A startup reduced development time by launching their Flutter Mobile App in just a few weeks after I stabilized the app, integrated Firebase Cloud Firestore, fixed critical production bugs, implemented REST API Integration, and prepared it for Google Play Store and Apple App Store deployment.
I help businesses build scalable Mobile App Development solutions that do not just look good—they perform well, solve real business problems, and are ready for production.
Whether you are launching a new Flutter MVP, fixing an unstable application, integrating Firebase, implementing Google Maps API, Push Notifications, Payment Gateway Integration, AI App Development features, Real-Time Chat, or publishing to Google Play Store and Apple App Store, I deliver production-ready Flutter applications for Android and iOS.
Hello! I am Yash, a Flutter Mobile App Developer with 3+ years of experience building Android App Development and iOS Development solutions for startups, founders, and growing businesses.
I have worked on 30+ production-level Mobile App Development projects across Ride Booking, Food Delivery, Healthcare, OTT Streaming, Social Media, Education, eCommerce, Marketplace, FinTech, and SaaS platforms.
My expertise includes:
- Flutter
- Mobile App Development
- Android App Development
- iOS Development
- Cross-Platform App Development
- Firebase
- Firebase Authentication
- Firebase Cloud Firestore
- Firebase Realtime Database
- Firebase Cloud Messaging (FCM)
- REST API Integration
- API Integration
- Google Maps API
- Google Maps
- GPS & Live Location Tracking
- Stripe Integration
- Razorpay Integration
- Apple App Store Connect
- Google Play Console
- Google Play Store Deployment
- Push Notifications
- Chat Applications
- Real-Time Chat
- Video Calling
- Live Streaming
- AI App Development
- Chatbot Integration
- Flutter Performance Optimization
- Bug Fixing
- App Maintenance
- Clean Architecture
- Provider
- Riverpod
- Bloc
- GetX
Since you are here, you might be facing:
🔹 Flutter application crashing frequently
🔹 Mobile App Development performance issues
🔹 Firebase Authentication or Firestore problems
🔹 Push Notification failures
🔹 Slow REST API Integration
🔹 Google Maps API or GPS tracking issues
🔹 Payment Gateway integration challenges
🔹 Google Play Console or Apple App Store deployment issues
🔹 Real-Time Chat, Live Tracking, or Live Streaming problems
🔹 Startup MVP development requiring rapid delivery
What working with me feels like:
⭐ Flutter Mobile App Development specialist
⭐ Firebase expert (Authentication, Cloud Firestore, Realtime Database, Cloud Messaging)
⭐ REST API Integration and Third-Party API specialist
⭐ Google Maps API and Live Location Tracking expert
⭐ Payment Gateway Integration (Stripe & Razorpay)
⭐ Real-Time Chat, Video Calling & Live Streaming implementation
⭐ Google Play Store & Apple App Store deployment
⭐ Bug Fixing, Performance Optimization & Long-Term Maintenance
⭐ Clean, scalable, and maintainable Flutter architecture
A brief overview of my impact:
✔ Built 30+ production Mobile App Development solutions
✔ Published 25+ Android and iOS applications
✔ Delivered marketplace, ride booking, healthcare, OTT, and SaaS applications
✔ Fixed critical production bugs and improved app stability
✔ Successfully deployed applications on Google Play Store and Apple App Store
✔ Integrated Firebase, REST APIs, Google Maps API, Push Notifications, Payment Gateways, AI features, and Real-Time Chat
✔ Promoted from Flutter Intern to Team Lead responsibilities within 11 months
If you are looking for a Flutter Mobile App Developer who can build, optimize, fix, scale, and publish Android and iOS applications, let's discuss your project and turn your idea into a production-ready app.
Firebase
Firebase Cloud Firestore
Mobile App Development
Android App Development
App Development
iOS Development
Firebase Realtime Database
API Integration
Google Play
Apple Xcode
Stripe
Chatbot
Flutter
Google Maps API
RESTful API
Push Notifications
iOS
Google Maps
Live Streaming Setup
AI App Development
Jigar Kumar P.
Ahmedabad, India
$8/hr
5.0
1 jobs
Hello, I’m Jigar Patel, a mobile app developer specializing in Flutter, React Native, Android, and Firebase/Supabase. I help startups and businesses build new mobile apps, fix bugs, add features, and improve existing applications with clean UI/UX, smooth performance, and scalable code.
What I can help you with:
✅ Build Android & iOS apps (cross-platform)
✅ Fix bugs, crashes, and UI issues
✅ Add new features and improve app performance
✅ Firebase integration (Auth, Firestore, Storage, Push Notifications)
✅ Supabase integration (Auth, Database, Storage)
✅ REST API integration and third-party SDKs
✅ Convert Figma designs into pixel-perfect mobile UI
Key Skills & Technologies:
✅ Mobile Development: Flutter, React Native, Android, iOS, Ionic
✅ Web Development: HTML, CSS, JavaScript, React.js, TypeScript
✅ Backend / Database: Firebase, MongoDB, MySQL
✅ Cloud & Tools: AWS, Google Cloud, Azure, Git/GitHub
Working Style:
✔ Clear communication and regular updates
✔ Clean code and best practices
✔ On-time delivery and long-term support
If you have an idea or an existing app that needs improvements, feel free to message me — I’ll review your requirements and suggest the best solution.
Best Regards,
Jigar Patel
Firebase
Firebase Cloud Firestore
Android App Development
iOS
Flutter
React Native
Ionic Framework
Firebase Realtime Database
Logo Design
Figma
REST API
Push Notifications
Payment Gateway Integration
Bug Fix
Google Maps
Bhoomik S.
Thane, India
$10/hr
5.0
2 jobs
I am a Flutter Developer with experience on creating production level apps for businesses. I can build following types of applications -
1. Chat Application.
2. Social Media Application.
3. E-Commerce Application.
4. Maps Integrated application.
5. Product Display Application.
6. Food Delivery Application.
7. Admin Management system (for suitable projects).
8. Notifications
9. Deep links
Hope to get in touch with you & create something really great!
Firebase
Firebase Cloud Firestore
Dart
Kotlin
JavaScript
HTML5
CSS
Flutter
Android
Android Studio
iOS
App Store
React
Node.js
Nehanshu B.
Surat, India
$17/hr
5.0
1 jobs
𝗡𝗲𝗲𝗱 𝗮 𝗙𝗹𝘂𝘁𝘁𝗲𝗿 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 𝘄𝗵𝗼 𝗰𝗮𝗻 𝗯𝘂𝗶𝗹𝗱, 𝗶𝗺𝗽𝗿𝗼𝘃𝗲, 𝗼𝗿 𝘀𝗰𝗮𝗹𝗲 𝘆𝗼𝘂𝗿 𝗺𝗼𝗯𝗶𝗹𝗲 𝗮𝗽𝗽 𝘄𝗶𝘁𝗵𝗼𝘂𝘁 𝘂𝗻𝗻𝗲𝗰𝗲𝘀𝘀𝗮𝗿𝘆 𝗰𝗼𝗺𝗽𝗹𝗲𝘅𝗶𝘁𝘆? 𝗬𝗼𝘂'𝗿𝗲 𝗶𝗻 𝘁𝗵𝗲 𝗿𝗶𝗴𝗵𝘁 𝗽𝗹𝗮𝗰𝗲.
Hi, I'm 𝗡𝗲𝗵𝗮𝗻𝘀𝗵𝘂, a 𝗦𝗲𝗻𝗶𝗼𝗿 𝗙𝗹𝘂𝘁𝘁𝗲𝗿 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 with 𝟱+ 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗽𝗿𝗼𝗳𝗲𝘀𝘀𝗶𝗼𝗻𝗮𝗹 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 building high-quality Android and iOS applications for startups, businesses, and product companies.
Whether you're starting with an idea, improving an existing Flutter app, fixing production issues, or adding advanced features, I can help you deliver a reliable product that is built to grow with your business.
𝗪𝗵𝗮𝘁 𝗜 𝗰𝗮𝗻 𝗵𝗲𝗹𝗽 𝘆𝗼𝘂 𝘄𝗶𝘁𝗵:
✅ Full Flutter App Development (Android & iOS)
✅ MVP Development & Product Scaling
✅ Feature Development & Flutter Bug Fixing
✅ Firebase (Authentication, Firestore, FCM, Analytics & Crashlytics)
✅ REST API & Third-Party SDK Integration
✅ Real-time Chat using Socket IO
✅ Audio & Video Calling with WebRTC
✅ Live Streaming
✅ Google Maps, Live Tracking & Geofencing
✅ Payment Gateway Integration (Stripe, Razorpay, PayPal & In-App Purchases)
✅ Push Notifications & Deep Linking
✅ AI/ChatGPT Integration
✅ Bluetooth, NFC & QR/Barcode Scanner
✅ Camera, Background Services & Platform-Specific Features
✅ Google Play Store & Apple App Store Deployment
Throughout my career, I've contributed to applications across social networking, marketplaces, ERP systems, finance, booking platforms, and business solutions. While many of these projects are protected by client confidentiality, I'm happy to discuss the technical challenges I solved and how that experience applies to your project.
𝗪𝗵𝗮𝘁 𝘆𝗼𝘂 𝗰𝗮𝗻 𝗲𝘅𝗽𝗲𝗰𝘁 𝘄𝗵𝗲𝗻 𝘄𝗼𝗿𝗸𝗶𝗻𝗴 𝘄𝗶𝘁𝗵 𝗺𝗲:
✔ Clean, scalable, and maintainable code
✔ Clear communication and regular progress updates
✔ Thoughtful problem-solving instead of quick fixes
✔ Attention to performance, security, and user experience
✔ A developer who takes ownership and cares about your product's success
If you're looking for someone who can confidently handle everything from a simple feature to a complex production application, I'd be happy to discuss your project and help turn your ideas into a successful mobile app.
Firebase
Firebase Cloud Firestore
Mobile App Development
Flutter
Dart
Android
iOS Development
API Integration
RESTful API
WebRTC
Socket.io
Google Maps API
Push Notifications
Payment Gateway Integration
Clean Architecture
Git
SQLite
Software Debugging
Apple Xcode
Google Play
Khubchand B.
Mathura, India
$12/hr
5.0
17 jobs
I’m a Mobile App Developer with hands-on experience building and publishing production-ready apps for both iOS and Android — from initial development to final App Store and Play Store submission.
I specialize in turning ideas or existing web apps into fully functional mobile applications, handling everything end-to-end including authentication, payments, push notifications, and backend integrations.
🚀 What I Do
📱 Build and publish mobile apps (iOS & Android)
🔄 Convert web apps into native apps using Capacitor
🔐 Implement secure authentication (Firebase, Google, Facebook, LINE, Apple, Phone OTP)
💳 Integrate payments (Stripe, 3D Secure, custom flows)
🔔 Set up push notifications using Firebase
☁️ Full Firebase integration (Auth, Firestore, Functions, Storage)
🎬 FFmpeg-based video & audio processing tools
💡 Mobile Development Expertise
Capacitor & Cordova (custom plugins, native integrations)
Native iOS (Objective-C) & Android (Java)
Ionic, Angular, Vue (Quasar)
REST API & backend integrations
I ensure apps are:
✔ Stable and production-ready
✔ Fully compliant with App Store & Play Store guidelines
✔ Optimized for performance and scalability
🎯 Real Experience
Built and published cross-platform apps from scratch
Implemented multiple authentication systems across apps
Integrated secure payment flows including Stripe
Developed FFmpeg-based tools for video/audio processing
Delivered apps with real users and production usage
🤝 Why Work With Me
Clear communication and fast response
Focus on long-term, scalable solutions
Experience handling complete app lifecycle (dev → publish → maintain)
Reliable delivery with attention to detail
If you’re looking for someone who can take your app from idea to live on the App Store/Play Store, I can help you build it the right way.
Firebase
Web Application
Android App Development
iOS Development
App Store Upload
Publishing
Google Cloud Platform
User Authentication
Quasar Framework
Vue.js
TypeScript
FFmpeg
Flutter
React
Yogesh K.
Kalyan, India
$25/hr
4.9
7 jobs
I have over 10 years of experience in developing and maintaining applications. Most recent experience includes developing cross platform apps and agentic AI systems using Flutter, Firebase, FastAPI, Ollama, LangChain and Anthropic AI SDK.
Firebase
Firebase Cloud Firestore
Web Application
Flutter
Android
iOS
MongoDB
Node.js
Amazon Web Services
Stripe
Analytics
User Authentication
Web Hosting
Load Balancing
Fastlane
FastAPI
LangChain
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