Founding AI Agent Engineer

About the Role

Join an early-stage healthtech team building conversational AI agents to help recruit and support participants in clinical trials. You will own the development of patient-facing agents and the systems that make them effective, scalable, and safe in a regulated environment.

What You'll Do

• Build and orchestrate AI agents that coordinate patient recruitment across multiple clinical trials.
• Review production conversations, identify failure scenarios, create evaluations, and improve the agent harness.
• Integrate health profile data sources to support timely, relevant patient outreach.
• Develop consistent, personalized agent experiences across voice, SMS, and email.
• Evaluate emerging agent research and tooling, and incorporate relevant advances into the software platform.

What We're Looking For

• Zero to four years of software engineering, agent engineering, or applied AI experience.
• Hands-on experience building and shipping conversational agents and agent harnesses beyond prototypes, at meaningful scale.
• Experience with production tracing and evaluation infrastructure for AI agents.
• Applied LLM and full-stack software engineering skills; experience with tools such as LangGraph, Vercel AI SDK, voice AI, SMS APIs, and multi-agent orchestration is relevant.
• Strong computer science, mathematics, or related technical fundamentals, with an undergraduate degree in a relevant field.
• Resourcefulness, persistence, and the ability to work independently through technical challenges.
• Consumer AI product experience and familiarity with healthcare or life sciences are beneficial.
• 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.