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Mobile Developer (React Native)

A specialist in creating high-performance, cross-platform mobile applications for iOS and Android using the React Native framework, focusing on fluid user experiences and rich, responsive interfaces.

TechnologyHigh Demand

LATAM Salaries

2026-06-22
🇧🇷 Brasil (BRL)R$ 12.00022.000
🇲🇽 México (MXN)$ 55,00095,000

Key Responsibilities

  • Develop and maintain high-quality applications for iOS and Android using React Native and TypeScript.
  • Collaborate with product, UX/UI, and backend teams to define, design, and ship new features.
  • Write clean, testable, and maintainable code, and actively participate in code reviews.
  • Diagnose and fix bugs and performance bottlenecks to ensure an optimized user experience.
  • Integrate third-party APIs and create native modules (bridges) when necessary to extend application functionalities.

Requirements & Skills

Solid experience with React Native, JavaScript/TypeScript, and the React ecosystem (Hooks, Context API).Proficiency with state management libraries such as Redux Toolkit, Zustand, or MobX.Knowledge of native development (Kotlin/Java for Android, Swift/Objective-C for iOS) for debugging and bridging.Experience with RESTful APIs and/or GraphQL, and build tools like Fastlane.Strong problem-solving skills and excellent communication for working within agile methodologies.

Day in the Life

A typical day starts with a quick daily stand-up meeting to sync with the team on progress and blockers. Most of the day is spent coding new features in TypeScript and React Native, using tools like VS Code and the iOS/Android simulators. The work involves constant collaboration with designers to ensure UI fidelity and with backend engineers to define API contracts. The afternoon might include a code review session, where you give and receive feedback on pull requests, helping to maintain high code quality. Occasionally, you will investigate complex bugs or work on performance optimization, using tools like Flipper or the native profiler.

Career Path

Mobile Development Intern
Junior Mobile Developer
Mid-Level Mobile Developer
Senior Mobile Developer
Mobile Tech Lead / Mobile Solutions Architect

Top Tools

React NativeTypeScriptExpoXcodeAndroid StudioJestFastlaneGraphQL (Apollo Client)
NEXUS AI

Interview Questions

Our AI analyzes over 10,000 resumes to suggest the best behavioral and technical questions for this role:

1
Describe a performance challenge you faced in a React Native app. How did you identify the bottleneck, and what steps did you take to resolve it?
2
Explain the difference between React Native's old architecture (Bridge) and its new architecture (JSI, Fabric, TurboModules). What are the main benefits of the new architecture?
3
How do you approach state management in a complex React Native application? Discuss the pros and cons of a library you have used, such as Redux or Zustand.

Frequently Asked Questions

Do I need to know native development (Kotlin/Swift) to be a React Native developer?

While not strictly mandatory to get started, having a solid understanding of native development is a significant advantage. It is crucial for debugging complex issues, optimizing performance, and, most importantly, creating custom native modules (bridging) that are not available as third-party packages.

Is React Native a good career choice for the future?

Yes, React Native remains an excellent career choice. Its 'write once, run anywhere' philosophy is highly attractive to companies looking to reduce development costs and time-to-market. The framework is constantly evolving with major performance improvements (like the New Architecture), ensuring its relevance and demand in the mobile development landscape.

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