Software & DataOn site
Senior Software Engineer
MastercardO'Fallon, MO
$115,000–184,000/yr
Posted Sep 28, 2026
What you’d do
Build automation and performance solutions, and investigate application bottlenecks to improve scalability and reliability of the Authorization payment network. Full time, partnering with development teams. Found on the employer's careers page on Sep 29, 2026. Apply through the link.
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