It was pretty efficient. They scheduled it very quickly, with screens followed by an in-person interview.
You have Ninjas, Pirates, and Jedis, which are technical, systems design, and personality interviews respectively. Scheduling is good, along with a good hotel, flights, and everything else.
Design the Facebook post privacy functionality. In other words, if I make a Facebook post, and I have three privacy options to choose from (Only Me, Friends Only, Public), design how you would get the visibility for any Facebook user (i.e., can a FB user see the post or not).
The following metrics were computed from 20 interview experiences for the Meta Staff Software Engineer role.
Meta's interview process for their Staff Software Engineer roles is extremely selective, failing the vast majority of engineers.
Candidates reported having very good feelings for Meta's Staff Software Engineer interview process.