Apple

5-6 technical rounds. With a screening. All rounds would include coding and design-based questions. Along with those, expect questions on the basics of RTOS, computer architecture, and C, as well as embedded core kernel-based questions.

One phone interview with the hiring manager. They asked some questions and an atoi coding problem. Then an onsite interview with several developers. Each developer had 3 to 5 questions and a coding problem. Then a video interview with several devel

So you walk in, they say a few things, and it's finished. You wonder if they'll hire you, then they send you an email. So yeah, I'm probably not very smart.