Sr. Frontend 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.

Key Responsibilities
The Senior Frontend Engineer will lead the development of high-performance interfaces,
specifically focusing on scalable applications and AI-driven platforms.

● Core Development & Architecture:
○ Lead the development of scalable and dynamic front-end applications utilizing
React, Next.js, Svelte, and TypeScript.
○ Participate in architectural discussions and code reviews to ensure system
integrity.
○ Build reusable components and design systems, incorporating lightweight Lit.js
web components.

● Performance & Optimization:
○ Optimize front-end performance through SSR (Server-Side Rendering), code
splitting, lazy loading, hydration, and runtime optimization techniques.
○ Build accessible and responsive applications that ensure cross-browser and
cross-device compatibility.

● AI Collaboration & User Experience:
○ Collaborate closely with ML engineers, backend developers, and designers to
deliver intuitive, AI-powered user experiences.

● State Management & Quality Assurance:
○ Implement state management using libraries such as Redux, Vuex, Pinia, or
Svelte Stores.
○ Contribute to testing, documentation, and CI/CD automation to maintain high
code quality.
○ Mentor junior front-end engineers to foster team growth.

Required Skills & Qualifications
● 7+ years of front-end development experience with strong command over JavaScript
and TypeScript.
● Deep expertise in React, Node.js, 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 with cloud platforms (AWS).
● Good hands-on experience with AWS services like RDS, DynamoDB, SQS, SNS, Lambda,
Step Functions, EventBridge, EC2, ECS, etc.
● Experience designing user interfaces for AI/LLM platforms, AI chat UIs, or output
visualizations.
● Experience with web-based data visualization (D3.js, Chart.js, Recharts, or Plotly).
Educational Background:
● Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related
field.
Note: This is Hybrid role