Expert Data Engineer salary in St. Louis, MO
Based on 32 certified H-1B filings at DOL wage level IV 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
Salary range
| Percentile | Salary |
|---|---|
| 10th | $140,129 |
| 25th | $142,912 |
| 50th (median) | $151,509 |
| 75th | $165,000 |
| 90th | $172,606 |
Salary by year
Median salary
Filings per year
Show as table
| Fiscal year | Median | P25 | P75 | Filings |
|---|---|---|---|---|
| FY2020 | – | – | – | 1 |
| FY2021 | – | – | – | 3 |
| FY2022 | $115,849 | $102,086 | $137,322 | 11 |
| FY2023 | – | – | – | 8 |
| FY2024 | – | – | – | 4 |
| FY2025 | $144,825 | $139,942 | $160,727 | 11 |
| FY2026 | $153,298 | $146,870 | $165,000 | 21 |
Cost of living
St. Louis's median expert Data Engineer salary of $151,509 is worth about $159,300 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 $151,509, 24% 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
| Employer | Median | Filings |
|---|---|---|
| Bayer | too few | 4 |
| Charter Communications | too few | 4 |
| Accenture | too few | 3 |
| Bayer Research and Development Services | too few | 3 |
| Deloitte | too few | 2 |
| Bayer CropScience | too few | 2 |
| Specialist Resources Global | too few | 2 |
Employers with at least 2 filings here. Median shown at 10+ filings.
By experience level
| Wage level | Median | Filings |
|---|---|---|
| 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 level | Prevailing wage (most common) | Median offered salary | Filings |
|---|---|---|---|
| Mid-level · Level II | $88,005 | $94,661 | 27 |
| Senior · Level III | $118,227 | $132,000 | 21 |
| Expert · Level IV | $141,814 | $151,509 | 32 |
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.