The salary trajectory of a Senior IT Application Developer ranges between locations and employers. The salary starts at $117,775 per year (estimate) and goes up to $280,024 per year (estimate) for the highest level of seniority.
The estimated average salary for a Senior IT Application Developer at Selective Insurance is $158,974 per year or $76 per hour, but some professionals have reported earning up to roughly $231,821 per year (90th percentile). The typical pay range is between $131,796 (25th percentile) and $194,348 (75th percentile) annually. This is based on 4 salaries submitted by Selective Insurance Senior IT Application Developer professionals on Glassdoor, as of Jun 2026.
Senior IT Application Developer professionals typically earn between $63 and $93 per hour.
Senior IT Application Developer professionals typically earn between $10,983 and $16,196 monthly.