Frontend Software Engineer, UI Foundations - Confluent (React)

TL;DR

Frontend Software Engineer, UI Foundations - Confluent (React): Build and maintain core UI infrastructure, design system capabilities, and developer tooling for Confluent Cloud with an accent on frontend architecture, performance, and data-intensive web applications. Focus on designing scalable client-side foundations, integrating REST and GraphQL APIs, and building reliable automated testing and deployment workflows.

Location: Remote within the United Kingdom, with locations listed in London and Hursley, Hampshire. Some travel may be required based on business demand.

Company

IBM Watson develops enterprise software and cloud platforms that apply artificial intelligence, hybrid cloud, and data technologies to business operations.

What you will do

• Build and maintain core UI infrastructure using React and TypeScript.
• Contribute to the design system and frontend developer productivity tooling.
• Monitor and optimize UI performance and participate in frontend architecture decisions.
• Integrate client-side applications with REST and GraphQL APIs.
• Write unit tests with Jest and maintain end-to-end test suites with Playwright.
• Support daily production deployments using feature flags, commit-level environments, automation tools, and dependency-management bots.

Requirements

• Professional experience building web applications.
• Strong knowledge of modern JavaScript or TypeScript, HTML5, CSS, algorithms, and application design.
• Hands-on experience with React or an equivalent modern frontend framework.
• Experience with unit testing and end-to-end testing frameworks such as Jest and Playwright.
• Familiarity with frontend build tools including Webpack, Rspack, Babel, NPM, or Yarn.
• Bachelor’s degree required; experience with responsive client-side applications, continuous integration, deployment workflows, and web application builds.

Nice to have

• Hands-on experience or familiarity with Terraform for Infrastructure as Code.
• Master’s degree.

Culture & Benefits

• Remote work arrangement within the United Kingdom.
• Regular daytime schedule.
• Opportunities for continuous learning, career development, experimentation, and feedback.
• Collaborative environment focused on inclusion, trust, personal responsibility, and diverse perspectives.
• Equal-opportunity employment and compliance with applicable employment practices.