Lumimeds - Senior Frontend Engineer (Next.js & React, AI-Native) - Remote
Requirements
• Next.js Mastery: Expert-level knowledge of the App Router, Server Components (RSC), and sophisticated caching/streaming strategies. • The “Beautiful Web” Stack: Expert proficiency in Tailwind CSS and Framer Motion for fluid, high-end interfaces. • Performance Optimization: Proven track record optimizing bundle sizes, hydration cycles, and Lighthouse scores. • State Management: Expertise in TanStack Query (server state) and Zustand (client state). • LLM UI Patterns: Experience building streaming response UIs, chat interfaces, or AI-assisted input flows using OpenAI or Anthropic APIs. • Claude Agent Teams: Hands-on experience building and directing Claude agent teams using the Claude Agent SDK — from bulk component generation to automated visual regression and test coverage. You can design an agent pipeline, define subagent roles, and validate the output before it lands in production. • AI Dev Tooling: Daily active use of Cursor, GitHub Copilot, or equivalent. Strong opinions on how to use AI for component generation, refactoring, and test writing. • 3+ years of professional frontend engineering experience. • AI-Native Workflow: You can demonstrate concretely how AI has accelerated your frontend output. Examples or portfolio required. • The Dual-Threat Portfolio: Proven experience building both visually polished, high-traffic marketing sites and complex, data-driven SaaS applications. • Uncompromising Eye for Detail: You notice when spacing is off by 2px and care enough to fix it. Typography, micro-interactions, and motion are part of your craft. • High Agency: Ability to self-direct, operate in ambiguity, and make high-leverage frontend decisions without constant supervision. • Communication: Professional proficiency in English for technical documentation and cross-functional collaboration.
Responsibilities
• AI-Augmented Frontend Development: Use Cursor, Copilot, and LLMs as first-class tools to generate components, write tests, and iterate on UI logic at high velocity. Prompt quality is part of the craft. • Claude Agent Team Orchestration: Coordinate Claude agent teams via the Claude Agent SDK to execute parallelizable frontend work — generating component variants, writing test suites, auditing accessibility, and producing design-to-code translations at scale. You know how to structure agent prompts, verify outputs, and integrate agent-generated code into the production codebase reliably. • Aesthetic Engineering: Translate high-fidelity Figma designs into pixel-perfect, responsive experiences that hold visual integrity across all device sizes and breakpoints. • Performance Ownership: Own Core Web Vitals — optimize LCP, INP, and bundle size. Understand hydration, streaming SSR, and caching strategies at a deep level. • AI UI Integration: Build and maintain frontend interfaces that consume LLM outputs — streaming text, structured responses, tool-call results — in ways that feel fluid and reliable to end users. • State Architecture: Design resilient client-side state capable of handling real-time clinical data, optimistic updates, and complex form flows across the patient journey. • Compliance & Security: Ensure all interfaces meet HIPAA/SOC2 standards, with a focus on secure data handling, audit trails, and PII protection.
Benefits
• AI as Infrastructure: We don’t bolt AI on — it’s embedded in how we build. You’ll be encouraged and expected to use every tool available to ship faster and better. • Design-Forward Culture: We believe healthcare should be beautiful. You’ll have the technical freedom to build a premium brand experience without compromise. • Direct Impact: Fast, intuitive, and beautiful interfaces directly affect patient outcomes and provider efficiency.
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