Lead Developer - React Native (London Area)

React Native Technical Lead – Contract 6 Months – Inside IR35 2 days onsite in Chatham SC Cleared or SC Clearable Key Responsibilities Lead the design, development, and deployment of scalable mobile and web applications using React Native (Expo), React.js, and Node.js . Collaborate with product managers, designers, and cross-functional teams to define technical requirements and deliver robust, user-friendly solutions. Develop high-performing, reusable UI components based on design prototypes. Implement and integrate third-party services, libraries, and APIs. Set up new repositories/modules with appropriate package configurations based on project needs. Maintain and enhance existing applications by fixing bugs and implementing new features. Provide technical leadership and mentorship through architectural discussions, code reviews, and documentation. Work with native modules and optimize app performance across iOS and Android platforms. Contribute to app release cycles and deployments to the App Store and Google Play . Drive DevOps practices, including CI/CD , test automation, and infrastructure support. Lead post-production support and collaborate on ongoing improvements. Your Profile Essential Skills & Experience: Advanced proficiency in JavaScript (ES6+), React, and React Native (Expo) . Hands-on experience with state management tools (e.g., Redux, Context API). Familiarity with React-related technologies: React Hooks, React Navigation, Maps, Gestures, Axios/React Query, AsyncStorage, etc. Solid front-end skills with HTML5, CSS3, Responsive Web Design , and bundling tools. Strong understanding of UI/UX design principles for both iOS and Android. Knowledge of mobile architecture including Bridged and Bridgeless React Native patterns. Experience with Git-based workflows, peer code reviews, automated testing using JEST/React Testing Library , and CI/CD pipelines. Backend integration and experience with Node.js and third-party APIs. Experience addressing mobile-specific challenges: offline capabilities, real-time data, authentication, push notifications, Bluetooth, media handling , etc. Desirable: Familiarity with Firebase, MongoDB , or other databases. Accessibility implementation and testing using tools like NVDA/screen readers .