Founding AI Agent Engineer

About the Role

Join an early-stage healthtech company building AI agents that help recruit and support participants in clinical trials. As a founding engineer on the agent team, you will own the development of safe, scalable conversational experiences for patients in a regulated industry.

What You'll Do

• Build and orchestrate AI agents that coordinate participant recruitment across multiple clinical trials.
• Review production traces, identify challenging conversation scenarios, create evaluations, and use results to improve the agent harness.
• Integrate health profile data sources to support timely, relevant outreach and participant qualification.
• Scale language model experiences across voice, SMS, and email while keeping conversations consistent and personalized.
• Evaluate emerging agent tools and research, and apply them to the product and its underlying software systems.

What We're Looking For

• 0 to 4 years of experience in software engineering, agent engineering, or applied AI.
• Hands-on experience building production conversational agents and agent harnesses at scale, beyond prototypes or personal projects.
• Experience developing evaluation and tracing infrastructure for AI agents.
• Strong programming and technical fundamentals, with an undergraduate degree in computer science, mathematics, or a related field.
• Familiarity with conversational AI, large language models, agent orchestration, voice or SMS systems, and tools such as LangGraph or Vercel AI SDK.
• Resourceful, persistent approach to solving challenging engineering problems; consumer AI or healthtech experience is helpful.
• 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.