We are looking for an experienced senior software engineer to join our team and contribute to a number of areas. Areas you may work in: • Agent infrastructure and code • Product surfaces • Evals and reliability • Models You may be a good fit if you: • Want to work in person in San Francisco • Have strong software engineering fundamentals, with experience building production systems end to end • Have built and operated production systems and can explain the decisions, tradeoffs, and outcomes you owned • Independently identify important problems, define your own work, and follow through without waiting for a specification • Bring technical depth and learn quickly when the problem takes you into unfamiliar areas • Communicate your reasoning clearly and work well with people who will question it Even better: • You've built a product from scratch or helped shape an early engineering team • You've shipped agents or other AI systems into production • You’ve participated in hackathons