NorthBay is seeking a Senior Front-End Engineer with deep expertise in JavaScript and modern front-end frameworks including React, Vue.js (Nuxt3), Next.js, and Svelte. The role involves building high-performance, responsive interfaces for AI-driven platforms, focusing on clean design, maintainability, and seamless user experience. Familiarity with Nest.js for backend integration and Lit.js for reusable web components is a strong plus. Experience working with AI interface platforms (e.g., OpenWebUI) is highly desirable.
Lead the development of scalable and dynamic front-end applications using React, Vue.js (Nuxt3), Next.js, Svelte, and TypeScript.
Build reusable components and design systems, including lightweight Lit.js web components.
Optimize front-end performance through SSR, code splitting, lazy loading, hydration, and runtime optimization.
Collaborate closely with ML engineers, backend developers, and designers to deliver intuitive, AI-powered user experiences.
Work with state management libraries like Redux, Vuex, Pinia, or Svelte Stores.
Build accessible and responsive applications that are cross-browser and cross-device compatible.
Contribute to testing, documentation, and CI/CD automation to maintain high code quality.
Participate in architectural discussions, code reviews, and mentor junior front-end engineers.
5+ years of front-end development experience with strong command over JavaScript and TypeScript.
Deep expertise in React, Vue.js (Nuxt3), Next.js, and Svelte.
Strong knowledge of responsive design, accessibility (WCAG), and front-end performance optimization.
Experience with Lit.js for building modular and reusable UI components.
Familiarity with Git workflows, modern CI/CD pipelines, and build tools like Vite, Webpack, or Rollup.
Experience designing user interfaces for AI/LLM platforms, AI chat UIs, or output visualizations.
Hands-on knowledge of OpenWebUI or similar LLM-based interface platforms.
Integration experience with AI APIs (OpenAI, Hugging Face, Cohere) and handling real-time model output.
Familiarity with Transformers.js, LangChain.js, WebLLM, or token-based interaction flows.
Experience with web-based data visualization (D3.js, Chart.js, Recharts, or Plotly).
Understanding of prompt chaining, model latency, and front-end considerations for AI workflows.
