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

Join our team as a Senior Software Engineer, leading the development of next-generation payment applications and real-time payment technology. Drive software delivery, code quality, and integration of services. Ideal for experienced engineers with strong programming skills and expertise in distributed systems and automation.

Required Skills
software development distributed systems
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