Senior Backend Developer (NodeJS)

We’re a reimagining how specialty clinics operate through advanced voice AI and multi-agent systems. Our platform powers intelligent, real-time phone and SMS conversations for healthcare, blending state-of-the-art AI with secure, scalable backend infrastructure. Join a small, ambitious team where your work directly shapes the future of patient engagement and care delivery.

What You’ll Do

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Architect and build scalable backend services in Node.js and TypeScript

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Design and integrate RESTful and GraphQL APIs (internal and third-party)

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Develop and optimize real-time voice AI systems, including telephony (Twilio, WebRTC) and conversational agents

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Contribute to the design and implementation of multi-agent AI systems for complex, stateful healthcare workflows

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Work with LLMs and help shape our AI engineering frameworks (tool calling, retrieval, orchestration)

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Optimize deployments and infrastructure on GCP (Kubernetes, containers)

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Improve CI/CD pipelines (Cloud Build, GitHub Actions)

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Collaborate with frontend, product, and AI teams to ship features fast

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Champion best practices for performance, scalability, and security

What We’re Looking For

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5+ years of backend experience with Node.js and TypeScript

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3+ years building real-time communication systems (WebRTC, WebSockets, or telephony)

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Experience with voice AI, conversational agents, or multi-agent system architectures

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Experience in healthcare software (HIPAA compliance) or deep real-time systems expertise (both is a plus)

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Startup mindset: You thrive in fast-paced, high-ownership environments