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Freelance Mobile App Developer (iOS / Android)

14 hours, 47 minutes ago
Mexico, Argentina, Brazil, Chile, Peru, Colombia
Freelance
Junior
Mobile Engineer
Software Development
Android Firebase Flutter iOS Jetpack Compose Kotlin React Native REST API Supabase Swift SwiftUI
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Internet Software & Services
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Description

  • Build mobile applications using React Native, Flutter, Swift, or Kotlin.
  • Design responsive mobile UIs that follow iOS and Android platform conventions.
  • Integrate native device features such as camera, push notifications, location, storage, and biometrics.
  • Connect apps to backend APIs and manage offline state, caching, and synchronization.
  • Implement monetization features such as in-app purchases, ads, and subscriptions.
  • Review AI-generated mobile code and refactor it for correctness, performance, battery use, and maintainability.
  • Debug platform-specific issues and prepare app builds for distribution.
  • Collaborate with AI agents while providing mobile engineering judgment and quality control.

Requirements

  • At least 3 years of relevant mobile app development experience.
  • Bachelor's or Master's degree in Computer Science, Engineering, Information Technology, or a related technical field is a plus.
  • Hands-on experience with React Native, Flutter, Swift/SwiftUI, or Kotlin/Jetpack Compose.
  • Strong 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 such as notifications, camera, location, storage, and biometrics.
  • Experience with mobile build tools, code signing, and App Store / Google Play submission.
  • Experience with in-app purchases, ads, or subscriptions is a plus.
  • Familiarity with backend services such as Firebase or Supabase is a plus.
  • Portfolio of shipped mobile apps is required, with App Store / Google Play links preferred.
  • English proficiency at Upper-intermediate (B2) level or above is required.

Benefits

  • Fully remote work with a flexible schedule.
  • Part-time workload of about 10–20 hours per week during active phases.
  • Compensation of up to $30 per hour equivalent.
  • Performance-based bonus programs.
  • Opportunity to work in a hybrid human-and-AI environment.
  • Laptop-and-internet-based freelance setup.

Interested in this position?

Apply directly on the company website

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