I applied through an employee referral. The process took 2 months. I interviewed at Meta
Interview
Referred by an employee, then get first HR call for 30 minutes. Asked about the background and simple algorithm questions. Then arranged a phone screen interview mainly on SQL and algorithm.
I applied online. I interviewed at Meta (New York, NY)
Interview
Prepare technical concepts, and practice previously asked questions as much as you can find online. 4 rounds in the total process. It's easy as long as you just practice a LOT.
I had Python and SQL round for 30 minutes each. The interview was for 1 hour 30 minutes for SQL and 30 mins for python coding.
Completed 5 questions each but still got rejection email the next day.