The estimated average salary for a Software Development Engineer In Test (SDET) II at Sixt is €146,723 per year or €71 per hour, but some professionals have reported earning up to roughly €210,141 per year (90th percentile). The typical pay range is between €122,861 (25th percentile) and €177,621 (75th percentile) annually. This is based on 5 salaries submitted by Sixt Software Development Engineer In Test (SDET) II professionals on Glassdoor, as of Jun 2026.