The estimated average salary for a IT Software Development Engineer In Test at Microsoft is $100,000 per year or $48 per hour, but some professionals have reported earning up to roughly $100,000 per year (90th percentile). The typical pay range is between $75,000 (25th percentile) and $100,000 (75th percentile) annually. This is based on 4 salaries submitted by Microsoft IT Software Development Engineer In Test professionals on Glassdoor, as of Jun 2026.