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

Mentor junior engineers and contribute to engineering best practices, code quality, and architectural standards

Stay current with emerging technologies and frameworks, applying them thoughtfully to improve product velocity and quality

Qualifications:

Bachelor's or Master's degree in Computer Science or equivalent practical experience

5+ years of professional experience building backend applications with strong TypeScript/JavaScript expertise

Strong proficiency in TypeScript/JavaScript and Node.js for backend and API development

Expertise in designing and consuming RESTful APIs and/or GraphQL

Solid understanding of microservices architectures, distributed systems, and system design

Hands-on experience with cloud platforms (AWS, GCP, or Azure) and containerized deployments (Docker, Kubernetes)

Strong database skills with SQL and NoSQL systems (e.g., PostgreSQL, MongoDB, DynamoDB)

Deep understanding of security best practices, authentication/authorization, and secure data handling

Experience building and maintaining CI/CD pipelines and production monitoring/alerting systems

Excellent collaboration and communication skills in cross-functional teams

Nice to Have:

Experience implementing role-based access control (RBAC) and fine-grained permission systems

Familiarity with identity providers and access management platforms such as Zitadel, Auth0, or similar

Familiarity with healthcare data standards such as FHIR and HL7

Experience with conversational AI, voice systems, or real-time systems

Prior experience working in health tech or other regulated industries

Experience building or operating large-scale distributed systems

Exposure to DevOps practices, infrastructure-as-code, or site reliability engineering concepts

Salary and Benefits

We offer competitive salary and benefits, including 401(k) matching, health, vision, and dental insurance, and very flexible paid time off.

The typical salary range for this role is $160,000 to $210,000 USD, depending on skills, qualifications, and relevant experience.

Background Checks

As a health technology company, we reserve the right to run background checks on candidates to whom we extend offers, in compliance with applicable laws. We evaluate candidates holistically and comply with all “ban the box” regulations.

Assistance

If you have a disability or require accommodations during the application or recruitment process, please contact [email protected].