Freelance Mobile App Developer (iOS / Android)

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Mindrift is looking for skilled <strong>Mobile App Developers (React Native, Flutter, Swift, or Kotlin)</strong> 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. 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.<br><br><strong>What We Do<br><br></strong>The Mindrift platform connects specialists with innovative technology projects. Our mission is to help develop high-quality AI technologies by combining real-world expertise from professionals across the globe with advanced AI development efforts.<br><br><strong>About The Role<br><br></strong>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.<br><br><strong>Key Responsibilities<br><br></strong><ul><li>Build mobile applications using React Native, Flutter, Swift (iOS), or Kotlin (Android)</li><li>Implement responsive mobile UIs that follow platform conventions (iOS HIG, Material Design)</li><li>Integrate native device features (camera, push notifications, location, storage, biometrics)</li><li>Connect apps to backend APIs, handle offline state, caching, and synchronization</li><li>Implement monetization features where required (in-app purchases, ads, subscriptions)</li><li>Review, debug, optimize, and refactor mobile application code to improve correctness, performance, battery efficiency, and maintainability</li><li>Debug platform-specific issues and prepare builds for distribution (TestFlight, Play Console)<br><br></li></ul><strong>Educational Qualifications<br><br></strong><ul><li>At least 3 years of relevant experience in mobile app development (required)</li><li>Bachelor's or Master's Degree in Computer Science, Engineering, Information Technology, or related technical fields is a plus<br><br></li></ul><em><strong>Academic and/or Professional Experience<br><br></strong></em>Candidates should have a strong foundation in mobile application development, platform-specific UI/UX patterns, and building stable, high-quality mobile experiences for iOS and Android. We are looking for specialists who can confidently work with native or cross-platform frameworks, integrate device APIs and backend services, and build production-ready mobile applications. Strong attention to detail, performance awareness, and the ability to work independently are essential.<br><br><strong>Technical Skills (Essential)<br><br></strong><ul><li>Hands-on experience with at least one of: React Native, Flutter, Swift/SwiftUI (iOS), or Kotlin/Jetpack Compose (Android)</li><li>Solid understanding of mobile UI patterns, navigation, state management, and platform guidelines</li><li>Experience integrating REST APIs, handling async data, and managing local storage</li><li>Familiarity with native device APIs (notifications, camera, location, storage, biometrics)</li><li>Experience with mobile build tools, code signing, and submission to App Store / Google Play</li><li>Experience implementing in-app purchases, ads, or subscriptions is a plus</li><li>Familiarity with backend services such as Firebase, Supabase, or similar is a plus<br><br></li></ul><strong>Additional Requirements<br><br></strong><ul><li>Strong attention to detail and commitment to performance, stability, and platform polish</li><li>Self-directed work ethic with the ability to ship complete mobile features independently</li><li>Portfolio of shipped mobile apps (required, with App Store / Google Play links preferred)</li><li>English proficiency: Upper-intermediate (B2) or above (required)<br><br></li></ul><strong>Project time expectations <br><br></strong>For this project, tasks are estimated to require around 10-20 hours per week during active phases, based on project requirements. This is an estimate, not a guaranteed workload, and applies only while the project is active.<br><br><strong>Compensation<br><br></strong>On this project, contributors can earn up to <strong>$60 per hour equivalent</strong>, depending on their level and pace of contribution.<br><br>Compensation varies across projects depending on scope, complexity, and required expertise. Please note that other projects on the platform may offer different earning levels based on their requirements.<br><br><strong>Why this freelance opportunity might be a great fit for you?<br><br></strong><ul><li>Work fully remote on your own schedule with just a laptop and stable internet connection. </li><li>Apply your expertise to real-world technology projects while gaining experience building high-quality solutions for a global platform. </li><li>Participate in performance-based bonus programs that reward high-quality work and consistent delivery</li></ul>

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