Senior AI Platform Engineer

You believe great ML systems don't just work — they scale, they recover gracefully, and they give data scientists the confidence to iterate quickly. At Expel, you'll be a key contributor in building and maturing the infrastructure that powers our machine learning and generative AI capabilities. From end-to-end training pipelines to the specialized infrastructure behind production agentic applications, your work will directly shape how fast we can innovate and how reliably our AI systems run. You'll work closely with senior and principal engineers, data scientists, and cross-functional teams to operationalize ML at scale. You bring strong hands-on expertise and a genuine drive to continuously improve the systems and practices around you. What Expel can do for you Give you hard, meaningful problems — building the infrastructure that lets defenders win using AI Connect you with a collaborative team of engineers, data scientists, and researchers who care about doing it right Offer unlimited PTO (that leadership models and encourages), up to 24 weeks of parental leave, and really excellent health benefits Pay you a monthly fitness and cell phone stipends — no receipts required Support your professional growth with a conference benefit and continuous learning opportunities Offer full remote flexibility — work from wherever you do your best work What you can do for Expel Build and sc...