Principal Software Engineer Salary in O'fallon, MO

12 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 Principal Software Engineer in O'fallon is $162,921 — 34% above the national median of $121,514.

Section 1
$162,921
Average
$97,752
Min Est.
$293,256
Max Est.
12
Filings
Section 2

Principal Software Engineer in Other Cities

Santa Clara, CA
$218,699
57 filings
San Jose, CA
$204,944
36 filings
Sunnyvale, CA
$162,976
29 filings
Natick, MA
$173,018
27 filings
Austin, TX
$168,732
25 filings
Mountain View, CA
$249,024
24 filings
Bentonville, AR
$172,731
19 filings
Phoenix, AZ
$150,836
17 filings

Other Roles in O'fallon

Senior Software Engineer ($115,532) Lead Software Engineer ($137,598) Software Engineer ($91,590) Software Developer ($94,356) Senior Bizops Engineer ($97,151) Software Developer ($90,576) Technical Lead L1 ($75,056) Lead BizOps Engineer ($114,133)
Section 3
Source: US Department of Labor LCA Disclosure Data. Updated: Q1 FY2025.