Senior Frontend Engineer

5 - 7 years

0 Lacs

Posted:5 days ago| Platform: Foundit logo

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Work Mode

On-site

Job Type

Full Time

Job Description

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

? 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.

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