Senior Software Engineer

Mastercard

O Fallon, Missouri, United States of America Posted October 27, 2026

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On-site Full-time Senior
Job Description

We are looking for a Senior Software Engineer to drive innovation in digital payment solutions, focusing on standardizing and optimizing B2B payment processes. You will lead software delivery, develop full-stack applications, and mentor team members. Ideal candidates bring extensive experience in secure, scalable software engineering and a passion for customer-centric technology.

Required Skills
software development
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