Senior Frontend Developer

Senior Front-End Engineer

Job Summary

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.

Note :   This role requires relocation or flexibility to travel to Abu Dhabi (UAE) for periodic onsite client engagements (2 to 3 months).

Key Responsibilities

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.

Required Skills & Qualifications

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 .

Optional but Desirable (AI-Focused Skills)

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.