Apple

LeetCode medium to hard. Tested on theory and practical elements. The interview consisted of multiple stages with various people from the department. It was four weeks in total and very challenging. I would advise brushing up on basic concepts.

The interview went well. It included typical technical questions about communications and signal processing, as well as estimation and detection theory. There were about 6 hours of virtual interviews with 5 different people. Additionally, I had a

A couple of phone interviews followed by a technical presentation on a specific topic, then flying to headquarters in Palo Alto. A full day of interviews with multiple teams, HR, project managers, engineers, and scientists.