Senior Integration 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 currently hiring a Senior Integration Engineer to design and maintain robust automated test frameworks for API-driven platforms. You will ensure quality engineering across API, UI, and performance layers, collaborating with engineering teams. Ideal candidates have significant experience in automation-focused QA roles and expertise in Java-based frameworks.

Required Skills
collaboration quality assurance Java
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