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Senior Full Stack Engineer

Ellipsis · New York - Hybrid · Remote

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About Ellipsis

Cloud platform for coding agents. Backed by Khosla.

About the role

Design, build, and operate backend services and APIs (TypeScript/Node.js and Python) that power our AI agents and the applications around them. Build integrations with EHR and health system platforms using FHIR, HL7, and vendor APIs, so messy systems look simple to the rest of the platform. Found on 1752vc Careers, the job board for startup and VC roles.

What they're looking for

  • 5+ years of experience building production backend systems in TypeScript/Node.js and/or Python
  • Strong API design skills (REST, webhooks, async processing), along with relational databases (PostgreSQL) and distributed systems fundamentals
  • Experience integrating third-party systems and handling rate limits, retries, and partial failures gracefully
  • Experience with cloud and containers (GCP preferred, Docker, Cloud Run or Kubernetes)
  • Comfort shipping frontend work when a feature calls for it
  • Curiosity about LLMs and agents. Experience building with them is a plus, and you'll get plenty of it here
More about this role

Ellipsis Health builds AI products that take on healthcare's staffing shortages and administrative burden, pairing conversational AI with our patented voice biomarker technology to help deliver better healthcare for everyone. Our voice agents talk with patients every day: booking and rescheduling appointments, answering billing questions, handling medication refills, and checking in after a hospital visit.

This role sits on our provider engineering team, building the platform that connects our agents to the EHRs, scheduling systems, and phone systems inside health systems, provider groups, and FQHCs. You'll work across the provider teams within Ellipsis, partnering with AI engineering, product, deployment, and customer teams to make every new health system go-live faster and more reliable than the last.

We're seeking a Senior Full Stack Engineer to build the backbone our AI agents rely on. An agent is only as good as the systems it can act on, and in this role you'll design the APIs, integrations, data model, and durable workflows that connect our agents to EHRs, scheduling systems, and phone systems inside some of the largest health systems in the country. The role leans backend...

Read the full posting on Ellipsis's site ↗

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