Senior Backend Engineer, Core Services

Ellipsis Health is creating cutting-edge AI/ML products that solve healthcare staffing challenges and administrative burdens using conversational AI and our patented voice biomarker technology - helping deliver better healthcare for everyone.

We are seeking a Senior Backend Engineer to help design, build, and scale the core systems powering our conversational AI platform. In this role, you will work primarily on backend services and APIs, collaborating closely with AI/ML engineers, product managers, and other engineers to deliver secure, reliable, and performant solutions for the healthcare industry.

Ellipsis Health is located in the San Francisco Bay Area, but we are open to remote candidates within the United States.

Responsibilities

• Design, develop, and maintain end-to-end features across TypeScript-based backend services
• Architect and implement scalable APIs and microservices using TypeScript/Node to support conversational AI workflows and healthcare integrations
• Own services in production end-to-end, including deployment, monitoring, incident response, and continuous improvement of reliability and performance
• Lead the design and implementation of database schemas and data pipelines for structured and unstructured healthcare data
• Design and maintain secure integrations with healthcare systems, scheduling systems, and external platforms
• Implement and manage authentication and authorization across systems
• Integrate and manage identity and access management solutions such as Zitadel
• Ensure security, privacy, and compliance (HIPAA, FHIR, and related standards) across backend systems
• Optimize systems for performance, reliability, and scalability, supporting high-volume, real-time workloads
• Build and maintain CI/CD pipelines, infrastructure automation, and observability for production services
• Troubleshoot and resolve complex production issues; participate in on-call or production support rotations as needed
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