I applied through an employee referral. The process took 4 weeks. I interviewed at Google in Mar 2015
Interview
There are three phone interviews back-to-back. Each last for about 45 min. The HR is very nice, send me PPT file for preparation as well as several reminders. Receive reject email one week after interviewing.
Interview questions [1]
Question 1
Find the deepest node in a binary tree; Build a tree out of given edges; etc