Senior Software Engineer salary in St. Louis, MO
Based on 552 certified H-1B filings at DOL wage level III in the St. Louis, MO-IL metro area, FY2025–FY2026. Includes O'fallon, Maryland Heights, Ofallon, Chesterfield, Saint Louis.
Also listed as: Software Developer, Software Development Engineer, SDE
Salary range
| Percentile | Salary |
|---|---|
| 10th | $112,174 |
| 25th | $118,706 |
| 50th (median) | $122,450 |
| 75th | $138,000 |
| 90th | $141,990 |
Salary by year
Median salary
Filings per year
Show as table
| Fiscal year | Median | P25 | P75 | Filings |
|---|---|---|---|---|
| FY2020 | $101,000 | $99,736 | $109,400 | 627 |
| FY2021 | $105,000 | $99,195 | $110,344 | 400 |
| FY2022 | $109,400 | $102,000 | $123,401 | 545 |
| FY2023 | $114,000 | $104,000 | $126,324 | 381 |
| FY2024 | $120,000 | $112,000 | $138,000 | 322 |
| FY2025 | $123,188 | $112,174 | $138,000 | 355 |
| FY2026 | $121,700 | $118,706 | $138,000 | 197 |
Cost of living
St. Louis's median senior Software Engineer salary of $122,450 is worth about $128,800 at national average prices.
Source: BEA Regional Price Parities, 2024 (U.S. = 100; St. Louis = 95.1).
Compared with all workers here
All Software Developers in the St. Louis, MO area earned a median of $129,030 in May 2025 (9,820 employed). The H-1B median here is $122,450, 5% lower.
Source: U.S. Bureau of Labor Statistics, OEWS metropolitan area estimates. BLS wages include some incentive pay; H-1B figures are base salary.
Employers filing at this level
| Employer | Median | Filings |
|---|---|---|
| Mastercard | $138,000 | 174 |
| Charter Communications | $112,174 | 23 |
| Centene Management Company | $135,000 | 17 |
| Perficient | $132,500 | 11 |
| Fujitsu North America | too few | 9 |
| U.S. Bank National Association | too few | 8 |
| Cigna-Evernorth Services | too few | 8 |
| Capgemini America | too few | 6 |
| Natsoft | too few | 6 |
| Refinitiv | too few | 6 |
Employers with at least 2 filings here. Median shown at 10+ filings.
By experience level
| Wage level | Median | Filings |
|---|---|---|
| Entry-level · Level I | $76,045 | 264 |
| Mid-level · Level II | $97,386 | 1,268 |
| Senior · Level III | $122,450 | 552 |
| Expert · Level IV | $140,046 | 412 |
Median shown when a level has at least 10 filings.
Minimum H-1B salary by level
| Wage level | Prevailing wage (most common) | Median offered salary | Filings |
|---|---|---|---|
| Entry-level · Level I | $68,598 | $76,045 | 264 |
| Mid-level · Level II | $90,397 | $97,386 | 1,268 |
| Senior · Level III | $112,174 | $122,450 | 552 |
| Expert · Level IV | $140,046 | $140,046 | 412 |
The prevailing wage is the minimum an employer must pay for this job and area. Amounts vary by county within a metro and by wage source.