I help smart-home, energy, and industrial hardware brands turn connected devices into polished, reliable apps — I build the Flutter app and the device integration (BLE, USB-serial, MQTT, cloud) as one working system, so your product actually ships.
I've built and published smart-thermostat, EV-charger, and home-automation apps that are live right now on the App Store and Play Store, plus a Flutter app that reads live data straight from milk-analyzer and weigh-scale hardware over USB and Bluetooth serial. Very few developers can do both the app and the hardware side — I do.
What I deliver:
Flutter apps (iOS + Android) that talk to real hardware — BLE, USB serial, Wi-Fi, MQTT
Smart-home & energy control: thermostats, EV chargers, lighting, schedules, energy monitoring
Voice assistant integration (Alexa, Google Assistant, Siri)
Real-time device alerts, remote control, and firmware/OTA-style update flows
Device management / kiosk mode (remote lock, reboot, camera & USB control, location)
Optional: AI chatbots / agents layered on top of your device data
Selected work:
Smart-home suite for [a European smart-energy brand] — 6 live apps: multi-brand smart thermostats, EV-charger control, energy monitoring, and voice-assistant integration
Easy Dairy — Flutter app capturing live milk-analyzer & weigh-scale readings over USB + Bluetooth serial for dairy collection centres
I-Secure — Android device management: remote lock, reboot, kiosk mode, location & SIM tracking
10+ years and 200+ apps shipped. If you have a connected-device idea, or an IoT app that stalled halfway, message me — I'll tell you honestly what it takes to ship it.
Flutter
Firebase
Mobile App Development
React Native
Internet of Things Software
Internet of Things
Industrial Internet of Things
MQTT
ESP32
Smart Home Framework
Home Automation
Mobile Device Management
Mobile Device Management Software
iOS Development
Software Testing
Magento 2
Laravel
AngularJS
Digital Marketing
Rahulkumar P.
Ahmedabad, India
$8/hr
5.0
13 jobs
Hi! I'm a Senior Flutter & Android developer with 7+ years of experience delivering production-ready mobile apps for Android & iOS. I have strong expertise across the entire development lifecycle — from UI implementation to API integration, deployment, debugging, and publishing.
What I Can Do for You
🔹 Build new mobile apps from scratch
🔹 Improve or modify existing Flutter projects
🔹 Fix UI bugs and navigation issues
🔹 Integrate REST APIs and backend services
🔹 Implement push notifications & Firebase
🔹 Add features, fix bugs, refactor & optimize
🔹 Store deployment (Play Store / App Store)
Technical Strengths
✔ Flutter (Dart) — 4+ years
✔ Android native (Java/Kotlin) — 7+ years
✔ State management: GetX, Bloc, Provider
✔ Firebase: Firestore, Auth, FCM, Analytics
✔ API handling: Retrofit / Dio / http
✔ Git, CI/CD, modular architecture
Why Clients Choose Me
🚀 Fast understanding of requirements
💡 Ability to suggest better technical solutions
🛠 Clean, maintainable, well-structured code
🔍 Attention to detail & UI consistency
📞 Great communication & timely updates
🤝 Long-term collaboration mindset
Specialized Experience
I have successfully delivered apps in:
📦 E-commerce
📍 Real-estate
💳 Payment & financial services
📸 Multimedia & social apps
👥 User authentication & role management
🗄️ Offline data & caching
I love building user-focused, high-performance apps that scale. If you need a reliable Flutter expert for a small fix or a full project, I’m ready to help.
Let’s discuss your requirements and start building something amazing! 🚀
Flutter
Flutter Stack
Dart
Firebase
Mobile App Development
FlutterFlow
Android
REST API
Firebase Realtime Database
Firebase Cloud Firestore
Push Notifications
Mobile UI Design
Clean Architecture
Git
Payment Gateway Integration
User Authentication
Data Management
Offline Functionality
WebRTC
Google Cloud Platform
Sweta V.
Ahmedabad, India
$30/hr
4.9
28 jobs
⭐ 𝐓𝐨𝐩 𝐑𝐚𝐭𝐞𝐝 𝐏𝐥𝐮𝐬 | 𝟖,𝟕𝟎𝟎+ 𝐇𝐨𝐮𝐫𝐬 | $𝟐𝟎𝟎𝐊+ 𝐄𝐚𝐫𝐧𝐞𝐝 | 𝟏𝟎𝟎% 𝐉𝐨𝐛 𝐒𝐮𝐜𝐜𝐞𝐬𝐬
I’m a Senior Flutter Developer, React Native Developer, and FlutterFlow Developer with 8+ years of experience building high-performance iOS and Android mobile applications. With 8,700+ Upwork hours, 24+ production apps shipped, and $200K+ earned, I help startups and growing businesses design, develop, launch, and scale reliable mobile products.
I specialize in Flutter app development, FlutterFlow development, React Native app development, Swift development, and cross-platform mobile applications using Firebase, Supabase, REST APIs, AI integrations, payment gateways, push notifications, offline-first architecture, App Store Connect, and Google Play Console.
I also maintain, modernize, and enhance existing Flutter, FlutterFlow, React Native, Swift, and .NET MAUI applications, improving performance, scalability, and user experience.
🚀 𝐈 𝐖𝐎𝐑𝐊 𝐁𝐄𝐒𝐓 𝐖𝐈𝐓𝐇
→ Startups building Flutter, FlutterFlow, React Native, or Swift MVPs
→ Businesses launching new iOS & Android mobile apps
→ Product teams scaling an existing app with new features and integrations
→ Startups needing a reliable long-term mobile partner not a one-off contractor
→ Teams migrating legacy apps to modern Flutter or React Native
✅ 𝐖𝐇𝐀𝐓 𝐘𝐎𝐔 𝐆𝐄𝐓 𝐖𝐇𝐄𝐍 𝐖𝐄 𝐖𝐎𝐑𝐊 𝐓𝐎𝐆𝐄𝐓𝐇𝐄𝐑
→ Clear Planning - I review your app, users, and goals before any code is written
→ Production-Ready Code - Clean architecture that scales as your app grows
→ Flutter & React Native best practices
→ Predictable Delivery - Realistic timelines, weekly updates, early risk flags
→ Full Release Support - App Store Connect, Google Play Console, review handling
→ Ongoing Partnership - Feature updates, performance tuning, and bug fixes after launch
📊 𝐑𝐄𝐂𝐄𝐍𝐓 𝐑𝐄𝐒𝐔𝐋𝐓𝐒
• Delivered 24+ production Flutter, FlutterFlow & React Native applications
• Built and shipped production Flutter and react native apps with Firebase, REST APIs, push notifications, CI/CD
• Built mobile apps for fintech, healthcare, logistics, e-commerce, and SaaS startups.
• Built AI-powered mobile applications using OpenAI, Claude, OCR, document processing, and conversational AI integrations.
• Reduced crash rates up to 40% and improved app speed 25-50% on live apps
• Published and maintained production apps on both Apple App Store and Google Play Store
• Took startup MVPs from zero to App Store launch in 6-10 weeks
• Long-term retainer work with multiple clients (1,500+ hour engagements)
• Built complex Flutter applications with BLoC, Riverpod, Firebase, offline sync, and custom native integrations
🛠 𝐂𝐎𝐑𝐄 𝐒𝐓𝐀𝐂𝐊
Mobile: Flutter, Dart, React Native, Swift, SwiftUI, Kotlin, .NET MAUI,
Backend: Firebase (Auth, Firestore, Functions), REST APIs, Supabase, MQTT
Architecture: Clean Architecture, BLoC, Riverpod, Provider, Redux, offline-first synchronization
Delivery: CI/CD, App Store Connect, Google Play Console, Expo, custom native modules
📱 APP TYPES BUILT
• Fintech & Payments
• Healthcare & Telemedicine
• Logistics & Delivery
• Inventory & Sales Management
• SaaS Platforms
• Social & Community Apps
• Internal Enterprise Applications
💬 𝐇𝐎𝐖 𝐖𝐄 𝐒𝐓𝐀𝐑𝐓
Whether you need a Flutter Developer, FlutterFlow Developer, React Native Developer, or an experienced Mobile App Developer to build a new application, improve an existing product, or provide long-term support, I’d love to help.
Send me your project details, and I’ll provide practical recommendations, a realistic development plan, and clear next steps to help bring your app to market successfully.
KEYWORDS
Flutter • React Native • FlutterFlow • Swift • Firebase • Supabase • REST APIs • GraphQL • TypeScript • Payment Gateway • Push Notifications • Maps • AI Integration
Flutter
Dart
Firebase
Mobile App Development
React Native
FlutterFlow
Supabase
Xamarin
Swift
SwiftUI
AI App Development
iOS Development
Android App Development
C#
API Integration
RESTful API
.NET Framework
Performance Optimization
iOS SDK
Kotlin
Parmar Parth P.
Ahmedabad, India
$15/hr
5.0
2 jobs
🌟 Specialized in Cross-Platform Mobile App Development (Flutter)
🏆 Top Rated Plus (Top 3%) | ✅ 100% Job Success Rate
📱 6+ Years Experience in Flutter & Mobile App Development
🗣 Fluent English, Verified
About Me
I am a senior Flutter developer with 6+ years of experience delivering high-quality, scalable, and performance-driven mobile applications for Android, iOS, and Web. I focus on smooth UI/UX, animations, and maintainable code tailored to your business needs.
I believe in clear communication, timely delivery, and transparent collaboration, keeping you updated at every stage.
What I Offer
✔ Large-scale applications & complex architectures
✔ Best coding practices & Test-Driven Development
✔ 24/7 reliable communication
✔ Long-term partnership focused on your success
Core Expertise
📌 Flutter App Development (Android, iOS, Web, Desktop)
📌 Firebase, REST API, GraphQL Integration
📌 Google Maps, Push Notifications, In-App Purchases
📌 Local Databases (Hive, SQLite), Offline Support
📌 Chat, Audio & Video Integration
📌 Payment Gateway Integration
📌 Web & Admin Panel Development
Why Hire Me?
💎 Proven track record – multiple high-quality apps delivered
💎 Affordable & transparent – no hidden costs
💎 Up-to-date with latest tech trends & tools
💎 On-time delivery without compromising quality
✅ Result:
Crisp, easy to scan
Client-focused → tells why they should hire you
Highlights expertise, trust, and reliability
Mobile App Development
iOS Development
App Development
Abhishek J.
Ahmedabad, India
$25/hr
5.0
1 jobs
I have 5 years+ of experience with flutter. I believe Flutter is the future and it’s becoming more and more the best option for any new mobile and web projects. I am a developer who try to delivery best in project and give efforts in work.
Flutter
Dart
Firebase
Mobile App
Front-End Development
API
API Integration
Push Notifications
Location-Based Service
Map Integration
User Authentication
QR & Barcode Scanner
Social Media Account Integration
Camera
Chat & Messaging Software
Siddharth M.
Ahmedabad, India
$10/hr
4.7
21 jobs
🥇 Top Rated Plus • 🌟 10+ Years Experience • High-Velocity MVP Specialist • AI-Powered Workflows
Senior Full Stack Mobile developer | Vibe Coding | Node.js | React.js | Next.js
Stop waiting months for an MVP. I use "Vibe Coding" and AI-native architecture to ship production-ready Flutter apps at 10x speed.
In 2026, the gap between a "coder" and a "product engineer" is AI. I bridge that gap. I don’t just write Dart and JavaScript; I leverage high-intent AI agent workflows to build, test, and deploy scalable systems before the competition even finishes their sprint planning.
🚀 The "Vibe Coding" Edge
I utilize Cursor, Windsurf, and custom AI agents to handle the boilerplate, allowing me to focus 100% on your User Experience, System Architecture, and Business Logic.
Speed: From concept to App Store in record time.
Quality: AI-accelerated unit testing and clean-code refactoring.
Precision: Pixel-perfect Flutter UIs that "feel" native on iOS, Android, and Web.
🧠 AI-Native Specialization
LLM Integration: Deeply embedding OpenAI, Anthropic, or local models into mobile apps.
Agentic Workflows: Building apps that don't just show data, but act on it using autonomous agents.
RAG Implementation: Connecting your private data to AI for intelligent, context-aware mobile experiences.
🛠 Technical Stack
Frontend: Flutter 4.0, Dart, Riverpod, BLoC, Impeller.
Backend: Node.js (TypeScript), NestJS, Express.js.
Database: PostgreSQL, MongoDB, Pinecone (Vector Search).
Automation: n8n, GitHub Actions, AI-driven CI/CD.
💼 Why Clients Hire Me
I take full ownership. Whether it’s a complex Fintech dashboard or a high-performance AI-Native consumer app, I ensure it’s built for long-term growth—not just a quick prototype.
Ready to build the future at the speed of thought?
Invite me to your project, and let’s start vibing on your next big launch.
Highlighted Skills:
Flutter, Dart, Flutter Mobile App Developer, Dart Developer, OpenAI API, Full Stack Developer, Back End Developers, API, API Developer, Node.js, Node.js Developer, SQL, App Developer, App, Mobile App Development, Mobile App Developer, Android App Development, Android App Developer, Mobile App, AI Mobile App Development, AI Mobile App Developer, Mobile App Design, Mobile UI Design, Responsive Design, UI/UX Designer, Prototyping, Mobile App UI, Mobile App API, Mobile Application, Mobile Application Developer, Mobile Application Developement, iOS, Android, iOS App, Android App, iOS Application, Flutter iOS, Flutter iOS Android, Hybrid App, Hybrid App Development, Hybrid App Developer, Cross Platform Mobile Development, Cross Platform Mobile Developer, Cross Platform App Developer, Cross Platform App Development, Express.js, RESTful API, Express API, API Integration, Mobile App API Integration, App API Integration, Expert Full Stack Developer, Full Stack Mobile App Developer, Expert Full Stack Mobile App Developer, AI Mobile App, Mobile, Application, Application Development, Application Developer, Application Designer, Application API Integration, Build App, Build Mobile App, Flutter App Developer, iOS App Developer, Cross-Platform Mobile Developer, Machine Learning App Integration, Senior Mobile App Developer, Flutter Mobile App Development, Flutter Developer, Software Designer
Flutter
Firebase
Node.js
React
AI Mobile App Development
TypeScript
API Integration
PostgreSQL
Generative AI
AI Chatbot
ChatGPT API
FlutterFlow
Third-Party Integration
SwiftUI
Prompt Engineering
Supabase
Automation
NodeJS Framework
AI Instruction
AI App Development
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