Principal Software Engineer

MastercardO'Fallon, MO

$170,000–281,000/yr

Apply on Mastercard’s site

Posted Aug 24, 2026

What you’d do

Principal software engineer role at Mastercard in O'Fallon, Missouri. Full time position focused on software engineering work, with responsibility for information security practices. Found on the employer's careers page on Sep 29, 2026. Apply through the link.

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