I applied online. The process took 3 weeks. I interviewed at T-Mobile (New York, NY) in Apr 2013
Interview
I went on 3 interviews, 1 with 2 store managers (It was very good cop bad cop), another with the manager of store I applied to, and 1 with the district manager.
I applied online. The process took 2 weeks. I interviewed at T-Mobile (The Woodlands, TX) in Jan 2014
Interview
Called by a RAM to set up interview... interview was done by store manager and district manager panel. Offered the job on the spot, (pending background check of course). Overall the interview went well. Straightforward management and expectations. I would recommend tmobile to family and friends. I enjoy the work and the industry.
I applied in-person. The process took 1+ week. I interviewed at T-Mobile (Dallas, TX) in Dec 2012
Interview
Lots of scenario and what if questions about customer interactions. They want to see how ambitious you are for sales. Also personality is key. May be done as a 1 on 1 or group interview.