How much does a Backend Applications Developer IV make in Illinois?
As of April 01, 2026, the average salary for a Backend Applications Developer IV in Illinois is $148,200 per year, which breaks down to an hourly rate of $71.
However, a Backend Applications Developer IV's salary can vary significantly. Here’s a look at the typical salary range:
- Top Earners (90th percentile): $166,922
- Majority Range (25th-75th percentile): $136,700 to $158,000
- Entry-Level (10th percentile): $126,230