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, contributing to the design, development, and maintenance of Mastercard payment gateway applications. Lead technical solutions, collaborate with global teams, and ensure reliability and scalability. Ideal for experienced engineers with strong Java, Spring, and cloud expertise.

Required Skills
software development collaboration Java Spring
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