Google

Round 1: A recruiter calls you. They will ask a few simple questions, such as "What's faster, Quicksort or Bubblesort?" If you answer enough of these correctly, you proceed to the next round. If you fail here, stop moaning, go away, and improve yours

One phone interview, lasting about 45 minutes. My recruiting contact sent preparatory materials and explained the process beforehand. The interviewer opened by asking about a project on my resume; the rest of the time was spent on a couple of technic

The process was very quick, as I already had another competing offer from Microsoft. The interview was scheduled as soon as I sent my resume through an employee referral, and I received the offer letter very fast.