Senior Software Engineer

MastercardO'Fallon, MO

$115,000–184,000/yr

Apply on Mastercard’s site

Posted Sep 28, 2026

What you’d do

Build and maintain software as a senior engineer, with responsibility for information security practices and periodic security training. Full time role based in O'Fallon, Missouri. Found on the employer's careers page on Sep 29, 2026. Apply through the link.

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