T-Mobile employees working as Software Development Engineer In Test (SDET) in US have attributed a compensation and benefits rating of 4.9 out of 5 stars, based on 6 ratings. This is 9% higher than the average of Software Development Engineer In Test (SDET) professionals at T-Mobile worldwide.
The estimated average salary for a Software Development Engineer In Test (SDET) at T-Mobile is $148,945 per year or $72 per hour, but some professionals have reported earning up to roughly $212,881 per year (90th percentile). The typical pay range is between $124,952 (25th percentile) and $180,119 (75th percentile) annually. This is based on 21 salaries submitted by T-Mobile Software Development Engineer In Test (SDET) professionals on Glassdoor, as of Jul 2026.
Software Development Engineer In Test (SDET) professionals typically earn between $60 and $87 per hour.
Software Development Engineer In Test (SDET) professionals typically earn between $10,413 and $15,010 monthly.