Senior Java Software Architect — Payments & Reliability

PayJunction is seeking a Software Architect to design and build enterprise features and payment integrations for high-volume processing. You will take open-ended problems from a blank page to production while continuing to write Java in every sprint. You will shape reliability, PCI scope, and performance across our processor integrations, leveraging AI-assisted development. The role requires deep experience in Java, AWS, Linux, MySQL, and modern observability tooling.