Lumimeds - Senior Full-Stack Engineer (Node.js & Next.js, AI-Native) - Remote
Requirements
• Backend & API: • Node.js & TypeScript: Strong command of async patterns, event-driven architecture, and runtime performance. • API Design: Proficiency in RESTful, GraphQL, and TypeSafe APIs (tRPC). • Database: Solid PostgreSQL fundamentals (joins, indexing, migrations) and Redis for caching. • Frontend: • Next.js & React: Working knowledge of App Router, Server Components (RSC), and client/server data flow. • State Management: Experience with TanStack Query, Zustand, or similar. • AI & Infrastructure: • LLM Integration: Hands-on experience integrating OpenAI or Anthropic APIs into production environments — streaming, tool use, structured outputs. • Claude Agent Teams: Demonstrated experience building and orchestrating Claude agent teams using the Claude Agent SDK. You know how to decompose a problem, spin up specialized subagents, manage inter-agent communication, and stitch outputs back into a reliable, production-ready result. • AI Dev Tooling: Daily active use of Cursor, GitHub Copilot, or equivalent. You have strong opinions about how to prompt effectively. • Cloud & DevOps: Familiarity with AWS (EC2, RDS, Lambda, S3), Vercel, and GitHub Actions. • 3+ years of professional software engineering experience. • AI-Native Workflow: You can demonstrate, concretely, how AI has changed the way you write and ship software. Portfolio or examples preferred. • Full-Stack Range: Comfortable moving between backend logic and frontend implementation without hand-holding. • High Agency: Ability to operate in ambiguous environments, self-direct, and make high-leverage decisions without constant supervision. • Communication: Professional proficiency in English for technical documentation and async collaboration.
Responsibilities
• AI-Augmented Development: Use Cursor, Copilot, and LLM APIs as first-class engineering tools — not as an afterthought. Generate, validate, and iterate on code at machine speed. • Claude Agent Team Orchestration: Design and operate teams of Claude agents to parallelize engineering work — breaking large tasks into agent- • executable subtasks, managing context handoffs between agents, and coordinating outputs into coherent, production-ready deliverables. This is a core competency, not a bonus. • Full-Stack Feature Ownership: Drive end-to-end delivery across Node.js backends and Next.js frontends, from schema design to production deployment. • LLM Product Integration: Build and iterate on AI-powered product features — prompt pipelines, RAG architectures, structured output parsing, and agentic workflows embedded into clinical and consumer interfaces. • Production Quality: Maintain high standards for API contracts, database schema migrations, CI/CD pipelines, and observability. AI-generated code is your code — you own its correctness. • Compliance & Security: Ensure all systems meet HIPAA/SOC2 standards, focusing on data encryption, audit logs, and PII protection.
Benefits
• AI as Infrastructure: We don’t treat AI as a feature — it’s woven into how we build, test, document, and ship. You’ll be in the right environment to go further than anywhere else. • High Complexity: Work on hard engineering problems involving real-time data, complex clinical state machines, and high-stakes reliability. • Direct Impact: Your code will directly affect patient outcomes and the efficiency of healthcare providers.
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