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Salary: USD 160,000 - 210,000 / annual
Ellipsis Health is building AI/ML products that address healthcare staffing challenges and administrative burdens using conversational AI and proprietary voice biomarker technology. We are seeking a Senior Backend Engineer to design, build, and scale the core systems powering our conversational AI platform.
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.
Key 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, including 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
Requirements:
- 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
