Join hapiy.ai as a Founding Engineer. The Mission: Build the trust layer for enterprise AI You will own the technology, define the product, and build the team from the ground up. We offer maximum impact and maximum ownership. You Are: This is a founding engineer role at a pre-seed startup. That means you are a pragmatic and experienced builder who has shipped systems end-to-end. You are energized by ambiguity, driven by ownership, and obsessed with building the technical foundation of a company from scratch. Nice to Haves: Experience in an early-stage startup. Experience working directly with customers. Comfort across the tech stack (frontend and backend). Familiarity with the modern AI ecosystem (e.g., LLMs, MLOps) The Offer: Equity and a top-tier salary. Build our core product and technology from scratch. Shape the company's vision directly with the founders. Note: The position will start as remote but expected to change to in-person in Boston, MA.