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Mobile App Developer experienced in building cross platform and native apps, from UI implementation to API integration and local persistence. 🚀 Languages and architecture approaches: ✅ Flutter / Dart - State management: BLoC, Riverpod, Provider, GetX - Architecture: Clean Architecture (layered data, domain, presentation) on multiple projects - Design Pattern: MVVM - Local DB: Drift (Moor) - Networking: Dio, http, Retrofit - Local storage: GetStorage, Hive - Backend services: Firebase Realtime Database, Firebase Storage, Supabase - Maps and location: Google Maps, Places Autocomplete - On device ML: Google ML Kit Text Recognition (OCR) - Brief: I build Flutter apps ranging from task managers and movie apps to map based ride booking flows and OCR based utilities. ✅ Android (Kotlin) - Design pattern: MVVM - Architecture: Clean Architecture (modular separation) - Dependency injection: Koin - Networking: Retrofit, OkHttp - Async: Coroutines, Flow - SQL database: Room (plus SQLite) - Security hardening: SQLCipher, certificate pinning (OkHttp) - Brief: I build Android apps with production grade patterns, including modular architecture, secure local storage, and reactive data streams. ✅ iOS (Swift) - UI: SwiftUI, UIKit - Design Pattern: MVVM, VIPER - Local persistence: SwiftData, CoreData, UserDefault - Apple Framework: AVFoundation, VisionKit, CoreMotion, CoreML, Apple Foundation Model, Family Control, DeviceActivity, WidgetKit. - Brief: I build SwiftUI based iOS apps with local persistence and modern Apple platform conventions. ✅ Cross cutting integration strengths - REST API consumption from mobile apps - Firebase first delivery when speed and reliability matter - Camera, OCR, maps, and real world device features integration - Brief: I am comfortable shipping feature heavy mobile apps that combine UI, async data, and device capabilities.

Senior Flutter Developer and FlutterFlow App Developer with 5+ years of experience. 💎 FlutterFlow Expert Recognised by 𝐅𝐥𝐮𝐭𝐭𝐞𝐫𝐅𝐥𝐨𝐰 🤝 Certified FlutterFlow Developer & Flutter Developer 🎊 Upwork Top 1% of Flutter & FlutterFlow Developer As a Flutter Developer, I specialize in Flutter Development, helping startups and businesses create and scale mobile apps in Flutter, from MVPs to complex production systems. I also work as a Full Stack Developer Flutter, handling both frontend and backend integration for complete solutions. 🏆 MVP Success Real outcomes from products I’ve helped ship: ✔ FlutterFlow MVP that secured $160K seed funding ✔ FlutterFlow + Flutter app with 10,000+ active users 💡 Flutter Development Expertise ✔ End-to-end Flutter Development for scalable products ✔ Building modern mobile apps in Flutter with clean architecture ✔ Strong experience as a Flutter App Developer and Flutter Developer ✔ Advanced Firebase Flutter integration (Auth, Firestore, FCM, Crashlytics) ✔ Experience as a FlutterFlow Developer for rapid MVP delivery ✔ State management: BLoC, Provider, Riverpod ✔ API integration and backend connectivity I focus on delivering mobile apps in Flutter that are stable, maintainable, and optimized for growth. 🔧 Flutter App Development & Enhancement As a Flutter Developer, I don’t just build apps — I also specialize in: ✔ Enhancement of Flutter app performance and architecture ✔ Refactoring and scaling existing Flutter apps ✔ Fixing issues and improving stability in Flutter Development projects ✔ Adding new features and integrations to existing mobile apps in Flutter Whether you need a new Flutter App Developer or support with enhancement of Flutter app, I can help. ⚙️ Full Stack Flutter Development As a Full Stack Developer Flutter, I provide: ✔ Backend integration (Node.js, Firebase, APIs) ✔ Scalable Firebase Flutter solutions ✔ Real-time features and cloud integrations ✔ Payments, notifications, and analytics My experience in Full Stack Flutter Development ensures your mobile app in Flutter is fully functional and production-ready. 🔥 Why Work With Me ✔ 5+ years as a Mobile App Developer & Flutter Developer ✔ Strong expertise in Flutter Development and mobile apps in Flutter ✔ Deep experience with Firebase Flutter and backend systems ✔ Proven track record as a Flutter App Developer ✔ Experience as a FlutterFlow Developer for fast delivery ✔ Focus on enhancement of Flutter app performance and scalability 📩 Let’s Build Your Flutter App let’s connect and discuss your project 🚀 ----- Native Android App Developer, iOS App Developer, Cross-Platform Flutter App Developer, Top Flutter Developer, React Native, Hire Best MERN Stack Developer, RESTful API Developer, API Integration, Frontend Developer, React.js, Backend Developer, Nodejs, Javascript, Figma, UI/UX Design, Prototype, In-app purchases, Location, Payment Gateway Integration, Apple Xcode, Android Studio, Push notifications, User authentication, User profile creation, QA, Unit Testing, Regression Testing, Dating App, Ecommerce App, Ride Booking App, 3rd Party SDK Integration, SQLite, MySQL, Firebase Cloud Firestore, Realtime Database, Kotlin, Swift, Java, Dart, SwiftUI, Twilio, Mapbox, HealthKit, Google Analytics, Amazon Web Services, DigitalOcean, Core Data, UIKit, MapKit, Phone, Full Stack Developer, iPad, OpenAI ChatGPT LLM, ChatGPT API Integration, FlutterFlow Certified, Expert, Top recommended. morse code: -.-. .-. .. - .. -.-. .- .-.. ---... / .-. . -.-. --- -- -- . -. -.. / - .... .. ... / .--. .-. --- ..-. .. .-.. . / .- ... / - .... . / - --- .--. / ... . .- .-. -.-. .... / ..-. --- .-. / ..-. .-.. ..- - - . .-. / --- .-. / ..-. .-.. ..- - - . .-. ..-. .-.. --- .--

Most clients who contact me are trying to build or improve a mobile app but struggle with unfinished codebases or developers who only focus on features instead of the complete product. I help businesses turn ideas into polished, scalable Flutter applications with clean architecture, reliable backend integration, and AI-powered experiences. 𝗙𝗹𝘂𝘁𝘁𝗲𝗿 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 • 𝗔𝗜 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 𝗦𝗽𝗲𝗰𝗶𝗮𝗹𝗶𝘀𝘁 • 𝗙𝗶𝗿𝗲𝗯𝗮𝘀𝗲 𝗘𝘅𝗽𝗲𝗿𝘁 • 𝟓+ 𝗬𝗲𝗮𝗿𝘀 𝗼𝗳 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 • 𝗧𝗿𝘂𝘀𝘁𝗲𝗱 𝗯𝘆 𝗦𝘁𝗮𝗿𝘁𝘂𝗽𝘀 𝗮𝗻𝗱 𝐈𝐧𝐝𝐢𝐯𝐢𝐝𝐮𝐚𝐥 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 Over the past few years, I've worked with startups, businesses, and language education companies to build production-ready mobile applications used by real customers. My primary focus is Flutter, but I also design backend solutions and integrate modern AI services to create smarter products. 📱 𝗠𝗢𝗕𝗜𝗟𝗘 𝗔𝗣𝗣 𝗗𝗘𝗩𝗘𝗟𝗢𝗣𝗠𝗘𝗡𝗧 I build high-performance cross-platform applications for Android and iOS using Flutter, with maintainable architecture and scalable codebases. ▸ Flutter – Cross-platform development, responsive UI, state management, animations, custom widgets, clean architecture, performance optimization. ▸ Firebase – Authentication, Cloud Firestore, Realtime Database, Cloud Functions, Cloud Storage, Remote Config, Analytics, Crashlytics, Cloud Messaging. ▸ Backend Integration – REST APIs, JSON serialization, authentication flows, secure networking, file uploads, and third-party SDK integration. ▸ App Deployment – Google Play Store and App Store releases, environment configuration, build automation, and production support. Every project is built with maintainability, scalability, and long-term product growth in mind. 🤖 𝗔𝗜 𝗜𝗡𝗧𝗘𝗚𝗥𝗔𝗧𝗜𝗢𝗡 I bringing AI capabilities into mobile applications that create meaningful user experiences. ▸ OpenAI – Chat assistants, structured outputs, content generation, summarization, translation, and intelligent workflows. ▸ ElevenLabs – Voice generation and speech experiences. ▸ SpeechAce – Pronunciation assessment and language learning features. ▸ AI-Powered Features – Chatbots, transcription, language learning assistants, text processing, and personalized user interactions. My goal is to make AI feel like a natural part of the product instead of an isolated feature. 🎓 𝗠𝗬 𝗕𝗘𝗦𝗧 𝗪𝗢𝗥𝗞 - 𝗟𝗔𝗡𝗚𝗨𝗔𝗚𝗘 𝗟𝗘𝗔𝗥𝗡𝗜𝗡𝗚 𝗔𝗣𝗣𝗟𝗜𝗖𝗔𝗧𝗜𝗢𝗡𝗦 For the past three years, I've worked full-time at Instytut Lingwistyki developing the LingoMouse, a language learning application for an education company serving Polish users. My experience includes: ▸ Interactive language exercises ▸ Audio recording and pronunciation assessment ▸ AI-assisted learning features ▸ Progress tracking and gamification ▸ Subscription systems and premium content ▸ Performance optimization for large-scale educational platforms This background allows me to understand both the technical and product challenges involved in building engaging learning experiences. 🛠 𝗧𝗘𝗖𝗛𝗡𝗢𝗟𝗢𝗚𝗬 𝗦𝗧𝗔𝗖𝗞 ▸ Flutter & Dart ▸ FlutterFlow ▸ Firebase ▸ Supabase ▸ OpenAI APIs ▸ ElevenLabs ▸ SpeechAce ▸ RevenueCat ▸ Google Maps SDK ▸ Agora ▸ OneSignal ▸ Codemagic CI/CD ▸ Figma ▸ Postman ▸ Git & GitHub ▸ REST APIs Whether you need an MVP or a production-ready application, I can help design the architecture and implement features that scale. ✅ 𝗪𝗛𝗬 𝗖𝗟𝗜𝗘𝗡𝗧𝗦 𝗪𝗢𝗥𝗞 𝗪𝗜𝗧𝗛 𝗠𝗘 ▸ Strong specialization in Flutter and mobile-first development ▸ Experience delivering commercial applications for international clients ▸ Practical expertise integrating AI into real products ▸ Clean, maintainable, and scalable code ▸ Clear communication and transparent project updates ▸ Focus on long-term reliability rather than quick fixes 🤝 𝗟𝗘𝗧'𝗦 𝗪𝗢𝗥𝗞 𝗧𝗢𝗚𝗘𝗧𝗛𝗘𝗥 If you're building a Flutter app, adding AI capabilities, modernizing an existing codebase, or launching a new mobile product, send me a brief description of your project. I'll review your requirements and recommend the most practical technical approach to achieve your goals.

🚀 Ready to turn your mobile app ideas into reality? Or perhaps you need a powerful solution to tackle a business challenge with a custom mobile app? Let’s make it happen together! 💡 👋🏼😁 Let’s Get Acquainted: Hi, I'm Rafi, a dedicated Mobile App Developer with over 3 years of experience in crafting robust, user-friendly applications using Flutter and Kotlin. I specialize in creating clean, maintainable, and scalable apps with beautiful UIs that perfectly align with the unique needs of my clients. 🫡🌟 Why Choose Me? What You Will Get? ✅ Cutting-edge development aligned with industry standards ✅ End-to-end app design, from initial sketches to full prototypes ✅ Affordable rates paired with outstanding value ✅ Ongoing maintenance, including updates, bug fixes, and user experience enhancements ✅ Transparent and open communication every step of the way ✅ Strategic guidance to refine and elevate your product vision 🧑🏼‍💻📱 Technical Proficiency: ✅ Programming Language & Framework: Dart, Flutter, Kotlin, Android Native ✅ State Management: GetX, Provider, BLoC ✅ Database Management: Firebase, Supabase, SQL (MySQL, PosgreSQL, Sqflite) ✅ API Integration: RESTful, Google Authentication, Unity Game Engine, GenAI (Gemini & ChatGPT) ✅ Project Management Tool: Jira, Trello, Notion ✅ Version Control System: GitHub 🧑🏼‍💻📱 Industrial Proficiency: ✅ Education (Learning Platform) ✅ Automotive (Vehicle Condition Monitoring) ✅ Sport (IoT-Powered Workout Counter) ✅ Human-Resource (Attendance and Employee Performance Monitoring) ✅ E-Commerce (E-Commerce Platform for Tailor) 🔑🔍Keywords: Flutter, Flutter App Development, Android, Android App Development, Mobile App Development, Mobile App, Dart, Kotlin, Firebase, Supabase, REST API, RESTful API, Provider, GetX, BLoC, User Interface Design, User Experience Design, UI/UX Design, UI Slicing, Agile, State Management, Git, GitHub, Jira, Trello, JSON, SQL, NoSQL, MySQL, PostgreSQL, Sqflite, Cloud Firestore, Firebase Authentication, Google Maps API, Push Notifications, MVVM, API Integration, Continuous Integration, Version Control, Debugging, Problem-Solving, Material Design, Responsive Design.

Software Engineer with 4+ years of experience building mobile, web, AI-powered, and game applications for startups and businesses. 🏆 Top 10% FlutterFlow Developer on Upwork 📜 Certified FlutterFlow Developer My software development journey began in 2022 with web development using PHP, JavaScript, and HTML. Since then, I have expanded into game development with Unity and Godot, and currently specialize in Flutter and FlutterFlow, helping businesses transform ideas into scalable, production-ready applications. I have worked on projects across multiple industries, including government document processing, AI-powered content generation, marketing analytics, personal development platforms, and game development solutions. 💡 Expertise ✔ Flutter & FlutterFlow Development ✔ AI Integration & Custom AI Workflows ✔ Firebase (Authentication, Firestore, Cloud Messaging, Analytics) ✔ REST API Integration ✔ Mobile App Architecture & Performance Optimization ✔ MVP Development for Startups ✔ Web Development (PHP & JavaScript) ✔ Unity & Godot Game Development 🚀 Project Experience ✔ Developed a Flutter application for digital document and certificate management, streamlining user access to essential government-related services. ✔ Built an AI-powered application that enables users to create game concepts and content through natural language prompts and custom AI workflows. ✔ Developed a marketing monitoring platform that provides business insights through an intuitive and user-friendly mobile experience. ✔ Contributed to a personal development platform powered by AI that generates personalized routines, affirmations, and growth-focused content based on user goals and behavior. 🛠 Technologies Flutter • FlutterFlow • Dart • Firebase • REST APIs • AI Integration • PHP • JavaScript • MySQL • Unity • Godot • Git 🤝 What I Bring I focus on building scalable, maintainable, and user-friendly applications that help businesses launch faster and grow confidently. Whether it's developing an MVP, integrating AI capabilities, improving an existing application, or building a product from scratch, I aim to deliver solutions that create measurable value for both businesses and users. 📩 Open to Flutter, FlutterFlow, Mobile App Development, AI Integration, and Startup Product Development opportunities.

Complete mobile applications built and delivered using SwiftUI for refined native iOS experiences and Flutter for cross-platform development across iOS and Android. Full ownership of the development lifecycle, including architecture, implementation, testing, and release to the App Store and Google Play. ✅ Flutter Development Languages and frameworks Flutter and Dart - State management: BLoC, Riverpod, Provider, and GetX - Architecture: Clean Architecture with data, domain, and presentation layers - Design patterns: MVVM and feature-first modular organization Data and networking - REST API integration using Dio, http, and Retrofit - Local databases using Drift and SQLite - Local storage using Hive and GetStorage - Authentication and backend integration using Firebase and Supabase - Firebase Realtime Database and Firebase Storage Device capabilities - Google Maps integration - Google Places Autocomplete - Camera-based features - On-device text recognition using Google ML Kit OCR ✅ Native iOS Development Languages and UI frameworks - Swift - SwiftUI - UIKit - MVVM and Clean Architecture Local persistence - SwiftData - Core Data - UserDefaults Apple frameworks and device integration - AVFoundation - VisionKit - Core Motion - Core ML - Foundation Models - Family Controls - Device Activity - WidgetKit 🔗 Integration and Delivery - Converting Figma or product requirements into responsive mobile interfaces - Integrating REST APIs, authentication, and backend services - Structuring scalable applications with Clean Architecture and MVVM - Managing asynchronous data, loading states, validation, and errors - Implementing Firebase-first solutions when rapid MVP delivery matters - Working with Supabase for authentication, databases, storage, and backend workflows - Integrating cameras, OCR, maps, machine learning, and native device features - Debugging existing Flutter and Swift codebases - Refactoring prototypes into cleaner and more maintainable architectures - Collaborating through Git, GitHub, pull requests, and structured development workflows