Mid-level Software Engineer salary in St. Louis, MO

Based on 1,268 certified H-1B filings at DOL wage level II 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

Median salary$97,386
Middle 50%$92k–$110.1k
vs. all levels here−13%comparison median $112,174
Filings1,268FY2025–FY2026 · latest two fiscal years

Salary range

Box: middle 50% of filings. Whiskers: 10th–90th percentile. 99% of filings are between $90,397 and $154,581.
PercentileSalary
10th$90,397
25th$91,950
50th (median)$97,386
75th$110,137
90th$115,000

Salary by year

Median salary

$70k $90k $110k FY2020: median $84,000 (1,715 filings) FY2021: median $84,094 (1,236 filings) FY2022: median $85,000 (1,319 filings) FY2023: median $86,000 (1,062 filings) FY2024: median $90,397 (873 filings) FY2025: median $97,000 (831 filings) FY2026: median $97,406 (437 filings) FY20 FY21 FY22 FY23 FY24 FY25 FY26

Filings per year

FY2020: 1,715 filings FY20 FY2021: 1,236 filings FY21 FY2022: 1,319 filings FY22 FY2023: 1,062 filings FY23 FY2024: 873 filings FY24 FY2025: 831 filings FY25 FY2026: 437 filings FY26 1,715
Shaded: FY2025–FY2026, the years behind the figures above. Median shown for years with at least 10 filings. FY2026 covers Q1–Q3 only.
Show as table
Fiscal yearMedianP25P75Filings
FY2020$84,000$83,346$90,0001,715
FY2021$84,094$83,637$90,8401,236
FY2022$85,000$84,094$95,0001,319
FY2023$86,000$84,802$101,1091,062
FY2024$90,397$85,426$102,690873
FY2025$97,000$90,397$111,128831
FY2026$97,406$97,386$110,000437

Cost of living

St. Louis's median mid-level Software Engineer salary of $97,386 is worth about $102,400 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 $97,386, 25% 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

EmployerMedianFilings
Mastercard$115,000222
Charter Communications$90,39741
Tech Mahindra$97,38629
Deloitte$97,38626
Ki Infosystems$97,38618
Compunnel Software Group$107,50016
Centene Management Company$131,57713
Synechron$93,74012
UST$110,11011
BlueRibbon Global Technologies$90,39711

Employers with at least 2 filings here. Median shown at 10+ filings.

By experience level

Wage levelMedianFilings
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 levelPrevailing wage (most common)Median offered salaryFilings
Entry-level · Level I$68,598$76,045264
Mid-level · Level II$90,397$97,3861,268
Senior · Level III$112,174$122,450552
Expert · Level IV$140,046$140,046412

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.