Senior React Native Engineer - Mobile Architecture & Performance

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a ESPECIALISTA REACT NATIVE based in Brazil.

This is a senior mobile engineering opportunity focused on building and evolving high-quality cross-platform applications using React Native in a modern, fast-moving technology environment. The role plays a key part in shaping mobile architecture, improving performance, and ensuring seamless user experiences across iOS and Android ecosystems. You will collaborate closely with technical leaders, architects, and product teams to define scalable solutions and implement best practices across mobile development. The position requires a strong focus on performance optimization, code quality, and engineering excellence, as well as the ability to influence technical direction. Working in an agile and remote-first setup, you will contribute to impactful digital products used at scale. This is an opportunity to work on complex mobile challenges while continuously improving engineering standards and exploring innovations in the React Native ecosystem.

Accountabilities

• Develop and implement advanced mobile features using React Native, ensuring high performance, maintainability, and reusable code structures.
• Collaborate with architecture and engineering teams to define mobile standards, scalable design patterns, and technical best practices.
• Integrate mobile applications with RESTful and GraphQL APIs, ensuring secure, efficient, and reliable data communication.
• Optimize application performance across startup time, memory usage, animations, navigation, and bundle size.
• Ensure consistent behavior and compatibility across iOS and Android devices and versions.
• Participate actively in code reviews, promoting high-quality code and continuous technical improvement.
• Design and execute automated testing strategies including unit, integration, and end-to-end testing to ensure application stability.
• Support architectural evolution and contribute to technical solution design discussions.
• Investigate and resolve complex performance, stability, and scalability issues.
• Stay up to date with React Native ecosystem advancements and proactively propose improvements and innovations.
  
  

Requirements

• Proven experience as a Senior Mobile Developer or React Native Specialist working on complex applications.

Interested in remote work opportunities in Mobile? Discover Mobile Remote Jobs featuring exclusive positions from top companies that offer flexible work arrangements.

• Strong expertise in JavaScript (ES6+) and TypeScript.
• Deep knowledge of React 18 and React Native New Architecture (Fabric and TurboModules).
• Strong experience with state management solutions such as Redux Toolkit, Zustand, Jotai, React Query (TanStack Query), or Context API.
• Hands-on experience with React Navigation 6+ and/or Expo Router.
• Advanced knowledge of React Native Reanimated and Gesture Handler for animations and interactive UI development.
• Solid understanding of mobile architecture patterns such as Clean Architecture and scalable mobile design approaches.
• Experience integrating RESTful and GraphQL APIs.
• Familiarity with development tools such as VS Code, Xcode, and Android Studio.
• Experience with CI/CD pipelines for mobile applications using tools like Fastlane, EAS Build, GitHub Actions, or GitLab CI.
• Strong experience with automated testing frameworks such as Jest, React Native Testing Library, Detox, or Appium.
• Proficiency in Git version control and collaborative development workflows.
• Bachelor’s degree in Information Technology or related field.
• Strong analytical thinking, problem-solving ability, and attention to detail.
• Ability to work effectively in agile, remote, and collaborative environments.
  
  

Benefits

• Fully remote work model with flexibility depending on contract structure.
• Exposure to large-scale, high-impact mobile applications.
• Continuous learning and opportunity to work with modern React Native architectures.
• Collaborative and inclusive engineering culture.
• Participation in challenging technical projects with high complexity and visibility.
• Professional growth opportunities in a strong innovation-driven environment.
• Agile working environment (Scrum / Kanban methodologies).
• Opportunity to influence mobile architecture and technical standards.
  
  

How Jobgether Works

We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team.

We appreciate your interest and wish you the best!

Why Apply Through Jobgether?

Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.