Senior Data Engineer salary in St. Louis, MO

Based on 21 certified H-1B filings at DOL wage level III in the St. Louis, MO-IL metro area, FY2025–FY2026. Includes Maryland Heights, O'fallon, Chesterfield, O’fallon, Clayton.

Also listed as: Database Architect, Data Architect

Median salary$132,000
Middle 50%$125k–$140k
vs. all levels here−2%comparison median $135,000
Filings21FY2025–FY2026 · latest two fiscal years

Salary range

Box: middle 50% of filings. Whiskers: 10th–90th percentile. 99% of filings are between $114,845 and $158,540.
PercentileSalary
10th$118,500
25th$125,000
50th (median)$132,000
75th$140,000
90th$143,520

Salary by year

Median salary

$70k $110k $150k FY2020: median $88,718 (10 filings) FY2023: median $122,500 (10 filings) FY2025: median $130,000 (11 filings) FY2026: median $134,141 (10 filings) FY20 FY21 FY22 FY23 FY24 FY25 FY26

Filings per year

FY2020: 10 filings FY20 FY2021: 5 filings FY21 FY2022: 8 filings FY22 FY2023: 10 filings FY23 FY2024: 9 filings FY24 FY2025: 11 filings FY25 FY2026: 10 filings FY26 11
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$88,718$83,325$93,45010
FY2021–––5
FY2022–––8
FY2023$122,500$117,000$130,00010
FY2024–––9
FY2025$130,000$124,300$140,00011
FY2026$134,141$127,000$139,83410

Cost of living

St. Louis's median senior Data Engineer salary of $132,000 is worth about $138,800 at national average prices.

Source: BEA Regional Price Parities, 2024 (U.S. = 100; St. Louis = 95.1).

Compared with all workers here

All Database Architects in the St. Louis, MO area earned a median of $122,310 in May 2025 (710 employed). The H-1B median here is $132,000, 8% higher.

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
Brilliotoo few2
Tribistoo few2

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

By experience level

Wage levelMedianFilings
Entry-level · Level I too few 2
Mid-level · Level II $94,661 27
Senior · Level III $132,000 21
Expert · Level IV $151,509 32

Median shown when a level has at least 10 filings.

Minimum H-1B salary by level

Wage levelPrevailing wage (most common)Median offered salaryFilings
Mid-level · Level II$88,005$94,66127
Senior · Level III$118,227$132,00021
Expert · Level IV$141,814$151,50932

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.