Freelance Mobile App Developer (iOS / Android)

This is a freelance role for a Tendem project. As a Mobile App Developer, you'll design, build, and refine mobile applications across categories such as utilities, fitness/wellness, games, productivity, delivery, and content apps — for iOS, Android, or both, using native or cross-platform frameworks.

What You Will Do

Build mobile applications using React Native, Flutter, Swift (iOS), or Kotlin (Android). Implement responsive mobile UIs that follow platform conventions (iOS HIG, Material Design). Integrate native device features (camera, push notifications, location, storage, biometrics).

Why It Might Be a Fit

Work fully remote on your own schedule with just a laptop and stable internet connection. Apply your expertise to real-world technology projects while gaining experience building high-quality solutions for a global platform.

Requirements

• At least 3 years of relevant experience in mobile app development
• Bachelor's or Master's Degree in Computer Science, Engineering, Information Technology, or related technical fields
• Strong foundation in mobile application development, platform-specific UI/UX patterns, and building stable, high-quality mobile experiences for iOS and Android
• 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 async 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 App Store / Google Play
• Portfolio of shipped mobile apps (required, with App Store / Google Play links preferred)
• English proficiency: Upper-intermediate (B2) or above

Benefits

• Earn up to $60 per hour equivalent
• Performance-based bonus programs that reward high-quality work and consistent delivery
• Work fully remote on your own schedule with just a laptop and stable internet connection