As of April 01, 2025, the average annual salary for a Software Developer I in Illinois is $82,190. Salary.com reports that pay typically ranges from $73,890 to $89,990, with most professionals earning between $66,333 and $97,091.
| Annual Salary |
Monthly Pay |
Weekly Pay |
Hourly Wage |
|
| 75th Percentile | $89,990 | $7,499 | $1,731 | $43 |
| Average | $82,190 | $6,849 | $1,581 | $40 |
| 25th Percentile | $73,890 | $6,158 | $1,421 | $36 |
An entry-level Software Developer I with under 1 year experience makes about $81,624. With less than 2 years of experience, a mid-level Software Developer I makes around $82,476. After 2-4 years, the Software Developer I pay rises to about $84,187. Those senior Software Developer I with 5-8 years of experience earn roughly $84,529, and those Software Developer I having 8 years or more experience are expected to earn about $84,758 on average.
| Levels | Salary |
|---|---|
| Entry Level Software Developer I | $81,624 |
| Intermediate Level Software Developer I | $82,476 |
| Senior Level Software Developer I | $84,187 |
| Specialist Level Software Developer I | $84,529 |
| Expert Level Software Developer I | $84,758 |
| Entry Level | 1% |
| Mid Level | 2% |
| Senior Level | 4% |
| Top Level | 5% |
| Experienced | 5% |
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