Phone screen with HR and hiring manager. Then a panel with engineers. Fellow software engineers asked technical questions. A senior engineer asked design-type questions. It was of average difficulty. The panel asked me to whiteboard recent design work I had a heavy hand on.
I can't remember as it was sometime ago. But mostly design type questions. Also questions on OOP.
The following metrics were computed from 62 interview experiences for the AT&T Software Engineer role in United States.
AT&T's interview process for their Software Engineer roles in the United States is fairly selective, failing a large portion of engineers who go through it.
Candidates reported having very good feelings for AT&T's Software Engineer interview process in United States.