The all-day interview involved meeting with most of the team, likely across 6 or 7 rounds. I finally spoke with the director at the end.
It was an exhausting process due to the sheer number of rounds. Many of the questions were also repeated by the different groups.
All technical questions related to the different OS's.
The following metrics were computed from 17 interview experiences for the Apple Engineer role in Cupertino, California.
Apple's interview process for their Engineer roles in Cupertino, California is very selective, failing most engineers who go through it.
Candidates reported having very good feelings for Apple's Engineer interview process in Cupertino, California.