Apple

1 hour: LeetCode medium problems, plus in-depth questions about computer hardware architecture and low-level C++ concepts, including: * Graphics pipelines * Stacks * Heaps * Threads * Mutexes * Atomics * Semaphores All that we love.

Pretty hard, if you ask me, but it was pretty straightforward. The questions and the environment around you were calming, which is a thumbs up. It is a dream to work at Apple.

Was referred for this position. Went through 7 rounds of interviews. The questions were not very difficult data structure and algorithm questions. More focus was placed on approach and conceptual knowledge than on providing very difficult algorithm