Salary: £90,000 - 90,000 per year Requirements: Expert-level React skills, including component architecture, hooks, state management, and performance tuning. Strong UI engineering experience with a focus on usability, interaction design, and polished user experience. Deep technical capability in data visualisation libraries (D3.js highly valued). Proven success in building responsive, scalable, and robust front-end solutions in complex environments. Experience working across multiple products or platforms simultaneously. Ability to transform complex datasets into intuitive, meaningful visual insights. Confidence to provide technical leadership and contribute to wider front-end strategy. Responsibilities: Take ownership of UI and frontend implementation across several product lines, focusing on React and modern component architecture. Build interactive, high-performance data visualisation experiences using libraries such as D3.js, ECharts, or similar. Develop and evolve the UI for a developer homepage with 50,000 active users, ensuring it is intuitive, responsive, and visually compelling. Set technical standards for UI engineering - component structure, state management, performance optimisation, accessibility, and design systems. Collaborate closely with UX designers, product managers, data engineers, and platform teams. Mentor and guide other engineers while remaining hands-on with coding, reviews, and architectural decisions. Technologies: D3 Frontend React UX UI Design JavaScript More: We are a global technology organization looking for a Lead UI / React Data Visualisation Engineer to join our innovative team. This is a standout opportunity to design and build visual experiences used by 50,000 global developers daily. We offer a major impact role with clear growth and progression opportunities in a supportive environment. You will have the chance to lead architecture and decision-making across multiple products, enjoy flexible hybrid working, and benefit from excellent perks. last updated 13 week of 2026