Freelance Mobile App Developer (iOS / Android)

We are looking for skilled Mobile App Developers to join the Tendem project and build native and cross-platform mobile applications for real-world use cases. In this role, you'll apply your mobile engineering expertise to build stable, performant, and user-friendly applications for iOS and Android.

What You Will Do

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.

Why It Might Be a Fit

This freelance role is ideal for professionals with hands-on experience shipping iOS and/or Android apps, working with platform APIs, and handling the full mobile development lifecycle.

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 is a plus
• 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 (required)

Benefits

• 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
• Participate in performance-based bonus programs that reward high-quality work and consistent delivery
• Earn up to $60 per hour equivalent, depending on your level and pace of contribution