There was one coding challenge and two phone interviews. The problems were not exceptionally difficult, and followup after interviews were very prompt. Whole process took about a month, perhaps a bit more if you have more space between interviews.
LC Medium: Word Break problem.
The following metrics were computed from 119 interview experiences for the Meta Software Engineering role in United States.
Meta's interview process for their Software Engineering roles in the United States is very selective, failing most engineers who go through it.
Candidates reported having very good feelings for Meta's Software Engineering interview process in United States.