Principal Software Engineer

Mastercard

O Fallon, Missouri, United States of America Posted October 28, 2026

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On-site Full-time Senior
Job Description

We are recruiting a Principal Software Engineer to lead the design and architecture of scalable, secure software solutions at Mastercard. Collaborate with cross-functional teams to deliver enterprise-grade applications and mentor engineering talent. Ideal for experienced professionals with a strong background in software development and architecture.

Required Skills
software development collaboration cross-functional collaboration
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