Senior Software Engineer, W&B Agent - W&B

Build and operate ARIA, an AI research and iteration agent, across backend infrastructure and React frontend systems. Develop distributed workers, streaming architectures, APIs, real-time interfaces, billing and configuration UIs, observability dashboards, and secure code execution controls. Own features end to end, improve reliability and scalability, and collaborate with ML science, product, iOS, and SRE teams. The role requires Python, FastAPI, Kubernetes, TypeScript, React, transactional databases, and production AI agent experience.