Software Developers salaries in Springfield, IL
Median $99,900 across 166 filings, Jul 2023 to Jun 2026.
Calculate take-home pay on the calculator pageMedian
$99,900
Middle 50%
$90,000–$115,900
Filings
166
- Median is 27% below the national median for Software Developers ($136,700).
- Most filings are wage Level II (55%).
- Krasan Consulting Services, Inc. has the most filings (15), with a median of $117,000.
Top companies
Level I 16%
Level II 55%
Level III 19%
Level IV 9%
Not stated 1%
Take-home pay
| Gross | $99,900 |
| Federal income tax | $13,100 |
| Social Security | $6,200 |
| Medicare | $1,400 |
| State income tax | $4,800 |
| Health insurance (employee share) | $1,400 |
| Take-home per year | $72,900 |
| Take-home per month | $6,100 |
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.
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.