I went through a standard screening call, and then the technical assessment. The technical assessment was of a much higher difficulty than the prep guide. It was not so much the difficulty of the question from a technical perspective, but understanding what the question was actually asking for. An example would be a problem like a bookstore checkout system, but the explanation of it was sort of vague, and the interviewer didn't really help me clear it up.
Design a bookstore checkout system.
The following metrics were computed from 428 interview experiences for the Meta Data Engineer role.
Meta's interview process for their Data Engineer roles is extremely selective, failing the vast majority of engineers.
Candidates reported having very good feelings for Meta's Data Engineer interview process.