Senior Full Stack Engineer

ABOUT THE ROLE

Join an early-stage healthtech team building AI agents that help people with serious chronic conditions manage care logistics through text. As a senior individual contributor and product-minded engineer, you will shape the product and engineering practices while building secure, user-facing software.

WHAT YOU'LL DO

• Lead greenfield development for enterprise products and deliver corresponding updates to the consumer app.
• Partner with the CEO to shape the near-term and annual product roadmap.
• Build, debug, and evaluate AI agents, including prompt engineering and evaluation harnesses.
• Help ensure products meet HIPAA and SOC 2 requirements and are ready for enterprise use.
• Mentor engineers, assign work, review code, and support future hiring.

WHAT WE'RE LOOKING FOR

• Six or more years of full stack engineering experience, ideally six to ten years.
• Experience shipping consumer or user-facing products from zero to one at an early-stage or high-growth startup.
• Hands-on experience with React, TypeScript, Python, FastAPI, and cloud platforms such as AWS or Google Cloud, including Firebase and Firestore.
• Production experience with LLMs, including agent orchestration, prompt and context design, tool use, evaluations, guardrails, and observability.
• Experience as a founding or senior engineer, technical lead, or mentor to other engineers.
• Healthcare or other regulated-industry experience is valuable, as is familiarity with HIPAA or SOC 2.
• Strong front-end design skills and experience with Figma are beneficial.
• Must be authorized to work in the United States without visa sponsorship or transfer.

COMPENSATION & BENEFITS

Base salary: $185,000 to $210,000 annually. Visa sponsorship is not available.

LOCATION

On-site, five days per week in Boston, Massachusetts.