Software & DataOn site
Software Engineer II
MastercardO'Fallon, MO
$92,000–147,000/yr
Posted Oct 19, 2026
What you’d do
Build and support highly scalable, high-performance software for Identity Check, Mastercard's global authentication platform based on the EMV 3-D Secure protocol. Full time role in O'Fallon, Missouri. Found on the employer's careers page on Oct 19, 2026. Apply through the link.
You’ll need
- Collaborative team player
- Curiosity and ownership mindset
- Continuous improvement mindset
- Scalable high-performance software development
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