How much does a Backend Developer I make in Illinois?
As of January 01, 2026, the average salary for a Backend Developer I in Illinois is $83,495 per year, which breaks down to an hourly rate of $40.
However, a Backend Developer I's salary can vary significantly. Here’s a look at the typical salary range:
- Top Earners (90th percentile): $96,077
- Majority Range (25th-75th percentile): $78,888 to $90,081
- Entry-Level (10th percentile): $74,693