Founding AI Engineer

ABOUT THE ROLE Join an early-stage SaaS team as its founding AI engineer, building the core of a real-time AI voice agent for sales. You will own the agent's technical direction and help turn customer conversations into a dependable product. WHAT YOU'LL DO - Build the agent's reasoning, tool use, and memory, including its ability to recover when live conversations go off script while meeting latency requirements. - Develop evaluation pipelines and data workflows that use real sales conversations to measure and improve agent performance, including fine-tuning where useful. - Improve the reliability of browser automation so the agent can demonstrate products in a live browser while speaking with buyers. - Ship end-to-end product work with TypeScript, Node.js, and Next.js, collaborating directly with customers and design partners. - Set technical direction for model and tooling choices, and define the agent's next capabilities. WHAT WE'RE LOOKING FOR - Four to seven years of experience as an AI engineer, including at least one year owning a user-facing AI agent in production. - Experience shipping agents end to end, including evaluation, observability, and cost optimization. - At least one year working with real-time voice technologies such as WebRTC or LiveKit, or browser agents and automation such as Playwright. - Proficiency in TypeScript, Node.js, and Next.js, with experience using LLM APIs and AI agent systems. - Background in voice AI, AI sales, browser agents, or a fast-growing AI company; sales technology or go-to-market tooling experience is useful. - Experience building with customers or design partners and a track record of sustained tenure in recent roles. COMPENSATION & BENEFITS Base salary is $216,000 to $250,000 USD annually. Visa sponsorship is available. LOCATION On-site in New York, New York.