Salary: £30,000 - 60,000 per year Requirements: Strong commercial experience in frontend engineering using React and TypeScript Proven experience delivering and operating complex, production-grade UI systems Experience contributing to architectural and technical decision-making Deep understanding of performance optimisation and frontend scalability Experience with API design and integration Experience working within CI/CD environments Strong communication skills with the ability to influence across teams Nice to Have: Experience with WebGL Nice to Have: Experience working on data-intensive or security-focused platforms Responsibilities: Leading the design and development of scalable frontend systems using React and TypeScript Shaping frontend architecture and contributing to long-term technical direction Defining and influencing API schema design in collaboration with backend teams Reviewing code and designs to maintain high engineering standards Improving performance, scalability, and stability across complex UI components Driving best practices in testing, maintainability, and CI/CD Partnering closely with product and design to ensure strong user experience and aesthetic integrity Mentoring engineers and raising capability across the frontend team Technologies: API Backend CI/CD Cloud Frontend React Security TypeScript WebGL UX UI Design JavaScript More: We are a dedicated Frontend Engineering team based in Belfast, specializing in building complex, high-performance user interfaces for a cloud-native security platform. Our team owns the frontend architecture, API schema definition, and user experience standards. By joining us, you will have the opportunity to influence architectural decisions and shape standards while working on technically challenging products. We offer a flexible working environment and a range of benefits including a pension fund and medical aid. We are committed to fostering a culture of mentorship and professional growth. last updated 11 week of 2026