It was a standard, cookie-cutter interview with a coding interview, a system design interview, and a culture interview.
The coding part is basically LeetCode. The system design is what you can find on many YouTube videos. The culture one is more tricky, as they want to see that you fit Meta's culture, not that you were doing great at your existing company. Skills like dealing with conflict without calling in managers are sought after.
The following metrics were computed from 2,519 interview experiences for the Meta Software Engineer role.
Meta's interview process for their Software Engineer roles is extremely selective, failing the vast majority of engineers.
Candidates reported having very good feelings for Meta's Software Engineer interview process.