Swyx is a San Francisco-based angel investor and developer experience operator backing AI, developer tools, cloud, data, security and SaaS startups across the United States. He invests from pre-seed through early-stage rounds, including seed, and is relevant for technical founders seeking angel capital plus help with developer relations, community strategy, AI product feedback and launches. Portfolio examples include Temporal, Cognition, Supabase, Railway.app, WorkOS, Fireworks, Modal, Chroma and Confident Security.