Mastercard is hiring a Lead Software Engineer (Java/AI) for its Commercial Connect API team to lead the design, development, testing, review, and deployment of Java microservices and scalable database solutions. The role focuses on secure, high-traffic B2B payment technology, cloud and DevOps practices, AI-assisted engineering, and collaboration with product, engineering, and test teams. It is a hybrid position based in Sandyford, Dublin, requiring three days per week onsite.
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