Apple

5 rounds of interviews with topics ranging from: * Computer Architecture - focusing on pipelines and optimization techniques * Algorithms - with questions on sorting and trees * Wireless protocols - focusing on 5G NR layers * Embedded progra

Phone screen with recruiter, then hiring manager. Ten days to complete and submit a design challenge, followed by an onsite presentation and one day of multiple interviews. The interview was very challenging. There were a lot of technical questions

I applied online. The process took 2 months. * 2 initial 1-to-1 technical screens: first structural, second FEA. * Then self presentation (to 20+ people) followed by design challenge: essentially how to build an FEA model of an iPhone-like structure