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Senior Flutter Developer and FlutterFlow App Developer with 5+ years of experience. 💎 FlutterFlow Expert and FlutterFlow Partner Recognised by 𝐅𝐥𝐮𝐭𝐭𝐞𝐫𝐅𝐥𝐨𝐰 🤝 Certified FlutterFlow Developer & Flutter Developer 🎊 Upwork Top 1% of 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: -.-. .-. .. - .. -.-. .- .-.. ---... / .-. . -.-. --- -- -- . -. -.. / - .... .. ... / .--. .-. --- ..-. .. .-.. . / .- ... / - .... . / - --- .--. / ... . .- .-. -.-. .... / ..-. --- .-. / ..-. .-.. ..- - - . .-. / --- .-. / ..-. .-.. ..- - - . .-. ..-. .-.. --- .--

Android Engineer with 7+ years building production-grade fintech, banking, and consumer apps. I pioneered the first WebSocket + Protobuf implementation on Android , and engineered Paging 3 pagination and Gradle Version Catalogs optimization reducing build configuration duplication by 30% across 10 modules. What I bring to your project: Native Android (Kotlin + Jetpack Compose) — full feature development, UI from Figma, Clean Architecture, MVVM, and modular design. I ship fast without cutting corners. Fintech & Banking expertise — transaction flows, secure authentication, real-time data (WebSocket, Protobuf), payment SDK integration (GoPay, chip/server-based), and Play Billing. I understand compliance-critical environments. Flutter cross-platform — built full apps with BLoC, Dio, and Modular architecture. Delivered AI-integrated chat, attendance systems, and tourism apps from scratch. Performance & stability — RecyclerView/Paging 3 optimization, StrictMode profiling, scroll performance fixes, crash reduction, and background service management. SDK & integrations — Firebase (Auth, FCM, Firestore, Analytics, Crashlytics), Google Maps, SSO, REST/Retrofit, Room, and third-party SDK onboarding. Key achievements from production apps: - Improved task completion speed 20% by revamping UI - Reduced Gradle build duplication 30% - Cut critical bug backlog 40% , extending product lifecycle - Built AR virtual makeup try-on app with 25% latency reduction - Delivered payment SDK integrated I work async-first, communicate proactively, and treat every codebase like it's my own. 100% Job Success on Upwork across all completed contracts. Ready to discuss your project — share your idea or existing codebase and I'll propose a practical plan.

⚡ Available for iOS Development Senior iOS Developer with 8+ years of experience building high-performance, production-ready apps — 30+ shipped apps with 500K+ downloads across health-tech, logistics, and e-commerce. I focus on clean architecture, smooth UX, and scalable code that's easy to maintain and extend. 📌 Selected Work: - Built iOS app with 500K+ downloads - Delivered subscription-based platform used by international users (US & EU) - Developed logistics app with real-time tracking and complex feature set - Shipped health & fitness app with personalized user experiences 📱 iOS Development Expertise: - Swift, SwiftUI, UIKit — native iPhone & iPad apps - Clean Architecture, MVVM, VIPER — scalable & maintainable code - REST API & Firebase integration - Payments: StoreKit 2, RevenueCat, Stripe, Apple Pay - Unit Testing (XCTest), UI Testing, CI/CD (Bitrise, Jenkins) - BLE, camera, GPS, push notifications, real-time features - App Store submission & performance optimization ⭐ Why clients choose me: - Top Rated with 100% Job Success Score - Strong focus on performance, UX, and clean architecture - Fast communication & reliable delivery - Experience working with international teams (US & EU) If you need an iOS developer who ships clean, performant apps that users actually enjoy — let's build something great. Specializations: iOS Development · SwiftUI Expert · AI Mobile Apps · LLM / OpenAI Integration · MVP Development · Health & Fitness Apps · Subscription Apps (StoreKit 2) · Firebase Backend · Scalable Mobile Architecture · REST & GraphQL APIs · BLE Integration · App Store Optimization · SaaS Mobile Apps

Passionate Android Developer, RPA Developer, and Python Scraping Specialist with 4 years of experience in Software Development and Reverse Engineering. Skilled in reverse engineering APIs and Android applications, with strong expertise in tools such as Frida, JADX, and Ghidra. Adept at uncovering system logic, bypassing protections, and delivering efficient automation solutions.

Hi, I'm Yuda, a Software Developer with over 5 years of experience building high-quality mobile applications for Android, iOS, and Hybrid platforms. I specialize in creating user-friendly, aesthetically pleasing mobile apps while maintaining a strong focus on performance and functionality. My expertise includes Android app development, building APIs for mobile apps, CI/CD implementation, and integrating with third-party APIs. Additionally, I am skilled in working with both SQL and NoSQL databases, ensuring efficient and scalable app performance. I prioritize clear communication with clients and always ensure timely delivery of every project. Quality and aesthetics are crucial to me, and I am committed to delivering the best results that meet client expectations. If you're looking for a mobile app developer who can deliver precise, high-quality, and on-time solutions, I am here to help. Feel free to reach out to discuss how I can help bring your app idea to life!

What I Offer - Custom Mobile App Development for Android (Kotlin/Java), Flutter, and iOS (SwiftUI) - Clean Architecture & Scalable Codebases using MVVM, MVI, MVP, or Clean Architecture - Smooth API Integration with Retrofit, OkHttp, Ktor, and Firebase - Modern UI/UX Implementation using Jetpack Compose or traditional XML, based on designs from Figma or Sketch - App Optimization for performance, battery usage, and responsiveness - Agile Collaboration using tools like GitHub, Jira, ClickUp, Trello, and Slack Why Choose Me? - Proven Experience: 8+ years in Android native dev, including Kotlin, and Flutter for cross-platform. - Problem Solver: I don’t just write code — I solve problems and think about your product holistically. - On-Time & Within Budget: I respect deadlines and deliver quality without surprises. - Strong Communicator: Transparent, proactive, and always keeping you in the loop. - Client Satisfaction: Committed to long-term success and happy to support your app post-launch. Let’s Build Something Awesome Got an idea? Need help improving your existing app? Let’s collaborate and bring your mobile product to life. Click the “Invite” button or send me a message — I’m ready to get started!