The estimated average salary for a Principal Software Engineer In Test at Oracle is €203,628 per year or €98 per hour, but some professionals have reported earning up to roughly €295,481 per year (90th percentile). The typical pay range is between €169,759 (25th percentile) and €248,350 (75th percentile) annually. This is based on 1 salaries submitted by Oracle Principal Software Engineer In Test professionals on Glassdoor, as of Jul 2026.