The estimated average salary for a IT Software Development Engineer In Test at Microsoft is $110,300 per year or $53 per hour, but some professionals have reported earning up to roughly $172,100 per year (90th percentile). The typical pay range is between $94,590 (25th percentile) and $141,550 (75th percentile) annually. This is based on 3 salaries submitted by Microsoft IT Software Development Engineer In Test professionals on Glassdoor, as of June 2026.