Founding AI Agent Engineer

ABOUT THE ROLE

Join an early-stage healthtech company building conversational AI to support patient recruitment for clinical trials. As a founding engineer on the agent team, you will own production AI systems that communicate with patients across multiple channels in a regulated setting.

WHAT YOU'LL DO

• Build and orchestrate AI agents that coordinate recruitment across multiple clinical trials.
• Review production conversation traces, identify failure scenarios, develop evaluations, and improve the agent harness.
• Integrate health profile data sources to help agents reach patients at relevant times and support trial recruitment.
• Scale language model experiences across voice, SMS, and email while maintaining consistent, personalized conversations.
• Evaluate emerging agent research and tooling and incorporate useful advances into the software platform.

WHAT WE'RE LOOKING FOR

• Zero to four years of experience as a software engineer, agent engineer, or applied AI engineer.
• Experience focused on building agents and large-scale AI applications, including conversational agents or agent harnesses used in production.
• Experience developing evaluation and tracing infrastructure for AI agents, beyond personal projects or prototypes.
• Working knowledge of conversational AI, LLMs, agent orchestration, LangGraph or the Vercel AI SDK, voice AI, and SMS integrations.
• Strong software and computer science fundamentals, supported by an undergraduate degree in computer science, mathematics, or a related field.
• Resourcefulness, strong work ethic, and ability to independently unblock challenging engineering work.
• Healthtech experience or interest is valuable, as is experience building consumer-facing AI products.
• Must be authorized to work in the United States without visa sponsorship, and able to work on-site in the San Francisco Bay Area.

COMPENSATION & BENEFITS

Base salary: $150,000 to $220,000 annually. Visa sponsorship is not available.

LOCATION

On-site in the San Francisco Bay Area, California, United States.