Xometry is seeking a Principal Machine Learning Engineer to lead the development of scalable ML platforms that enable end-to-end machine learning workflows. The role involves designing and building infrastructure and tooling to support model development, deployment, and monitoring, collaborating closely with data scientists and engineering teams. Candidates should have extensive experience in machine learning engineering, proficiency with cloud platforms, and strong software engineering skills. This position offers an opportunity to drive innovation in ML platform engineering within a dynamic, fast-paced environment.