T-Mobile employees working as Senior 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 Senior Software Development Engineer In Test (SDET) professionals at T-Mobile worldwide.
The estimated average salary for a Senior Software Development Engineer In Test (SDET) at T-Mobile is $172,801 per year or $83 per hour, but some professionals have reported earning up to roughly $245,011 per year (90th percentile). The typical pay range is between $145,634 (25th percentile) and $208,059 (75th percentile) annually. This is based on 21 salaries submitted by T-Mobile Senior Software Development Engineer In Test (SDET) professionals on Glassdoor, as of Jul 2026.
Senior Software Development Engineer In Test (SDET) professionals typically earn between $70 and $100 per hour.
Senior Software Development Engineer In Test (SDET) professionals typically earn between $12,136 and $17,338 monthly.