Senior Frontend Architect — React + TypeScript Leader

Experis UK; Greater London; On-site; GBP 75,000 - 110,000; Full time

Job summary

Experis UK is seeking a Senior Frontend Developer to own a modern React and TypeScript application, influence architecture, and deliver accessible, scalable features. You will work with GraphQL, AWS Amplify, AppSync, and Vite, shaping engineering standards and collaborating with Product, Design, and Engineering teams.

The role emphasizes technical decision-making, high-quality code, and a strong user experience focus within a London-based, hybrid environment.

Qualifications

• Proficient in React and TypeScript for production-grade features.
• Experience with modern frontend architecture and design patterns.
• Familiar with build tools like Vite and frontend quality tooling.

Responsibilities

• Build and maintain React 18+ features in a TypeScript app.
• Design reusable components and scalable frontend architecture.
• Improve the build and development pipeline (Vite).
• Create responsive, accessible interfaces with CSS/Sass and component libraries.
• Integrate with GraphQL services, AWS Amplify, and AppSync.
• Implement i18n across the platform.
• Write tests with Vitest and Testing Library.
• Enhance performance and developer experience.
• Participate in code reviews and architectural discussions.
• Collaborate with Product, Design, and Engineering teams.

Skills

React

TypeScript

GraphQL

AWS Amplify

AppSync

i18n

Vitest

Testing Library

MSW

ESLint

CI/CD

Tools

Vite

Job description

Experis UK is seeking a Senior Frontend Developer to own a modern React and TypeScript application, influence architecture, and deliver accessible, scalable features. You will work with GraphQL, AWS Amplify, AppSync, and Vite, shaping engineering standards and collaborating with Product, Design, and Engineering teams.

The role emphasizes technical decision-making, high-quality code, and a strong user experience focus within a London-based, hybrid environment.