Senior Frontend Architect (React / Next.js)

GenixBit Labs Pvt. Ltd.; Greater London; Hybrid; GBP 90,000 - 130,000; Full time

Job summary

GenixBit Labs Pvt. Ltd. is seeking a Senior Frontend Architect to lead the architecture of our global SaaS web apps and enterprise dashboards. You will drive high-performance rendering, establish a glassmorphic UI, and guide design system components.

You will mentor frontend teams, shape micro-frontend architecture with React, Next.js, and TypeScript, and ensure robust, accessible interfaces built with Tailwind CSS and Radix UI, while optimizing Core Web Vitals and real-time state streaming.

Qualifications

• 5+ years of production React experience.
• Strong TypeScript and modern JS tooling.
• Expertise in Next.js App Router.
• Proven Tailwind CSS and Radix UI design system experience.
• Experience with SSR/ISR and performance optimization.
• Mentor frontend developers and enforce code reviews.

Responsibilities

• Architect micro-frontend architectures using React 19, Next.js, and TypeScript
• Maintain and expand our core Tailwind CSS & Radix UI accessible design system
• Optimize Core Web Vitals (LCP, INP, CLS) and real-time WebSocket state streaming
• Mentor frontend developers and establish strict code review quality gates

Skills

React

TypeScript

Next.js

Tailwind CSS

Zustand

Code reviews

Web performance

WebSockets

SSR/ISR strategies

Architecture

Tools

Next.js

Tailwind CSS

Radix UI

Job description

Senior Frontend Architect (React / Next.js)

About the Role

Lead the frontend architecture of our global SaaS web apps and enterprise dashboards. Drive high-performance rendering, design system component libraries, and glassmorphic UI state management.

Key Responsibilities

• Architect micro-frontend architectures using React 19, Next.js, and TypeScript
• Maintain and expand our core Tailwind CSS & Radix UI accessible design system
• Optimize Core Web Vitals (LCP, INP, CLS) and real-time WebSocket state streaming
• Mentor frontend developers and establish strict code review quality gates

Requirements

• 5+ years of production experience with React, TypeScript, and modern JS build tools
• Expertise in Next.js App Router, Tailwind CSS, Zustand, and SSR/ISR strategies