1001 Freelance Projects -- Upgrade of flutterSenior Flutter + Native iOS/Android Developer

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Today is: 29-Oct-2025 08:58 GMT

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Project title:	Upgrade of flutterSenior Flutter + Native iOS/Android Developer
Posted by:	External project from PeoplePerHour
Started:	28-Jun-2025 10:03 GMT
Description:	Objective: We have a live Flutter app already in the App Store and Play Store. It works, it is tested, and it is stable. Due to SDK changes (Xcode 16, iOS SDK 18, and Android SDK 34), we need to: - Upgrade Flutter 3.7.12 to 3.32.x - Update all plugins (list provided) - Fix native build issues on iOS and Android Scope: Flutter: - Upgrade project to Flutter 3.32.x and latest Dart - Update 60+ dependencies to working versions (list provided) - Refactor deprecated APIs if needed iOS (Xcode 16, iOS SDK 18): - Fix Flutter/Flutter.h, modulemap, and use_frameworks! issues - Convert to xcframework format where required - Set minimum deployment to iOS 13 - Disable Bitcode - Ensure the app builds in Xcode 16 and uploads successfully to TestFlight, version 2.0 Android: - Set target SDK to 34 - Update Gradle and Kotlin versions - Ensure build works and signs properly for release Requirements: - Very senior Flutter developer with native Swift and Kotlin experience - Must be able to run and test builds for both platforms on macOS with Xcode 16 - Must know how to solve Flutter/Flutter.h issues, modulemap errors, Bitcode errors, and plugin incompatibilities - No juniors, no guesswork. This is a compatibility upgrade, not a learning project Validation: - Provide working release builds for both iOS and Android - Ensure the app uploads successfully to TestFlight version 2.0 - No new features. This is strictly an upgrade and fix task Timeline: Start: Immediately Expected delivery: 2-3 days maximum Only apply if you can commit and deliver at senior level All versions are attached and compared in the recommended csv file
Project ID:	3438337
Project category:
Project budget:
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