I applied online. The process took 1 week. I interviewed at Wolfspeed in Sept 2019
Interview
(1) Phone screen where the hiring manager asked me what seemed to be a standard list of questions.
(2) Skype interview with a panel of technical staff on a topic of my past technical work.
(3) In-person interview.
Interview questions [1]
Question 1
I was repeatedly asked about my PhD and postdoc work, as well as the associated individual technical contributions.