Senior AI Product Engineer, Fullstack

Arize AI is the leading AI observability and evaluation platform, empowering AI engineers to build and deploy high-performing, reliable models. The Fullstack Engineering team builds scalable distributed services and intuitive frontend applications. You will write maintainable code across the stack in TypeScript and React, design APIs and domain models for ML/LLM workflows, build reusable React components, research visualization algorithms, collaborate with product and design, contribute to in‑h 

5+ years of frontend experience with external user‑facing UIs, preferably in React and TypeScript. Experience debugging complex systems in a team environment. Enthusiasm for the AI and LLM ecosystem. Experience building and operating high‑volume SaaS platforms. Strong product ownership, passion for beautiful UX, and a collaborative team mindset. Bonus: GraphQL, ML/data science, or LLM product experience.