T-Mobile employees working as Principal Engineer - Software in US have attributed a compensation and benefits rating of 3.2 out of 5 stars, based on 12 ratings. This is 6% lower than the average of Principal Engineer - Software professionals at T-Mobile worldwide.
The salary trajectory of a Principal Engineer - Software ranges between locations and employers. The salary starts at $153,573 per year (estimate) and goes up to $476,959 per year (estimate) for the highest level of seniority.
The estimated average salary for a Principal Engineer - Software at T-Mobile is $253,774 per year or $122 per hour, but some professionals have reported earning up to roughly $402,263 per year (90th percentile). The typical pay range is between $201,572 (25th percentile) and $324,955 (75th percentile) annually. This is based on 28 salaries submitted by T-Mobile Principal Engineer - Software professionals on Glassdoor, as of Jul 2026.
Principal Engineer - Software professionals typically earn between $97 and $156 per hour.
Principal Engineer - Software professionals typically earn between $16,798 and $27,080 monthly.
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