How much does a Quantitative Software Engineer make in Illinois?
As of January 01, 2026, the average salary for a Quantitative Software Engineer in Illinois is $115,576 per year, which breaks down to an hourly rate of $56.
However, a Quantitative Software Engineer's salary can vary significantly. Here’s a look at the typical salary range:
- Top Earners (90th percentile): $135,170
- Majority Range (25th-75th percentile): $105,079 to $125,833
- Entry-Level (10th percentile): $95,521