Senior Frontend Engineer Job at NorthBay

Senior Frontend Engineer

NorthBay

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Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

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.

Job Responsibility:

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

Requirements:

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

Nice to have:

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

Additional Information:

Job Posted:
December 26, 2025

Employment Type:

Fulltime

Work Type:

Remote work

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