Senior Frontend Engineer - React 18+ & TypeScript

Experis - ManpowerGroup; Reading; On-site; GBP 70,000 - 90,000; Full time

Job summary

Experis - ManpowerGroup is seeking a Senior Frontend Developer to own a modern React and TypeScript platform, shaping its architecture and engineering standards. You will design and deliver high‑impact features, champion accessible UX, and collaborate with Product, Design, and Engineering to raise frontend quality across the stack.

Expect to work with React 18+, Vite tooling, Ant Design, SCSS, and services like AWS Amplify, AppSync and GraphQL while focusing on performance, testing (Vitest,

Qualifications

• Extensive experience with React and TypeScript.
• Strong experience with modern frontend tooling and architecture.
• Experience delivering accessible and responsive UI.
• Proficient with testing (Vitest, Testing Library, MSW).
• Familiarity with AWS Amplify, AppSync or GraphQL is a plus.

Responsibilities

• Design, build, and maintain high-quality features in a React 18+ and TypeScript application.
• Own and evolve Vite-based development and build tooling.
• Create reusable, scalable components and frontend architecture patterns.
• Deliver accessible, responsive user experiences using Ant Design and SCSS.
• Integrate with AWS Amplify, AppSync, and GraphQL services.
• Drive frontend performance, reliability, and maintainability improvements.
• Implement and maintain internationalisation (i18n) capabilities.
• Write robust unit and integration tests using Vitest, Testing Library, and MSW.
• Contribute to code quality standards and engineering best practices.

Skills

React

TypeScript

i18n

Unit tests

Performance optimization

Tools

Vite

Ant Design

SCSS

AWS Amplify

AppSync

GraphQL

Vitest

Testing Library

MSW

Job description

Experis - ManpowerGroup is seeking a Senior Frontend Developer to own a modern React and TypeScript platform, shaping its architecture and engineering standards. You will design and deliver high‑impact features, champion accessible UX, and collaborate with Product, Design, and Engineering to raise frontend quality across the stack.

Expect to work with React 18+, Vite tooling, Ant Design, SCSS, and services like AWS Amplify, AppSync and GraphQL while focusing on performance, testing (Vitest,