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 first had a phone interview, they asked simple questions about programming and my background. Then I had zoon interview where they asked more technical questions. They asked me to explain one of the project I have worked on, the design I used and technologies.
Interview questions [1]
Question 1
Explain the 4 principles of OOP and why we use them.
Write a program to find the shortest path in a graph.
I applied through a staffing agency. The process took 1 week. I interviewed at T-Mobile (Hyderābād) in Oct 2025
Interview
1 st round with basic python, sql coding questions and multiple scenario based question on cloud, etl, warehouse
2nd round : techno managerial
Lot of scenario based questions on data engineer
focused on data quality based questions
The team asked standard questions, were friendly, and had me join a few rounds over the course of a few weeks with HR, individuals, and the greater team. Overall pretty standard.