As of March 01, 2026, the average salary for a Software Systems Developer II in Illinois is $111,811 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:
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Software Systems Developer II Salaries by Percentile
| Annual Salary |
Monthly Pay |
Weekly Pay |
Hourly Wage |
|
| 75th Percentile | $120,968 | $10,081 | $2,326 | $58 |
| Average | $111,811 | $9,318 | $2,150 | $54 |
| 25th Percentile | $102,054 | $8,505 | $1,963 | $49 |
jobr.pro - O'Fallon, IL
jobr.pro - O'Fallon, IL
JMark Services Inc. - Chicago, IL
Talan Group - Chicago, IL
A Software Systems Developer II's salary isn't a fixed number. It's shaped by several important factors. Below, we'll explore how your years of experience, geographic location and company size can directly affect your earning potential.
Experience is a primary driver of a Software Systems Developer II's salary. As you build your skills and take on more complex tasks, your compensation generally increases. Here's how the average salary grows at different career stages:
| Job Role | Years of Experience | Average Salary |
|---|---|---|
| Software Systems Developer I | 0-2 years | $81,363 |
| Software Systems Developer II | 2-4 years | $111,811 |
| Software Systems Developer III | 4-7 years | $131,199 |
| Software Systems Developer IV | 7+ years | $145,898 |
| Software Systems Developer V | 7-10 years | $169,101 |
What Am I Worth?
Your salary can change significantly depending on where you work. States with a higher cost of living and strong industrial sectors often pay more to attract Software Systems Developer IIs. For example, consider the average annual salaries in these key locations:
Salaries can also vary between different cities. Major metropolitan areas or cities with a high demand for technicians often offer more competitive pay. Here are a few examples of average annual salaries in different U.S. cities:
Understanding how a Software Systems Developer II's annual salary breaks down can help with budgeting. Below, you can see the average hourly rate, weekly pay, and monthly pay for this role. Use the buttons to switch between different pay periods.
| Annual Salary | Monthly Pay | Weekly Pay | Hourly Wage | |
|---|---|---|---|---|
| 75th Percentile | $120,968 | $10,081 | $2,326 | $58 |
| Average | $111,811 | $9,318 | $2,150 | $54 |
| 25th Percentile | $102,054 | $8,505 | $1,963 | $49 |
Promotions are the fastest way to increase your earnings. As a Software Systems Developer II, you have the following paths for advancement. The table below compares the salary raises for common next-step roles. By comparing these figures, you can choose the career path that best meets your financial goals.
| Next Step Role | Estimate Salary | Projected Raise |
|---|---|---|
| Software Systems Developer III | $131,199 | 17% |
| ERP Configuration Specialist III | $131,199 | 17% |
| Software Systems Engineer III | $120,125 | 7% |
| Software Systems Programmer III | $120,736 | 8% |
Ready to take the next step in your career? Browse thousands of current Software Systems Developer II job openings on our job board. Use the search bar below to find your perfect match.
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