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Freelance Mobile App Developer (iOS / Android)

1 day ago
Jamaica, Costa Rica, Uruguay, Ecuador
Part-time
Mid Level
Mobile Engineer
Mobile Development
Android Firebase Flutter iOS Jetpack Compose Kotlin React Native REST API Supabase Swift SwiftUI
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Description

  • Build mobile applications using React Native, Flutter, Swift, or Kotlin.
  • Design responsive mobile interfaces that follow iOS and Android platform conventions.
  • Integrate native device features such as camera, push notifications, location, storage, and biometrics.
  • Connect applications to backend APIs and manage offline state, caching, and synchronization.
  • Implement monetization features such as in-app purchases, ads, and subscriptions when needed.
  • Review, debug, optimize, and refactor code to improve correctness, performance, battery efficiency, and maintainability.
  • Debug platform-specific issues and prepare mobile builds for App Store and Google Play distribution.
  • Develop production-ready mobile features independently across the full mobile development lifecycle.

Requirements

  • At least 3 years of relevant experience in mobile app development.
  • Hands-on experience with at least one of React Native, Flutter, Swift/SwiftUI, or Kotlin/Jetpack Compose.
  • Solid understanding of mobile UI patterns, navigation, state management, and platform guidelines.
  • Experience integrating REST APIs, handling async data, and managing local storage.
  • Familiarity with native device APIs including notifications, camera, location, storage, and biometrics.
  • Experience with mobile build tools, code signing, and submission to App Store or Google Play.
  • Portfolio of shipped mobile apps is required, with App Store or Google Play links preferred.
  • English proficiency at Upper-intermediate (B2) level or above is required.
  • Bachelor's or Master's degree in Computer Science, Engineering, Information Technology, or a related technical field is a plus.
  • Experience implementing in-app purchases, ads, or subscriptions is a plus.
  • Familiarity with backend services such as Firebase, Supabase, or similar is a plus.

Benefits

  • Fully remote work with flexible scheduling.
  • Up to $30 per hour equivalent compensation.
  • Performance-based bonus programs.
  • Work on real-world technology projects with a global platform.
  • Estimated 10–20 hours per week during active project phases.

Interested in this position?

Apply directly on the company website

Apply Now

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