Senior Frontend Developer, React
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Job Description
Desenvolvedor(a) Mobile Sênior focado em React Native na Spread Tecnologia. Irá desenvolver e implementar funcionalidades em aplicações móveis.
Responsibilities:
- Develop and implement features for the card module using React Native, ensuring code quality, performance, and reusability.
- Collaborate with the Solutions Architect to define and apply architectural patterns, best practices, and scalable strategies for mobile development.
- Integrate RESTful and GraphQL APIs provided by the .NET BFF and corporate systems, ensuring efficient and secure communication.
- Continuously optimize app performance, including reducing bundle size, improving startup time, and optimizing memory, navigation, and animations.
- Ensure compatibility and consistent behavior across iOS and Android devices and OS versions.
- Participate in code reviews, providing clear and constructive feedback to raise the team's technical quality.
- Develop and execute unit, integration, and functional tests to ensure robustness and reliability of deliveries.
- Keep up with trends and developments in the React Native ecosystem, proposing continuous improvements and technological innovations.
Requirements:
- Proven experience as a Senior Mobile Developer or Specialist focused on React Native.
- Proficiency in TypeScript and JavaScript (ES6+).
- Strong knowledge of React 18 features and the New Architecture (Fabric/TurboModules).
- Advanced experience with state management using Redux Toolkit, Zustand/Jotai, React Query/TanStack, or Context API.
- Proficiency with navigation libraries such as React Navigation 6+ and Expo Router.
- Experience with React Native Reanimated and Gesture Handler for complex animations and interactions.
- Knowledge and application of architectural patterns (Flux, Clean Architecture) in mobile applications.
- Experience consuming and integrating back-end APIs (RESTful, GraphQL).
- Familiarity with development tools such as VS Code, Xcode, and Android Studio.
- Experience with mobile CI/CD pipelines (Fastlane, EAS Build, GitHub Actions, GitLab CI).
- Experience with testing tools (Jest, React Native Testing Library, Detox, Appium).
- Completed university degree (Bachelor's degree or equivalent).
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