Apple

40 minutes tops. Very little in-depth discussion of the actual job to be done. The interviewers were there as a group to interview a number of candidates to take on as a small group.

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.

Very friendly interview, with questions about background and recent projects. There were no technical questions at all; he made the process very smooth. My experience was not suitable for what they were looking for, so I didn't go through to the sec