React UI Developer | Hybrid (3 days WFO) | London | 12 Month Contract We’re seeking an experienced React UI Developer to join our London-based team on a 12 month hybrid contract. You’ll work on building modern, high-performance user interfaces for trading and carbon credit management systems in a fast-paced enterprise environment. Key Skills React 18, TypeScript, JavaScript (ES6) Vite, SCSS/Sass, RESTful API Integration Azure MSAL, SignalR, AG Grid / DevExpress / Telerik Jest, React Testing Library, Git, CI/CD Responsibilities Develop scalable and responsive web applications using React 18 and TypeScript Build interactive dashboards and data grids with enterprise UI libraries (AG Grid, DevExpress, etc.) Implement secure authentication using Azure MSAL (Microsoft Authentication Library) Create real-time features with SignalR for live trading and reporting updates Integrate with REST APIs using Axios and generated API clients (Orval) Develop clean, maintainable, and well-tested code following best practices Collaborate with designers and backend developers to deliver seamless user experiences Preferred Experience Azure Cloud and deployment pipelines Blazor (WebAssembly/Server) knowledge – highly desirable Experience with data visualization and reporting dashboards Understanding of accessibility (WCAG) standards Exposure to energy trading, carbon markets, or environmental compliance systems Qualifications Bachelor’s degree (or equivalent experience) 8 years of experience in modern front-end development Location: London (Hybrid – 3 days WFO) ⏳ Contract Duration: 12 months