Data Security Backend Engineer - Java/ UI Development

Citi
Full-time belfast, northern ireland IT & Technology
Posted:
June 11, 2026
Location:
belfast, northern ireland, United-Kingdom

Job Description

Responsibilities

  • Design, develop, and maintain high-quality, responsive, and performant user interfaces using TypeScript, React.js, and modern frontend technologies.
  • Implement state management solutions (e.g., Redux, Redux Toolkit) to ensure scalable and maintainable application state.
  • Collaborate with UI/UX designers, backend developers, and product owners to translate requirements into engaging and user-friendly web experiences.
  • Integrate frontend applications with various APIs and ensure seamless data flow and authentication (e.g., via OAuth-2 for SSO).
  • Develop reusable UI components and maintain a component storybook for consistency and efficiency across projects.
  • Ensure the technical feasibility of UI/UX designs and optimize applications for maximum speed and scalability.
  • Write comprehensive unit and integration tests for frontend components and applications.
  • Participate in code reviews, me...

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Job Overview

Job Type: Full-time
Location: belfast, United-Kingdom
Posted: June 11, 2026
Deadline: July 21, 2026