Two rounds, conducted over the phone.
The first round was with the prospective team (four on the conference call) and lasted about an hour. It was varied and detailed. They really wanted to know my experience regarding very specific technologies, most notably:
Unit testing and software design patterns were also a topic.
I was asked to explain the "box model". I had not heard the term before, but once they led me down the path of HTML layout and CSS, I was able to explain it.
The following metrics were computed from 1 interview experience for the Dell Senior Software Developer role in Austin, Texas.
Dell's interview process for their Senior Software Developer roles in Austin, Texas is incredibly easy as the vast majority of engineers get an offer after going through it.
Candidates reported having very good feelings for Dell's Senior Software Developer interview process in Austin, Texas.