Senior Full-Stack Engineer, Health AI & EHR Integrations

Ellipsis Health; New York (NY); Hybrid; USD 160,000 - 210,000; Full time

Benefits offered by this job

Equity

Health Insurance

401(k)

Job summary

Ellipsis Health seeks a Senior Full Stack Engineer to design and build the backbone for AI agents, connecting to EHRs, scheduling, and phone systems. You’ll own backend services, APIs, and durable workflows while also delivering UI when required, with a strong emphasis on reliability and observability.

You’ll ship major health system integrations from spec to go-live within three months, collaborate with AI engineering and product, and contribute to a platform trusted by large health systems

Qualifications

• 5+ years of experience building production backend systems in TypeScript/Node.js and/or Python.
• Strong API design skills (REST, webhooks, async processing), relational databases (PostgreSQL) and distributed systems fundamentals.
• Experience integrating third‑party systems with rate limits, retries and partial failures.
• Experience with cloud and containers (GCP preferred; Docker; Kubernetes).

Responsibilities

• Design, build, and operate backend services and APIs powering AI agents and their apps.
• Build integrations with EHR/health system platforms using FHIR/HL7 and vendor APIs.
• Develop agent tools: APIs and functions LLMs call for patient lookup, booking, and refills with reliability and observability.
• Scale durable workflows and job pipelines (Temporal, queues) for campaigns, scheduling, and reconciliation.
• Evolve architecture, data model, and persistence to onboard more health systems.
• Ship features across the stack, including React/TypeScript UI when needed.
• Own production, including CI/CD, monitoring, incident response, and HIPAA-grade security.

Skills

TypeScript/Node.js

Python

API design

PostgreSQL

Cloud & containers (GCP, Docker, K8s)

Job description

Ellipsis Health seeks a Senior Full Stack Engineer to design and build the backbone for AI agents, connecting to EHRs, scheduling, and phone systems. You’ll own backend services, APIs, and durable workflows while also delivering UI when required, with a strong emphasis on reliability and observability.

You’ll ship major health system integrations from spec to go-live within three months, collaborate with AI engineering and product, and contribute to a platform trusted by large health systems