UI Engineer

An award-winning trading and data infrastructure company is hiring a UI Engineer in Belfast. You'll design, build, and test highly performant front-ends using modern TypeScript, React, and in a collaborative Agile environment., * Build and maintain web UIs with TypeScript, React, and

• Use contract-first and test-first approaches (integration & unit tests)
• Work with Figma to wireframe and prototype interfaces
• Contribute to a mono-repo setup (NX / yarn workspaces)
• Collaborate across disciplines to refine features and improve UX
• Support an Agile, quality-first delivery culture
• Document components, decisions, and workflows

You'll work closely with cross-functional teams - designers, QAs, BAs, and back-end developers - to build user interfaces that solve real business problems at scale. Strong attention to detail, TDD skills, and a passion for quality user experiences are key., * 3+ years' commercial experience building web apps

• Strong React functional component knowledge
• Solid experience with integration/unit testing for UI
• Comfortable with Figma or similar wireframing tools
• Knowledge of contract-first or API-driven UI design
• Agile mindset and ability to work across the SDLC
• Familiarity with mono-repo tooling (NX, Yarn workspaces)

Nice-to-Have:

• or isomorphic framework experience
• Understanding of UX/accessibility principles
• Knowledge of AWS
• Strong TypeScript/JavaScript and good CSS fundamentals
• Comfortable using Git and JIRA
• Collaborative, T-shaped engineer who supports others' growth

Why This Team?

You'll be working with sharp engineers in a high-performing Agile team, building UIs that power global markets. The code you ship makes a real-world difference - and you'll have the space and support to do it right.

Skills: React Angular C# .NET AWS