The hiring process at T-Mobile takes an average of 14 days when considering 2 user submitted interviews across all job titles. Candidates applying for Customer Experience Intern had the quickest hiring process (on average 14 days), whereas Customer Experience Intern roles had the slowest hiring process (on average 14 days).
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 (Hyderâbâd) 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.