As of January 01, 2026, the average annual salary for Quantitative Developer in Illinois is $110,464, equivalent to $53 per hour, $2,124 weekly, or $9,205 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for Quantitative Developer in cities like Santa Clara, San Jose, and Fremont.
Annually Salaries for Quantitative Developer in Illinois vary widely, spanning from $92,609 to $127,560. Most professionals fall between the 25th percentile ($101,118) and 75th percentile ($119,413), while top earners (90th percentile) make $127,560 per year. This $18,295 pay gap underscores opportunities for salary growth through certifications, specialized skills like Analysis or Installation, or targeting high-paying regions like District of Columbia or California.
Location and experience significantly influence earnings. For example, Illinois Quantitative Developer often earn 1.9% higher than national averages due to demand from Fortune 70 companies. However, Illinois currently ranks 14 nationwide for Quantitative Developer job salary. Professionals are advised to focus on high-growth sectors like to offset market challenges.
