The role is the Founding AI Engineer in San Francisco, full-time and on-site, joining an early-stage startup. This position involves taking full ownership of features from concept to deployment and building AI systems with LangGraph and TypeScript to create automated marketing campaigns. It also entails designing the data backbone and analytics infrastructure to help AI agents improve over time, and architecting robust database schemas with PostgreSQL and Supabase. The role emphasizes product ownership and user-centric design, aligning features with market needs while collaborating closely with the operations team and customers via Slack and Notion. Candidates will work across the tech stack—Vue.js/Nuxt frontend, Node.js/TypeScript backend with Inngest, LangGraph AI agents, PostgreSQL/Supabase, Render and Inngest infrastructure, and Azure—through cross-functional collaboration using Linear, GitHub, Slack, and Notion.