Our client, an international manufacturing group with its own development hub in Cairo, is looking for a senior external React developer who can design and deliver modern, accessible and production-ready web components, establish sound front-end engineering practices and coach other developers. Role and engagement model Act as the senior React engineering specialist within a cross-functional platform team. Own front-end solution components from technical design through implementation, testing, deployment and stabilization. Provide practical guidance on architecture, code quality, reusable patterns and integration with Microsoft cloud services. Key responsibilities Design and build responsive React applications and reusable component libraries using TypeScript. Apply modern React patterns including functional components, hooks, state management and modular architecture. Integrate front ends with REST APIs and Microsoft services using secure authentication and authorization patterns. Implement automated unit, component and end-to-end tests and support quality gates in CI/CD pipelines. Optimize applications for accessibility, browser compatibility, performance, observability and maintainability. Conduct code reviews, identify technical debt and guide sustainable remediation. Collaborate with UX, architects, backend developers and business stakeholders. Create concise technical documentation and transfer knowledge to internal developers. React engineering React · TypeScript · Hooks · State management · Component design Web quality Accessibility · Responsive UI · Testing · Performance · Security Integration & delivery REST APIs · Entra ID · Az ure · Git · Az ure DevOps · CI/CD