Software & DataOn site
Principal Software Engineer
MastercardO'Fallon, MO
$170,000–281,000/yr
Posted Sep 24, 2026
What you’d do
Principal software engineer role at Mastercard in O'Fallon, Missouri, working full time. Responsibilities include following security policies, protecting information confidentiality and integrity, and reporting suspected breaches. Found on the employer's careers page on Sep 29, 2026. Apply through the link.
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