Senior, Software Engineer
Mastercard · O Fallon
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- Company
- Mastercard
- Location
- O Fallon
- Employment type
- Full-time
- Posted
- October 21, 2026
About this job
Title and Summary Senior, Software Engineer Overview The Decision Management Program (DMP) delivers industry‑leading intelligence that enables faster, smarter decisioning at global scale across the payment journey and beyond. Through a suite of products, DMP structures and applies complex business logic to help teams manage risk, adapt quickly to changing regulatory, geopolitical, or market conditions, and drive profitable customer engagements. Built for resiliency, availability, and future growth, DMP empowers Mastercard’s market-facing programs with agile, intelligent decision management capabilities worldwide. A Senior Software Engineer is an experienced individual contributor who designs, develops, tests, deploys, and maintains complex backend software applications and services, with a…
This is a short summary.
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