I applied online.
The first round with the hiring manager was a pop quiz on Swift, SwiftUI, Object Oriented Design, & Profiling Instruments. Each team at Apple interviews candidates differently, making preparing for them difficult.
The following metrics were computed from 814 interview experiences for the Apple Software Engineer role.
Apple's interview process for their Software Engineer roles is very selective, failing most engineers who go through it.
Candidates reported having very good feelings for Apple's Software Engineer interview process.