Senior AI Engineer

Macmillan is one of the Big 5 Publishers with mission-critical systems running royalties, distribution, and the supply chain that books move through from manuscript to consumer. Those systems cannot be turned off. They also cannot stay as they are. The organization has committed to a multi-year modernization of its core technology platforms, the build of a Publishing Operating System that enables imprints to operate more efficiently, and the productionization of AI capabilities across the publishing lifecycle. This is a rare opportunity to help redefine the technology foundation of a global publishing company in the AI era. This is a role for someone who has built and shipped AI-powered products at scale and now wants to shape the technical future of an industry that is being fundamentally transformed by AI. A link to a LinkedIn, GitHub, Hugging Face, or personal portfolio is mandatory for consideration for this role. THE ROLE As a Senior AI Engineer (Full-Stack / Applications), you will design, build, and operate production-grade, cloud-native applications with AI at their core. This role sits at the intersection of strong software engineering and deep AI expertise, with a focus on turning state-of-the-art AI capabilities into robust, scalable, and high-quality user-facing products. This role prioritizes deep AI knowledge alongside strong software engineering skills to ensure an effective utilization of AI capabilities in production systems. You will work across the full lif