Fullstack Developer applicants have rated the interview process at T-Mobile with 3 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 100% positive. To compare, the company-average is 67.8% positive. This is according to Glassdoor user ratings.
Here are the most commonly searched roles for interview reports -
Pre screen call with HR, then technical task that is reviewed by one of the team members, then they provide feedback and last round call is with team lead and team members