I applied through a recruiter. The process took 5 days. I interviewed at T-Mobile (San Francisco, CA) in Mar 2012
Interview
It was over the phone. The background check was intensive. There was a 90 day probation before being hired as an employee. It wasn't easy to answer the questions without actually seeing the person and gauging their reaction to my questions.
Interview questions [1]
Question 1
Standard, what are your weaknesses, what are your strengths, etc