Senior Software Engineer Salary in O'fallon, MO

85 certified H-1B filings

According to TheRealSalaries.com analysis of official US Department of Labor filings (October 2024 - December 2025), the average H-1B salary for Senior Software Engineer in O'fallon is $115,532 — 5% below the national median of $121,514.

Section 1
$115,532
Average
$69,319
Min Est.
$207,957
Max Est.
85
Filings
Section 2

Senior Software Engineer in Other Cities

New York, NY
$177,618
477 filings
San Francisco, CA
$196,055
410 filings
Bentonville, AR
$135,068
285 filings
Charlotte, NC
$134,087
274 filings
Sunnyvale, CA
$168,966
246 filings
San Jose, CA
$196,949
226 filings
Irving, TX
$133,297
225 filings
Austin, TX
$147,477
196 filings

Other Roles in O'fallon

Lead Software Engineer ($137,598) Software Engineer ($91,590) Software Developer ($94,356) Senior Bizops Engineer ($97,151) Software Developer ($90,576) Principal Software Engineer ($162,920) Technical Lead L1 ($75,056) Lead BizOps Engineer ($114,133)
Section 3
Source: US Department of Labor LCA Disclosure Data. Updated: Q1 FY2025.