I applied through a recruiter. The process took 3 weeks. I interviewed at Bellomy Research (Winston-Salem, NC) in July 2020
Interview
The interviews took place over about a three week period and were progressively more challenging. In all, I had three interviews with each lasting an hour. It was very technical and very specific. I would highly recommend studying and preparing for the interview. There were no 'gotcha' questions, but it was challenging.
Interview questions [1]
Question 1
Promised I wouldn't divulge, but they were very challenging and specific. They exclusively focused on technical stuff.