Senior Backend Engineer

About Steer Health Steer Health is the AI-native growth and automation platform for healthcare. Health systems, hospitals, and specialty medical groups use our platform to attract and convert patients, automate front-office and clinical workflows, and accelerate revenue. Our AI agents answer calls, book appointments, document visits, and close operational gaps around the clock, connected directly to the systems clinicians already use. The platform integrates with 36 EHRs, including direct Epic integration with SSO, and serves provider organizations nationwide, covering millions of patient lives. Steer Health is a KLAS Emerging Solutions Top 20 company, an athenahealth Marketplace certified partner, and winner of the 2026 Hearst Health Prize. The Role We are hiring a Senior Backend Engineer to design, build, and scale the core services behind our platform. You will work on event-driven pipelines that move clinical and operational data in real time, integrations with EHRs and third-party systems, and the backend infrastructure that powers our AI agents. This is a high-ownership role: you will take problems from architecture through production and operate what you ship. What You Will Do Design, build, and operate backend services and APIs in Node.js and TypeScript Architect and extend our event-driven systems on Kafka, including topic design, producers and consumers, stream processing, delivery guarantees, and back-pressure at scale Own MongoDB data modeling and performance, including schema design, indexing, aggregation pipelines, replication, and query optimization Build reliable, secure integrations with EHRs, healthcare data standards (FHIR, HL7), and third-party APIs Support AI agent workflows with fast, resilient backend services and real-time data pipelines Drive reliability and observability: monitoring, alerting, load testing, incident response, and postmortems Handle PHI responsibly and uphold HIPAA-grade security practices across every service you touch Raise the engineering bar through design docs, code reviews, and mentoring Must-Have Qualifications 5+ years of backend engineering experience with clear senior-level ownership of production systems Expert-level Node.js and TypeScript in production environments Hands-on experience designing and operating Kafka-based eventing architectures Deep MongoDB experience at scale, including schema design, indexing strategy, and performance tuning A track record of building and scaling systems at a high-growth or high-traffic company Strong API design fundamentals and disciplined habits around testing, code quality, and documentation Strongly Preferred Healthcare or health tech background, including EHR integrations, FHIR or HL7, HIPAA, and PHI handling Experience at a high-scaling technology company where reliability and throughput were mission critical Nice to Have Cloud infrastructure experience (AWS preferred), Docker, and Kubernetes Redis or other caching and search layers Exposure to LLM or AI product pipelines Early-stage startup experience and comfort with ambiguity Our Stack Node.js, TypeScript, Kafka, and MongoDB, with Next.js on the front end and a purpose-built eventing engine at the core of the platform. Why Join Steer Health Build AI that measurably improves how patients access and receive care, at real scale High ownership and direct access to the founding team; your work ships fast and matters Award-winning product with strong market momentum Competitive salary, equity, and benefits Steer Health is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all