Glassdoor users rated their interview experience at T-Mobile as 50% positive with a difficulty rating score of 3 out of 5 (where 5 is the highest level of difficulty). Candidates interviewing for Assistente Administrativo and Treinee rated their interviews as the hardest, whereas interviews for Assistente Administrativo and Treinee roles were rated as the easiest.
I attended for a contract role and the interview is Mostly from the resume on project related questions and On API's security and some easy to medium programming (White Boarding)
Interview questions [1]
Question 1
How do you secure API's
what libraries did you use for JWT/OAuth
I applied online. The process took 2 weeks. I interviewed at T-Mobile in Jul 2025
Interview
3 rounds
1st round with 2 Sr managers- mostly behavioral questions.
2nd round was a case study for 45mins to an hour
3rd round was a sql assessment on a word doc.
I applied online. The process took 2 weeks. I interviewed at T-Mobile (Martinsburg, WV) in Feb 2021
Interview
It was pretty straight forward. I applied online and got a call back about two weeks after applying. The interview was simple and very sales based. The manager and assistant manager who interviewed me were very professional and I was given the job an hour after leaving!
Interview questions [1]
Question 1
What qualities about yourself can you bring the work place