Senior Backend Developer (NodeJS)

About Dodo

AI agents that handle communications for clinics

Tech

We use a modern TypeScript monorepo setup with a stack including Node.js, Express, Next.js, PostgreSQL, Redis, and Google Cloud. Our platform integrates advanced AI/ML (OpenAI, Groq, LangChain, LangGraph) for natural conversations, and leverages Twilio and WebRTC for telephony/SMS. We solve challenging problems in real-time communication, multi-tenant architecture, and AI-driven workflow automation through multi-agent systems.

The role

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** * Architect and build scalable backend services in Node.js and TypeScript * Design and integrate RESTful and GraphQL APIs (internal and third-party) * Develop and optimize real-time voice AI systems, including telephony (Twilio, WebRTC) and conversational agents * Contribute to the design and implementation of multi-agent AI systems for complex, stateful healthcare workflows * Work with LLMs and help shape our AI engineering frameworks (tool calling, retrieval, orchestration) * Optimize deployments and infrastructure on GCP (Kubernetes, containers) * Improve CI/CD pipelines (Cloud Build, GitHub Actions) * Collaborate with frontend, product, and AI teams to ship features fast * Champion best practices for performance, scalability, and security **What We’re Looking For** * 5+ years of backend experience with Node.js and TypeScript * 3+ years building real-time communication systems (WebRTC, WebSockets, or telephony) * Experience with voice AI, conversational agents, or multi-agent system architectures * Experience in healthcare software (HIPAA compliance) **or** deep real-time systems expertise (both is a plus) * Startup mindset: You thrive in fast-paced, high-ownership environments

Skills

• Bash/Shell
• Node.js
• TypeScript
• Next.js