Software Engineering jobs in O'Fallon
33 live roles · 1 company · 33 with stated pay
All software jobs in O'Fallon San FranciscoNew YorkSeattleMountain ViewTorontoSunnyvale
33 software engineering roles in O'Fallon are open right now across 1 company. Mastercard alone accounts for 33 of them, so this list leans heavily on one employer. 23 were posted in the last 30 days.
Every posting here is mid-level or above, and 73% are senior or lead.
Market snapshot
- Hiring
- Mastercard (33)
- Levels
-
- VP1
- Senior23
- Manager3
- Mid6
- Remote
- 0 of 33
- Stated pay
- 33 of 33 · $115,000–$231,000
- Posted
- 23 in the last 30 days
- Verified
- Oct 24, 2026
Newest first
this job's paywhere most pay sits here, $115,000–$231,000scale $60,000–$330,000
Software Engineer II Mastercard · O'Fallon $92,000–$147,000 3w ago Lead Software Integration Engineer (Release Management) – Workday & HR Platforms Mastercard · O'Fallon $122,000–$207,000 3w ago Senior Integration Engineer Mastercard · O'Fallon $96,000–$163,000 3w ago Find me work Senior Software Engineer Mastercard · O'Fallon $115,000–$184,000 3w ago Senior Software Engineer Mastercard · O'Fallon $115,000–$184,000 3w ago Senior Software Engineer Mastercard · O'Fallon $115,000–$184,000 3w ago Senior Software Engineer Mastercard · O'Fallon $115,000–$184,000 3w ago Software Engineer II – Notification Manager Mastercard · O'Fallon $92,000–$147,000 3w ago Senior Software Engineer Mastercard · O'Fallon $115,000–$184,000 3w ago Senior Software Engineer Mastercard · O'Fallon $115,000–$184,000 3w ago Manager, Software Engineering Mastercard · O'Fallon $140,000–$231,000 3w ago Senior Software Engineer Mastercard · O'Fallon $115,000–$184,000 3w ago Software Engineer II Mastercard · O'Fallon $92,000–$147,000 3w ago Senior Software Engineer Mastercard · O'Fallon $115,000–$184,000 3w ago Senior Software Engineer Mastercard · O'Fallon $115,000–$184,000 3w ago Software Engineer II Mastercard · O'Fallon $92,000–$147,000 3w ago Lead Software Engineer Mastercard · O'Fallon $140,000–$231,000 3w ago Lead Software Engineer Mastercard · O'Fallon $140,000–$231,000 3w ago Senior Software Engineer Mastercard · O'Fallon $115,000–$184,000 4w ago Lead Software Engineer Mastercard · O'Fallon $140,000–$231,000 4w ago Software Engineer II Mastercard · O'Fallon $92,000–$147,000 4w ago Lead Workday Engineer - Integrations and Extend Mastercard · O'Fallon $122,000–$207,000 4w ago Senior Software Engineer Mastercard · O'Fallon $115,000–$184,000 4w ago Lead Software Engineer Mastercard · O'Fallon $140,000–$231,000 4w ago Lead Software Engineer Mastercard · O'Fallon $140,000–$231,000 4w ago Software Engineer II - Decision Management Program Mastercard · O'Fallon $92,000–$147,000 5w ago Software Engineer II Mastercard · O'Fallon $92,000–$147,000 5w ago Vice President, Software Engineering Mastercard · O'Fallon $212,000–$339,000 5w ago Senior Software Engineer - Java Mastercard · O'Fallon $115,000–$184,000 6w ago Senior Software Engineer Mastercard · O'Fallon $115,000–$184,000 8w ago Senior Software Engineer Mastercard · O'Fallon $115,000–$184,000 2mo ago Lead Software Engineer(Recorded Future) Mastercard · O'Fallon $140,000–$231,000 2mo ago Manager, Software Engineering Mastercard · O'Fallon $140,000–$231,000 3mo ago
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