Chicago Mercantile Exchange Inc. Software Developers salaries in Chicago-Naperville-Elgin, IL-IN
Median $135,000 across 28 filings, Jul 2023 to Jun 2026.
Calculate take-home pay on the calculator pageMedian
$135,000
Middle 50%
$128,000–$150,000
Filings
28
- Median is 8% above the median for Software Developers in Chicago-Naperville-Elgin, IL-IN ($125,000).
- Most filings are wage Level IV (43%).
Based on 28 filings. Small samples can differ from actual pay ranges.
Level II 18%
Level III 39%
Level IV 43%
Take-home pay
| Gross | $135,000 |
| Federal income tax | $21,100 |
| Social Security | $8,400 |
| Medicare | $2,000 |
| State income tax | $6,500 |
| Health insurance (employee share) | $1,400 |
| Take-home per year | $95,600 |
| Take-home per month | $8,000 |
Tax year 2026, single filer.
Local taxes, 401(k), and filing status other than single are not included.
Tax rates checked against IRS, Tax Foundation, and other original sources on Oct 28, 2026.
This is an estimate. Actual taxes depend on your situation. Consult a tax professional before filing.
Software Developers salaries in Chicago-Naperville-Elgin, IL-INChicago Mercantile Exchange Inc. Software Developers nationwide
LCA filings are not hires.
Filed wages are offered base pay, not total compensation.
We did not independently verify the source files. Deduplication and filtering can cause differences from the original data.