This was a long and very focused process, full of different tests and programming challenges. It wasn't particularly difficult or hard. All the people were kind and respectful of my time, and they answered all the questions I asked.
I would recommend to others that they prepare, but not too much.
I don't have much more to contribute.
Several programming puzzles to test my abilities.
The following metrics were computed from 1 interview experience for the Meta Senior Software Engineer role in Madrid, Spain.
Meta's interview process for their Senior Software Engineer roles in Madrid, Spain is extremely selective, failing the vast majority of engineers.
Candidates reported having very good feelings for Meta's Senior Software Engineer interview process in Madrid, Spain.