First stage for me was a quick and straightforward phone screen with HR. Then after that it was a technical interview going over the OA. Also there was a debugging part.
I applied online. The process took 3 weeks. I interviewed at AT&T in Nov 2021
Interview
Interviewing was ok, but the job description is not explained well. So be careful and make sure to ask the right questions. Ask about it the pay and benefits. That is very important