Legion Health

Legion Health is building the AI-native operations layer for mental health care, running its own psychiatric practice and using AI agents to handle scheduling, intake, documentation, billing, and risk detection. Company metrics: $3M+ ARR, $7M+ raised, infrastructure supports 2,000+ patients with one human support lead. Role: Founding Engineer to own backend and agent systems end-to-end — architect state machines and event streams to turn clinical intent into reliable operations. Responsibilities include building agents with tool use, memory, and safety rails; designing event-driven architecture and schemas/workflows (Node.js/TypeScript/Postgres); and deploying work directly into clinical workflows. Tech stack includes Node.js, TypeScript, Supabase (Postgres), AWS (ECS/Lambda), Next.js 15, OpenAI/Anthropic. Location: San Francisco (in-person). Process: Intro → Systems Deep Dive → Practical Work Trial → Onsite (7-10 day timeline).