Founding AI Agent Engineer

ABOUT THE ROLE Join an early-stage healthtech team building patient-facing AI agents for clinical trial recruitment. You will own the agent experience and help make it safe, reliable, and scalable across a regulated healthcare environment. WHAT YOU'LL DO - Orchestrate AI agents to coordinate patient recruitment across clinical trials in North America. - Review production conversations, identify failure scenarios, turn them into evaluations, and improve the agent harness. - Integrate health profile data sources to support timely outreach and patient matching for new trials. - Scale language model-powered conversations across voice, SMS, and email while maintaining consistency and personalization. - Evaluate emerging agent tools and research, incorporating useful advances into the software platform. WHAT WE'RE LOOKING FOR - 0 to 4 years of software engineering, agent engineering, or applied AI experience. - Deep practical experience building conversational agents and agent harnesses at scale, beyond prototypes or internal tools. - Experience developing evaluation and tracing infrastructure for AI agents, including production feedback loops. - Strong software engineering fundamentals, ideally with a full-stack background and applied LLM experience. - Experience with conversational AI, agent orchestration, language models, voice, SMS, and agent development frameworks. - An undergraduate degree in computer science, mathematics, or a related field, or equivalent strong technical foundations. - Interest or experience in healthtech, healthcare, or life sciences is valuable. - Self-directed, resourceful, and comfortable working in an early-stage environment. COMPENSATION & BENEFITS Base salary: $150,000 to $220,000 annually. Visa sponsorship is not available. LOCATION On-site in California, United States. Candidates should be able to work in the San Francisco Bay Area.