Freelance Mobile App Developer (iOS / Android)

Join the Tendem project as a freelance Mobile App Developer to build native and cross-platform mobile applications for real-world use cases. You'll apply your mobile engineering expertise to design, build, and refine mobile applications for iOS and Android.

What You Will Do

Build mobile applications using React Native, Flutter, Swift, or Kotlin, implement responsive mobile UIs, integrate native device features, and connect apps to backend APIs.

Why It Might Be a Fit

This part-time remote opportunity 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
• 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

• Part-time remote opportunity
• 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