Staff Software Engineer (Backend)

WHAT ARTISAN IS We're building AI employees. Not chatbots. Not copilots. Autonomous digital workers that do real jobs. Our first, Ava, is an AI BDR used by hundreds of companies. She researches leads, writes and sends emails in a customer's voice, runs multi-step outbound sequences, manages her own deliverability infrastructure, self-optimizes over time, and handles objections and meeting booking. She's not a tool someone uses. She's a teammate. We're a YC W24 company, have raised $35M+ from investors including Y Combinator, and are at $8M+ ARR. Right now we're building Ava 2.0, a step change in what an AI employee can do. The engineering problems are hard and the surface area is enormous. THE ROLE - You’ll build the backend that makes AI employees possible. This is a foundational engineering role. - We process millions of signals — lead data, email engagement, deliverability metrics, behavioral patterns — to make autonomous decisions. The backend is core to everything we do: