Two technical questions, 20 minutes each, 5 minutes for personal questions.
The technical questions were about algorithms and data structures. It should be fine as long as you practice a lot before the interview.
Questions about BST and a simple algorithm question
The following metrics were computed from 1 interview experience for the Meta SWE role in Mexico.
Meta's interview process for their SWE roles in Mexico is extremely selective, failing the vast majority of engineers.
Candidates reported having mixed feelings for Meta's SWE interview process in Mexico.