Software & DataOn site
Senior Software Engineer
MastercardO'Fallon, MO
$115,000–184,000/yr
Posted Sep 28, 2026
What you’d do
Design, build, test, and improve software and services for Mastercard's real-time payment network on the Transaction Stream team. Full time role in O'Fallon, Missouri, working with engineers and product partners on systems at global scale. Found on the employer's careers page on Sep 29, 2026. Apply through the link.
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