I applied through an employee referral. The process took 1 week. I interviewed at Meta in Jan 2014
Interview
Phone interview and then on site. In the phone interview, they ask me to solve the 3 sum problem (check leetcode) and the bucket anagram problem. In the on site interview, 3 interviewers ask me three algorithm problems and also the behavior problems. Then there's a brief tour to the campus.
Interview questions [1]
Question 1
On site interview, they ask me regular expression match (check leetcode) and search for range (like, 1,2 3, 7,7,7, 9, 9, return how many 7's in the array) and also knowledge about the garbage collection, linked list, reverse linked list.