Google

It gave me two phone call interviews. Then they decided to give me an additional phone call because I finished the coding almost at the allotted time. For the third interview, I solved it but did not do very well.

They sat me down for a few rounds. The interviewer didn't like me off the rip because of the college that I attended (it was a rival of the college he went to). The interview was awkward from the beginning.

Coding problems, then system design questions. Walk through your solution. Clarify with the interviewer. System design questions: How would you build a hypothetical architecture? Discuss the pros and cons of your chosen solution.