Freelance Mobile App Developer (iOS / Android)

Mindrift is a platform that connects specialists with innovative technology projects. Their mission is to help develop high-quality AI technologies by combining real-world expertise of professionals worldwide with advanced AI development efforts.

• At least 3 years of relevant experience in mobile app development.
• Hands-on experience with at least one of: React Native, Flutter, Swift/SwiftUI (iOS), or Kotlin/Jetpack Compose (Android).
• Solid understanding of mobile UI patterns, navigation, state management, and platform guidelines.
• Experience integrating REST APIs, handling asynchronous data, and managing local storage.
• Familiarity with native device APIs (notifications, camera, location, storage, biometrics).
• Experience with mobile build tools, code signing, and submission to the App Store and Google Play.
• Portfolio of shipped mobile apps (preferably with App Store or Google Play links).
• English proficiency at upper-intermediate (B2) level or above.

Nice to have:

• Bachelor's or Master's Degree in Computer Science, Engineering, Information Technology, or related fields.
• Experience implementing in-app purchases, ads, or subscriptions.
• Familiarity with backend services such as Firebase or Supabase.
• Strong attention to detail and commitment to performance, stability, and platform polish.
• Self-directed work ethic with ability to independently ship complete mobile features.

• Build mobile applications using React Native, Flutter, Swift (iOS), or Kotlin (Android).
• Implement responsive mobile UIs following platform conventions (iOS HIG, Material Design).
• Integrate native device features such as camera, push notifications, location, storage, and biometrics.
• Connect apps to backend APIs, handle offline state, caching, and synchronization.
• Implement monetization features like in-app purchases, ads, and subscriptions where required.
• Review, debug, optimize, and refactor mobile application code for correctness, performance, battery efficiency, and maintainability.
• Debug platform-specific issues and prepare builds for distribution via TestFlight and Play Console.