Senior React Front-End Developer

FCamara is looking for a Senior React Front-End Developer. Responsibilities and duties: - Design, develop, and maintain high-performance, scalable mobile applications with React Native and TypeScript - Collaborate with Product Design/UX teams to transform complex interfaces and workflows into intuitive, fluid, and accessible journeys - Ensure code quality through automated tests (unit, integration, and E2E), code reviews (PR reviews), and test coverage - Monitor production performance metrics (startup time, rendering, memory, crashes) and resolve bottlenecks - Support CI/CD, deployment, versioning, and pipelines for the App Store (iOS) and Google Play (Android) - Disseminate clean code standards and architecture, and support the technical development of mid-level and junior developers in the squad. Requirements and qualifications: - Solid experience with React Native in cross-platform mobile development on medium/large-scale projects - TypeScript, with strict typing in the React ecosystem - State management and caching: Redux Toolkit, Zustand, React Query/TanStack Query, or Context API - Consumption of RESTful APIs and/or GraphQL, secure error handling, authentication (OAuth, JWT), and offline-first/caching - iOS and Android mobile fundamentals: linking native libraries, manifests, permissions, CocoaPods, Gradle, and native dependency conflicts - Automated tests with Jest, React Native Testing Library, and related tools - Clean Architecture