How much does a Software Systems Developer II make in Illinois?
As of April 01, 2026, the average salary for a Software Systems Developer II in Illinois is $111,814 per year, which breaks down to an hourly rate of $54.
However, a Software Systems Developer II's salary can vary significantly. Here’s a look at the typical salary range:
- Top Earners (90th percentile): $129,299
- Majority Range (25th-75th percentile): $102,064 to $120,966
- Entry-Level (10th percentile): $93,186