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 foundations while delivering user-facing and enterprise solutions.

WHAT YOU'LL DO

• Lead greenfield development for two enterprise contracts and the related consumer app updates.
• Partner with the CEO to shape near-term and annual product roadmaps.
• Build, debug, and evaluate AI agents using Google ADK, including prompt engineering and evaluation harnesses.
• Establish secure, enterprise-ready systems and support HIPAA and SOC 2 compliance.
• Mentor engineers, assign work, review code, and contribute to hiring.

WHAT WE'RE LOOKING FOR

• Six to ten years of full stack engineering experience, including experience leading projects or mentoring engineers.
• Experience shipping consumer or user-facing products from zero to one at an early-stage or high-growth startup.
• Proficiency with React, TypeScript, Python, and FastAPI, plus cloud platforms and services such as AWS, Google Cloud, Firebase, and Firestore.
• Production experience building with LLMs, including agent orchestration, prompt and context design, tool use, evaluations, guardrails, and observability.
• Experience in healthcare, chronic condition management, or another regulated industry is valuable, as is familiarity with HIPAA or SOC 2.
• Strong front-end design skills and familiarity with Figma; strong computer science fundamentals or equivalent experience.

COMPENSATION & BENEFITS

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

LOCATION

On-site in Boston, Massachusetts, five days per week. Relocation assistance is not available.