The estimated average salary for a Software Development Engineer In Test (SDET) at Persistent Systems is ₹147,983 per year or ₹71 per hour, but some professionals have reported earning up to roughly ₹211,462 per year (90th percentile). The typical pay range is between ₹124,163 (25th percentile) and ₹178,935 (75th percentile) annually. This is based on 25 salaries submitted by Persistent Systems Software Development Engineer In Test (SDET) professionals on Glassdoor, as of Jun 2026.