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𝗡𝗲𝗲𝗱 𝗮 𝗿𝗲𝗹𝗶𝗮𝗯𝗹𝗲 𝗙𝗹𝘂𝘁𝘁𝗲𝗿 𝗲𝘅𝗽𝗲𝗿𝘁 𝘄𝗵𝗼 𝗱𝗲𝗹𝗶𝘃𝗲𝗿𝘀 𝗰𝗹𝗲𝗮𝗻, 𝘀𝗰𝗮𝗹𝗮𝗯𝗹𝗲 𝗶𝗢𝗦 & 𝗔𝗻𝗱𝗿𝗼𝗶𝗱 𝗮𝗽𝗽𝘀, 𝗼𝗻 𝘁𝗶𝗺𝗲 𝗮𝗻𝗱 𝘀𝘁𝗿𝗲𝘀𝘀-𝗳𝗿𝗲𝗲? I help startups and teams build modern, high-performance apps with stunning UI, solid architecture, and smooth launches. 𝗪𝗵𝘆 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗖𝗵𝗼𝗼𝘀𝗲 𝗠𝗲 1. 𝗣𝗿𝗼𝘃𝗲𝗻 𝘁𝗿𝗮𝗰𝗸 𝗿𝗲𝗰𝗼𝗿𝗱: 40+ production-ready apps built with Flutter & Firebase. 2. 𝗧𝗿𝘂𝘀𝘁𝗲𝗱 𝗴𝗹𝗼𝗯𝗮𝗹𝗹𝘆: 100% Job Success | Top Rated | $16K+ earned from long-term clients in the US & Europe. 3. 𝗘𝘅𝗽𝗲𝗿𝘁 𝗱𝗲𝗹𝗶𝘃𝗲𝗿𝘆: CI/CD automation, clean architecture, and reliable app store publishing. 4. 𝗦𝘁𝗿𝗼𝗻𝗴 𝗰𝗼𝗺𝗺𝘂𝗻𝗶𝗰𝗮𝘁𝗶𝗼𝗻: Regular updates, clear milestones, and proactive collaboration. 5. 𝗘𝗻𝗱-𝘁𝗼-𝗲𝗻𝗱 𝘀𝘂𝗽𝗽𝗼𝗿𝘁: From Figma design to post-launch maintenance. 𝗪𝗵𝗮𝘁 𝗜 𝗕𝘂𝗶𝗹𝗱 • Full-stack Flutter apps (iOS, Android, Web) • Firebase/Supabase-powered backends • Payment & subscription systems (Stripe, PayPal, In-App Purchases) • Social login & GraphQL/REST API integrations • Map-based apps (Google Maps, Mapbox, live tracking) • SaaS dashboards & internal business tools 𝗠𝘆 𝗧𝗲𝗰𝗵 𝗦𝘁𝗮𝗰𝗸 Flutter • Dart • Firebase • Supabase • GraphQL • Stripe • CI/CD (Codemagic, GitHub Actions) • Figma • Bitbucket • Jira 𝗟𝗲𝘁’𝘀 𝗖𝗼𝗹𝗹𝗮𝗯𝗼𝗿𝗮𝘁𝗲 I’m open to 𝗹𝗼𝗻𝗴-𝘁𝗲𝗿𝗺 𝗽𝗮𝗿𝘁𝗻𝗲𝗿𝘀𝗵𝗶𝗽𝘀 (𝟯+ 𝗺𝗼𝗻𝘁𝗵𝘀) and love working with teams who value clean code, great UX, and strong communication. 𝗦𝗵𝗮𝗿𝗲 𝘆𝗼𝘂𝗿 𝗽𝗿𝗼𝗷𝗲𝗰𝘁 𝗶𝗱𝗲𝗮 𝗼𝗿 𝗯𝗿𝗶𝗲𝗳, and I’ll reply within 2 hours with a clear plan and next steps. 𝗞𝗲𝘆𝘄𝗼𝗿𝗱𝘀 (𝗳𝗼𝗿 𝘃𝗶𝘀𝗶𝗯𝗶𝗹𝗶𝘁𝘆) Flutter Developer, Custom Flutter App Development, Cross-Platform App Development, Expert Flutter Developer, Flutter Firebase Developer, Flutter App Development, Flutter Web Developer, Expert Flutter App Developer, Responsive Flutter App Developer, Flutter State Management, Mobile App Development, Flutter Backend Solutions, Android & iOS Development, Flutter Dart Developer, Flutter Frontend Developer, Flutter Figma Conversion, Flutter Responsive Web App, Flutter Mobile App Developer. Flutter App Developer, Flutter Firebase, Flutter Web Development, Flutter Web App, Figma to Flutter, Experienced Flutter Developer, Expert Flutter Developer, Flutter APIs Integration, Flutter MVP Development, Flutter Bug Fix, Flutter App Development, Mobile App Developer, Flutter Android Developer, Flutter iOS Develop

Hi, I'm Jaydeep – a Top Rated Plus Web & Mobile App Developer for over 9 years of experience building high-performance mobile applications. I specialise in building iOS and Android mobile and web apps using modern hybrid frameworks such as: • Ionic + Capacitor • Cordova • React Native • React • Angular • Next.js • Vue Over the past 9+ years I have helped startups and businesses build scalable mobile and web apps used by thousands of users. My expertise includes: ✔ Mobile app development (iOS & Android) ✔ Converting web apps into mobile apps ✔ Pixel-perfect UI implementation ✔ Firebase / Firestore integration ✔ Push notifications (Firebase / OneSignal) ✔ Google Maps & location services ✔ REST API integrations ✔ App Store & Google Play deployment Why clients hire me: • Top Rated Plus freelancer • 100% Job Success • 7600+ hours worked • 70+ completed projects If you need a reliable developer to build or improve your mobile and web application, feel free to invite me to your project.

Senior Flutter engineer who built and scaled a cross-platform app from 0 to 600K+ downloads on iOS and Android. If you're building a mobile app — or scaling one that's already live — you get a developer who's actually done it, not someone learning on your budget. Most developers can build a screen. Far fewer have taken an app from zero to hundreds of thousands of users and kept it fast, stable, and reliable the entire way. That experience means fewer surprises for you: I already know where apps break at scale, so we avoid those problems instead of paying for them later. Apps I've built and scaled: A subscription delivery app (iOS & Android) I built and grew from 0 to 600K+ downloads — flexible subscriptions, in-app wallet, integrated payment gateways, and real-time order tracking. Result: a production app that handles real users and real money, daily. Its delivery-partner logistics app, used by 500+ drivers every day to manage routes, orders, and live status — proof I can build complete, multi-sided systems, not just a single app. Migrated a live healthcare app from native iOS/Android to Flutter with zero downtime — so the business kept running while the tech got better. Built real-time video consultation on Agora SDK for a regulated platform — complex, compliance-sensitive features done right. What this means for you: A new app built from scratch — clean, scalable, and ready for the App Store and Play Store An existing app made faster, more stable, and ready to grow The hard features handled: payments, subscriptions, push notifications, real-time/live tracking A smooth native-to-Flutter migration without disrupting your users One developer who owns the result end to end, so you're not stitching together freelancers How I work: Clear communication, predictable timelines, and updates you don't have to chase. I treat your app like a product I'm invested in — because stable, growing apps are how I've built my reputation. Top Rated, 100% Job Success. If you're serious about building or scaling a mobile app, send me a message with what you're working on. I'll reply with how I'd approach it — no obligation, just a clear plan.

I developed and optimized a production-level mobile application using React Native, handling both frontend and backend integrations as a full-stack developer. Problem: The app was slow, unstable, and had frequent crashes due to poor architecture and inefficient API handling. Solution: - Refactored the app using modern React Native architecture and TypeScript - Optimized API calls, caching, and state management - Integrated Firebase (Auth, Firestore, Push Notifications) - Fixed critical bugs and improved navigation performance - Implemented scalable and clean code structure Results: 🚀 Improved app performance by up to 40% 📉 Reduced crash rates by 25% ⚡ Faster load time and smoother user experience 🔒 Production-ready and stable app Tech Stack: React Native, TypeScript, Firebase, Redux, REST APIs My Role: Full-stack development, performance optimization, debugging, deployment support ⚡ Development Approach: I use AI-assisted workflows to speed up development and debugging while ensuring all code is manually reviewed, optimized, and production-ready.

"Top-Rated Flutter Developer | 5+ Years of Experience in Full-Stack Mobile App Development" 𝘼𝙧𝙚 𝙮𝙤𝙪 𝙡𝙤𝙤𝙠𝙞𝙣𝙜 𝙛𝙤𝙧 𝙖𝙣 𝙚𝙭𝙥𝙚𝙧𝙩 𝙙𝙚𝙫𝙚𝙡𝙤𝙥𝙚𝙧 𝙛𝙤𝙧 𝙮𝙤𝙪𝙧 𝙢𝙤𝙗𝙞𝙡𝙚 𝙖𝙥𝙥 𝙥𝙧𝙤𝙟𝙚𝙘𝙩? 𝙇𝙚𝙩𝙨 𝙬𝙤𝙧𝙠 𝙩𝙤𝙜𝙚𝙩𝙝𝙚𝙧 𝙩𝙤 𝙗𝙪𝙞𝙡𝙙 𝙩𝙝𝙚 𝙣𝙚𝙭𝙩 𝙗𝙞𝙜 𝙩𝙝𝙞𝙣𝙜! ⭐️ Come to me with just an idea or a full design. I'll quote and we'll chat about how I can bring this idea to reality. Hi, I'm Shreya and Welcome to my profile. :) 🎯 5+ Years of Experience in Flutter ✅ 100% Job Success Rate I am proud to be an Upwork Top Rated Freelancer, recognized for my outstanding performance and consistent success across both short- and long-term projects. ✅ Expertise in ♦ Flutter ♦ Android ♦ CSS ♦ JavaScript ♦ Node.js ♦ Payment integration: Stripe, Paypal, Apple Pay, Google Pay, Razorpay, Urway ♦ Firebase: Authentication, Cloud Functions, Messaging, Analytics, Dynamic Link, Storage, Remote Config ♦ Backend: Firebase, MongoDB, Node.js ♦ UI/UX Design: Figma, XD ♦ Social media features: Video/photo Feeds, Stories, Like, Comment section ♦ In app advertisement: Google Admob, Facebook. Applovin, Ironsource ♦ Converting design ideas into responsive, engaging & unique UI with animations Sectors I have Served: I have built applications for diverse industries, including: 📱 AI development app, Health and fitness app, IOT app, Food delivery app, On-demand App, Home services app, Handy man app, Salon app, Beauty app, Taxi app, Ride app, E-commerce app, Dating app, Travel app, Music streaming app, Video streaming app, Fintech app, Shopping app, Telemedicine app, Finance App, Real estate app, Social media app, Chat app, Business app, Messaging app, Online courses app, Online education learning app, Tutor app, Hotel booking app, Online grocery order app ✅ I will provide ♦ High-quality, bug-free apps that can scale to meet the demands of your users. ♦ Maintainable, clean, and scalable code. ♦ Pixel-perfect UI. ♦ Lifetime app maintenance and constant improvements. Are you ready to take your ideas and brands to the next level? I'll build more than your expectations, so come on and let's get connected! Let’s collaborate to bring your vision to life! Regards, Shreya Ambaliya. ✅ 𝐊𝐞𝐲𝐰𝐨𝐫𝐝𝐬: Flutter Developer | Flutter App Development | Cross-Platform Apps | Mobile App Development | iOS & Android Apps | BLoC / Riverpod / GetX | Firebase Integration | REST & GraphQL APIs | Payment Gateways | Push Notifications | Geolocation & Maps | Chat & Video Integration | E-Commerce Apps | FinTech Apps | Healthcare Apps | EdTech Apps | Social Media Apps | Startup MVPs | End-to-End App Development | UI/UX Design in Flutter | Scalable Mobile Solutions

🏆 Built a mobile app that was acquired by PaymentUS ⏱ 4000+ hours worked on Upwork ⬇️ 2M+ cumulative downloads across products 🌟 Top Rated Plus Freelancer 🎖 Expert in Native iOS & Cross-Platform Mobile App Development, Legacy App Modernization, and Long-Term Product Support using Swift, SwiftUI, UIKit, and Flutter. 🎖 Hello, I’m Sandeep, a Senior Mobile App Engineer with 8+ years of experience building and maintaining production-ready mobile applications across finance, health, fitness, e-commerce, and SaaS. 💡 Technical Stack: 📌 iOS: Swift, SwiftUI, UIKit, Combine, Auto Layout, Core Animation 📌 Cross-Platform: Flutter, Dart 📌 Architecture: MVVM, Clean Architecture, Modular Architecture 📌 Backend & APIs: REST APIs, JSON, Firebase, third-party SDK integrations 📌 Tools: Xcode, Git, Firebase, Fastlane 📌 Deployment: App Store, TestFlight, CI/CD basics 📌 Legacy Modernization: UIKit / old Swift → SwiftUI & modern scalable architectures 💡 Why Choose Me? ⚡ Proven Expertise: Delivered 35+ mobile apps with real users and business impact. ⚡ Product Thinking: I build apps that scale, not just features that ship. ⚡ Client-Centric Approach: Clear communication, realistic timelines, and full ownership. ⚡ Future-Proof Development: Clean, maintainable, and well-documented code. ⚡ Consistency: Reliable long-term support, not short-term delivery. 💡 𝗪𝗵𝗮𝘁 𝗜 𝗗𝗼 𝗕𝗲𝘀𝘁 (𝗔𝗻𝗱 𝗘𝗻𝗷𝗼𝘆 𝗦𝗼𝗹𝘃𝗶𝗻𝗴): 📌 Native iOS Development → Build and maintain high-performance iOS apps using Swift, SwiftUI, and UIKit. 📌 Flutter Development → Develop stable cross-platform apps with shared logic and native-level polish. 📌 Legacy App Modernization → Upgrade outdated iOS apps to modern SwiftUI / clean architectures for an iOS 26 experience. 📌 Performance Engineering → Fix crashes, memory leaks, UI lag, and improve overall app responsiveness. 📌 API Integration → Implement secure, scalable APIs that work smoothly with mobile applications. 💡 𝗪𝗵𝗼 𝗜’𝗺 𝗮 𝗚𝗼𝗼𝗱 𝗙𝗶𝘁 𝗙𝗼𝗿 🎯 Teams needing a senior iOS engineer who can take complete ownership of the app. 🎯 Startups building MVPs that must scale without future rewrites. 🎯 Companies with existing iOS apps needing SwiftUI migration, refactoring, or feature expansion. 🎯 Clients who value quality, reliability, and long-term collaboration over cheap shortcuts. 💡 𝗔𝘃𝗮𝗶𝗹𝗮𝗯𝗶𝗹𝗶𝘁𝘆 🟢 Available for part-time or full-time contracts 🟢 Reliable US / EU timezone overlap 💡 Let’s Work Together! 📌 Whether you’re building a new iOS app, modernizing an existing one, or need a dependable developer to own your product long-term — I’m here to help. Message me your project details, and I’ll reply in < 1 hour with a clear plan and honest recommendations. Thanks!!