Principal Software Engineer Genai & Product Architect

INFO SALARY: $280000 - $375000 LOCATION San Francisco, CA JOB TYPE Permanent PRINCIPAL SOFTWARE ENGINEER - GENAI & PRODUCT ARCHITECT $280K-$375K BASE + BONUS + EQUITY HYBRID - BAY AREA (3 DAYS/WEEK) The Opportunity Join a profitable, fast-growing platform in a specialized, mission-driven domain as a founding-level engineer working directly with the CTO. This is a hands-on builder role - designing systems from scratch, shipping quickly, and bringing AI-powered ideas to production. What You'll Do Build GenAI and agentic workflows on top of proprietary datasets Design and ship end-to-end features (backend + frontend) Develop AI-driven systems for search, personalization, and recommendations Own growth and engagement systems (e.g., email, targeting, experimentation) Prototype new ideas, test with real users, and iterate rapidly Help define architecture and technical direction Tech Stack Python, Django React (TypeScript/JavaScript) AWS PostgreSQL LLMs / AI tooling (OpenAI or similar) What They're Looking For 6-10+ years of engineering experience (Staff/Principal level) Strong Python backend + React frontend skills Experience building scalable systems on AWS Exposure to AI/LLMs or data-driven products Builder mindset - hands-on, fast-moving, comfortable with ambiguity Why This Role Founding engineer impact on new AI initiatives Direct collaboration with CTO and senior leadership Profitable company with strong growth High ownership, fast iteration, real user impact CONTACT Chris Williams He/Him/His Senior Sourcing Consultant