Senior Frontend Architect: React/Next.js & Design System

Genixbit; Greater London; Hybrid; GBP 90,000 - 140,000; Full time

Job summary

Genixbit is seeking a Senior Frontend Architect to lead the frontend architecture of our global SaaS web apps and enterprise dashboards. You will drive high-performance rendering and design system components, shaping glassmorphic UI state management.

You will architect micro-frontend patterns with React 19, Next.js, and TypeScript, maintain Tailwind CSS and Radix UI libraries, and optimize Core Web Vitals while mentoring the team and upholding strict code review standards.

Qualifications

• 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.

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

Modern JS tooling

Tools

Next.js App Router

Tailwind CSS

Zustand

SSR/ISR

Job description

Genixbit is seeking a Senior Frontend Architect to lead the frontend architecture of our global SaaS web apps and enterprise dashboards. You will drive high-performance rendering and design system components, shaping glassmorphic UI state management.

You will architect micro-frontend patterns with React 19, Next.js, and TypeScript, maintain Tailwind CSS and Radix UI libraries, and optimize Core Web Vitals while mentoring the team and upholding strict code review standards.