortable coding on a whiteboard.

I applied online, and a recruiter contacted me the next day. After a phone screen, a phone interview was scheduled, which went well. The interviewer asked me to design a system with given criteria. I was able to define the system and write functions

Applied online, waited about 2 weeks, and got a call from the recruiter. We had a general conversation about what I have done. The conversation was easy-going and comfortable; nothing special. I waited for another 2 weeks with no response. That is