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$15/hr
100%
Job Success
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Hi, I am a highly skilled senior developer with 7+ years of experience in the IT industry. I specialize in mobile development (Flutter, FlutterFlow, React Native, iOS, Android). I strive to create applications with seamless and intuitive user experiences. I've successfully deployed more than 70 projects in the market.
🏅TOP RATED PLUS💎
🏅7+ years of experience💎
🏅Certified Experts in Flutter/FlutterFlow 💎
🏅 Recognised as the most active member on the FlutterFlow platform in 2023 and 2025💎
🛠 Technical Expertise:
📱 Mobile Development: Flutter, FlutterFlow, Dart, React Native, Swift, iOS, Android
🌐 Web Development: Next.js, React.js, Vue.js, Node.js, Express, Redux Toolkit, Context API
🔥 Firebase: Real-time Database, Firestore, Authentication
☁️ Cloud Services: AWS, GoogleCloud, Azure, Docker
🗂 Database Management: MySQL, MongoDB, PostgreSQL
🛠 DevOps Tools: Git, Docker, Jenkins
✨ Key Skills:
🎨 Front-End Development: Pixel-perfect design and responsive interfaces.
🌍 Cross-Platform Development: Expertise in developing apps for both iOS and Android.
🔗 API Integration: Seamless communication between front-end and back-end.
🚀 Deployment: Managing app and website deployment on various cloud platforms.
Industry Experience:
🛒 eCommerce
💻 EdTech
🩺 Health Care (Teleconsultation)
🏦 FinTech
🛵 On-Demand (Food Delivery, Grocery Delivery)
🔋 Electric Vehicle (EV Charge Booking, eScooter Sharing)
It is my business to develop your business.
Let's work together to bring your vision to life or take your project to the next level!
Thank You
Domnic L.
has worked
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$15/hr
100%
Job Success
$10K+ earned
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I am a mobile app developer with a focus on Android & Flutter. I started with native Java code and now focus more heavily on Flutter. My latest project Epilepsy Conclave 2019 applications on Android and iOS using Flutter.
As Flutter developer I’m experienced with: Dart lang, RxDart, working with HTTP in Flutter, Firebase Framework (Core, Auth, Database, Storage, Messaging), effectively scale UI according to different screen sizes, localization of the app, GoogleMaps and working with location, SharedPreferences, Share via other apps, and pdf viewer.
Umeshbhai L.
has worked
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$35/hr
100%
Job Success
$9K+ earned
Available now
Offers consultations
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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.
Mayank T.
has worked
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$7/hr
100%
Job Success
$100+ earned
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⭐ 5+ years of hands-on experience in Flutter & cross-platform mobile development
⭐ Expert in FlutterFlow, Firebase, REST APIs, and scalable app architecture
⭐ Proven experience building production-ready iOS & Android apps
⭐ Clear communication, clean code, and on-time delivery
⭐ Long-term client relationships with high satisfaction
I am Sher Ali, a Senior Flutter Developer specializing in Flutter and FlutterFlow for iOS and Android applications. I build high-performance, scalable, and user-friendly mobile apps tailored to business needs. I work with startups, agencies, and businesses to turn ideas into production-ready solutions. My focus goes beyond coding to ensure clean architecture, reliability, and long-term scalability. I follow best practices to deliver maintainable and future-proof applications. Clear communication and on-time delivery are always my top priorities.
What I Can Help You With
✅ Flutter mobile app development (Android & iOS)
✅ FlutterFlow app development & customization
✅ Firebase (Auth, Firestore, Realtime DB, Cloud Functions)
✅ REST API & third-party API integrations
✅ UI/UX implementation from Figma / Adobe XD
✅ App performance optimization & bug fixing
✅ App publishing (Google Play Store & Apple App Store)
✅ Existing app improvements & feature enhancements
Why Clients Choose Me
✔ Clean, well-structured, and scalable code
✔ Regular updates & transparent communication
✔ Strong problem-solving and attention to detail
✔ Business-focused development (not just coding)
✔ Reliable support even after project completion
I understand deadlines, budgets, and business goals—and I work accordingly.
Technologies I Work With
• Flutter & Dart
• FlutterFlow
• Firebase (Auth, Firestore, FCM)
• REST APIs & JSON
• Supabase
• Git & GitHub
• Figma → Flutter UI
• MVC / MVVM / Clean Architecture
If you’re looking for a reliable Flutter expert who delivers quality work with clear communication, feel free to message me.
I’m happy to discuss your idea, review your app, or help you scale your product.
✅ Let’s build something great together!
Sher Ali K.
has worked
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$30/hr
100%
Job Success
$5K+ earned
Available now
Offers consultations
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You’re looking for someone who can take a Figma file and turn it into a working, deployed product without the back-and-forth of separate designers and developers.
That’s exactly what I do.
I’m a Full-Stack Designer & Developer with 100+ successful projects on Upwork (Top Rated, 100% JSS). I design in Figma and build in React, Next.js, Flutter, and Node.js — handling the entire product lifecycle in one engagement.
What that means for you:
→ No “lost in translation” between design and dev
→ Faster delivery — design and code happen in parallel
→ One point of contact who understands both UX and architecture
Recent work: e-commerce platforms processing thousands of transactions, mobile apps with 10,000+ downloads, SaaS dashboards for enterprise clients, and MVPs that helped startups raise funding.
Tech stack: Figma · React.js · Next.js · Flutter · React Native · Node.js · Firebase · AWS · WordPress · Shopify
If you need a landing page, web app, mobile app, SaaS platform, or MVP. let’s talk. I’m available now and can start this week.
$25/hr
100%
Job Success
$1K+ earned
Offers consultations
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Passionate Flutter Developer with over 5 years of experience in crafting innovative, user-friendly mobile applications using Flutter and Node.js (TypeScript). Specializing in clean UI design, performance optimization, and seamless API integration for enhanced functionality. Proven track record of delivering high-performance apps across iOS and Android platforms. Continuously researching and implementing new technologies to offer cutting-edge solutions to clients. Committed to creating impactful, top-quality mobile experiences that drive user engagement and satisfaction.
Abeniezer K.
has worked
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$30/hr
100%
Job Success
Available now
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Top Rated Flutter app developer with 100% Job Success 24 mobile apps
delivered on Upwork for iOS and Android, including AI-powered apps with
ChatGPT and OpenAI integration.
If you need a mobile app that actually ships to the App Store and Play
Store, not a half-finished codebase — that's exactly what I do.
WHAT I BUILD:
● Cross-platform mobile apps with Flutter — one codebase, iOS + Android
● AI-powered features: chatbots, image recognition, voice, and LLM
integrations (OpenAI, ChatGPT, Claude, Gemini APIs)
● Native iOS development with Swift & SwiftUI when the project calls for it
● Complete builds: Figma design → Flutter development → App Store & Play
Store approval
● Firebase, REST APIs, push notifications, in-app purchases, subscriptions,
payment gateways (Stripe)
RECENT RESULTS:
●Crease Pro/Training, Practice — built with Flutter and launched in 7 weeks, now live
on Apps Store
●Arbornote / Trees Mapping CRM — integrated AI for proposal generations using the OpenAI API, with 98.1% Accuracy.
●StressRant / Mental Wellness — took over a stalled project, refactored, and shipped
in 10 weeks with AI features and a production level MVP available on both stores
WHY CLIENTS COME BACK (100% Job Success across 24 jobs):
● Clear progress updates every step — you always know where your app stands
● Clean, documented Flutter code you own completely
● Honest timelines. If it takes 6 weeks, I say 6 weeks — then I hit it.
NEXT STEP: Send me an invite or message with a short description of your
app idea. I'll reply within an hour with an honest take on scope,
timeline, and cost — no obligation.
Arham A.
has worked
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Uruguay
$42/hr
100%
Job Success
$100K+ earned
Offers consultations
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I am a tech enthusiast and Software Engineer with over 7 years of experience across several fields.
Front-end experience: Flutter (mobile, web)
Back-end experience: Python, Firebase, Java, Node.js, C#, Ruby on Rails
AI experience: I have hands-on experience building apps that integrate AI capabilities—leveraging machine learning, natural language processing, and generative models to deliver smarter, more adaptive user experiences.
I am the co-founder of a Flutter agency, SmartUp Software, where we provide custom software development and staff augmentation services. We've successfully developed and deployed 20+ mobile and web applications.
I also developed an award-winning social project called Berrinche, aimed at helping parents and therapists of children with ASD identify the causes of disruptive behaviors and discover effective ways to manage them.
Juan D.
has worked
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Associated with
SmartUp Software
$100K+
earned
$12/hr
100%
Job Success
$2K+ earned
Offers consultations
Start of list.
End of list.
Flutter Developer with 2+ years building cross-platform mobile apps that ship to real users — not prototypes. My work is live on the App Store and Google Play right now.
I specialize in production-grade Flutter & Dart development with Clean Architecture, BLoC/Cubit state management, and seamless REST API / WebSocket integration. If your codebase needs to scale — or your MVP needs to launch fast — I know both paths.
What I've shipped:
→ Fintech app (My Savings Coach) — personal finance & lifestyle tracking with Plaid SDK integration, real-time WebSocket updates, JWT auth, and interactive Fl Chart dashboards
→ Sports coaching app (SWITCH5) — live on App Store and Google Play; roster management, in-game timers, score tracking
→ Social networking app (Neteject AB) — complex UI animations, Supabase backend, real-time data, feature-based Clean Architecture
→ RFX Soccer Recruit — AI-powered college soccer recruitment platform built with FlutterFlow; automated coach outreach, personalized dashboards, real-time feedback system; live on App Store
→ Astrology app — real-time content delivery via WebSocket, Bloc state management, scalable API architecture.
My technical stack:
Flutter · Dart · FlutterFlow · BLoC / Cubit · Provider · Clean Architecture · REST API · Dio · WebSocket · JWT · Firebase · Supabase · Freezed · GoRouter · AutoRouter · Figma · Git
Industries I've shipped in:
Fintech · Sports · Social · Health & Lifestyle · EdTech / Recruiting
Every project I take on gets the same treatment: clean, documented code, pixel-perfect UI matched to your Figma, and communication that doesn't leave you guessing. I give weekly progress updates, flag blockers early, and don't disappear mid-project.
Available for MVPs, feature development, and ongoing contracts.
Tell me what you're building — I'll tell you how I'd approach it.
Nazarii M.
has worked
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$40/hr
100%
Job Success
$40K+ earned
Start of list.
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Mobile App Developer with more than half a decade of experience in building, integrating, and testing mobile apps, shipped to both stores.
Top Rated Plus · 100% Job Success · 1.5K+ hours · 7+ years EXP
✅ 𝗔𝗜 𝗳𝗲𝗮𝘁𝘂𝗿𝗲𝘀
- Add AI to your app: assistants, chatbots, smart features
- Generative AI: image, content, and media generation
- Integrate OpenAI, Gemini, and other AI/LLM APIs
✅ 𝗕𝘂𝗶𝗹𝗱 & 𝗱𝗲𝘀𝗶𝗴𝗻
- Full apps from scratch, iOS + Android in one Flutter codebase
- Figma to pixel-accurate UI
- Rebuild, modernize, or scale an existing app
✅ 𝗠𝗼𝗻𝗲𝘁𝗶𝘇𝗮𝘁𝗶𝗼𝗻 & 𝗯𝗮𝗰𝗸𝗲𝗻𝗱
- Subscriptions & in-app purchases (RevenueCat, StoreKit, Google Play Billing)
- Backend with Firebase, Supabase, REST APIs
- Push notifications (FCM), analytics, crash reporting (Crashlytics, Sentry)
✅ 𝗔𝗱𝘃𝗮𝗻𝗰𝗲𝗱 & 𝗻𝗮𝘁𝗶𝘃𝗲
- Native iOS/Android features Flutter can't reach (platform channels, plugins)
- Secure video & media playback (token-protected, Vimeo)
- Camera, maps, and device sensors
✅ 𝗦𝗵𝗶𝗽 & 𝗺𝗮𝗶𝗻𝘁𝗮𝗶𝗻
- Publish to App Store & Google Play, full submission
- CI/CD release pipelines (Codemagic, GitHub Actions, Fastlane)
- Fix bugs & crashes in live apps, ongoing maintenance
✅ 𝗦𝘁𝗮𝗰𝗸
- Flutter · Dart · Swift · Kotlin
- Firebase · Supabase · REST APIs
- RevenueCat · StoreKit · In-App Purchases
- OpenAI · AI/LLM APIs
- BLoC · Riverpod · Provider · Clean Architecture · MVVM
- CI/CD · Git · App Store Connect · Google Play Console
✅ 𝗪𝗵𝘆 𝗺𝗲
- Grasp requirements fast, work inside your framework
- Hit tight deadlines, test on real devices, not just simulators
- Apple Developer Academy graduate · 100% Job Success
→ Tell me what your app should do, and I'll tell you exactly how I'd build it.
Feel free to contact me and consult about your app requirement and working timeline.
Let's make a Better, Faster, and more stable app.
Heryan C.
has worked
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