Senior React Native Developer, Brazil

You will play a crucial role in building modern, responsive user interfaces for a portal. As a Senior Frontend Developer, you will be responsible for architecting frontend solutions, mentoring junior developers, and ensuring exceptional user experience across web platform. Key Responsibilities: - Lead frontend architecture decisions and establish coding standards for React/TypeScript applications - Develop responsive, accessible web applications using Next.Js , TypeScript, and modern UI libraries - Build Progressive Web App (PWA) capabilities for user experience - Implement multi-language support (Portuguese-BR, Spanish-LATAM, English) using internationalization libraries - Design and develop reusable component libraries following design system principles - Integrate frontend applications with RESTful APIs and GraphQL endpoints - Implement complex state management using Redux Toolkit and React Query - Build advanced forms with dynamic field validation and conditional logic for insurance workflows - Develop data visualization components for dashboards, reports, and analytics (charts, loss triangles) - Implement role-based UI rendering and field-level permission controls - Optimize application performance including code splitting, lazy loading, and bundle optimization - Establish and maintain automated testing strategies (unit, integration, e2e testing) - Lead code reviews and mentor mid-level and junior frontend developers - Collaborate with UX/UI designers to implement pixel-perfect, user-friendly interfaces - Ensure cross-browser compatibility and mobile responsiveness across all supported devices - Implement security best practices including XSS prevention and secure authentication flows