Frontend Engineer - UI Foundations & Design Systems

IBM; Hursley; On-site; GBP 60,000 - 90,000; Full time

Job summary

IBM is seeking a Frontend Software Engineer to join the UI Foundations team. You will build core UI infrastructure using TypeScript and React, contribute to the Design System, and optimize UI performance.

You will connect client-side apps to REST and GraphQL APIs, write unit tests with Jest, and develop E2E tests with Playwright. You will participate in CI/CD, feature flags, and automated testing environments, applying modern frontend tooling like Webpack/Rspack and Babel.

Qualifications

• Professional software development experience building web apps.
• Strong foundation in JavaScript/TypeScript, HTML5, CSS.
• Hands-on React experience (or similar) and Jest.
• Playwright for end-to-end testing.
• Familiarity with modern frontend build tools (Webpack, Rspack, Babel).
• Experience connecting to REST and GraphQL APIs.

Responsibilities

• Build and maintain core UI infrastructure with TypeScript and React.
• Contribute to Design System and tooling to boost frontend efficiency.
• Monitor and optimize UI performance; participate in frontend decisions.

Skills

TypeScript

React

Frontend architecture

Jest

Playwright

CI/CD

REST APIs

GraphQL

Webpack

Rspack

Babel

NPM/Yarn

Terraform IaC

Tools

Webpack

Rspack

Babel

NPM

Yarn

Job description

IBM is seeking a Frontend Software Engineer to join the UI Foundations team. You will build core UI infrastructure using TypeScript and React, contribute to the Design System, and optimize UI performance.

You will connect client-side apps to REST and GraphQL APIs, write unit tests with Jest, and develop E2E tests with Playwright. You will participate in CI/CD, feature flags, and automated testing environments, applying modern frontend tooling like Webpack/Rspack and Babel.