๐จ ๐๐ซ๐ ๐ฒ๐จ๐ฎ ๐ ๐๐จ๐ฎ๐ง๐๐๐ซ ๐ฐ๐ข๐ญ๐ก ๐๐ง ๐๐ฉ๐ฉ ๐ข๐๐๐ ๐๐ฎ๐ญ ๐ง๐จ ๐๐ฅ๐ฎ๐ ๐ฐ๐ก๐๐ซ๐ ๐ญ๐จ ๐ฌ๐ญ๐๐ซ๐ญ?
โ I've helped ๐๐๐+ ๐๐ฅ๐ข๐๐ง๐ญ๐ฌ go from ๐ซ๐จ๐ฎ๐ ๐ก ๐๐จ๐ง๐๐๐ฉ๐ญ ๐ญ๐จ ๐ฅ๐ข๐ฏ๐ ๐ฉ๐ซ๐จ๐๐ฎ๐๐ญ๐ฌ, and I can do the same for you.
๐'๐ฆ ๐๐ข๐ซ๐๐ฃ ๐๐จ๐ซ๐๐๐ข๐ฒ๐, a Mobile App Developer with ๐+ ๐ฒ๐๐๐ซ๐ฌ ๐จ๐ ๐๐ฑ๐ฉ๐๐ซ๐ข๐๐ง๐๐ building mobile apps across industries like health & fitness, food delivery, ecommerce, AI mobile apps and more.
๐ ๐๐๐ฒ ๐๐๐ก๐ข๐๐ฏ๐๐ฆ๐๐ง๐ญ๐ฌ:
โ 110+ mobile apps delivered with 100% Job Success and consistent 5-star client ratings
โ Ranked among the top 2% of Mobile App Developers on Upwork
โ Helped clients launch apps that reached 500k+ downloads
โ Reduced project delivery times by up to 30% for multiple clients
โจ ๐๐จ๐ฐ ๐ ๐๐จ๐ซ๐ค:
1. Discovery โ I learn your idea, goals, and users deeply before writing a single line of code
2. Planning โ I break the project into clear milestones with timelines and costs agreed upfront, no moving goalposts
3. Build โ Clean, scalable Flutter code with regular updates so you're never left wondering what's happening
4. Launch โ Full App Store & Play Store submission, tested and ready for real users
No ghost updates. No surprise costs. Just a working app, delivered as agreed.
๐๐ก๐๐ญ ๐ฆ๐๐ค๐๐ฌ ๐ฐ๐จ๐ซ๐ค๐ข๐ง๐ ๐ฐ๐ข๐ญ๐ก ๐ฆ๐ ๐๐ข๐๐๐๐ซ๐๐ง๐ญ?
โ I keep things simple and transparent. Before any code is written, we agree on milestones, timelines, and costs, so there are no surprises along the way. You get regular updates, honest feedback, and an app that's ready for real users when we're done.
โจ ๐๐ก๐๐ญ ๐ ๐จ๐๐๐๐ซ:
โ End-to-end app development: MVPs, SaaS solutions, and fully custom mobile app development
โ Expertise in Flutter, Firebase, Supabase, custom APIs, AI/ChatGPT integrations, in-app purchases, and advanced API systems
โ Fast, secure, and user-friendly apps tailored to your business goals
โจ ๐๐ง๐๐ฎ๐ฌ๐ญ๐ซ๐ข๐๐ฌ & ๐๐ฉ๐ฉ ๐๐จ๐ฆ๐๐ข๐ง๐ฌ ๐โ๐ฏ๐ ๐๐จ๐ซ๐ค๐๐ ๐๐ง:โจ
โ AI-Powered Mobile App
โ Social Media Mobile App
โ Ecommerce/marketplace Mobile App
โ Finance and budget management Mobile App
โ Health, Fitness & Wellness Mobile App
โ Education app development, edTech Mobile App
โ On-Demand Service Mobile App (Laundry, Salon, Home Care, etc.)
โ Food Delivery Mobile App Development with Real-Time Tracking
โ Marketplace Mobile Apps with Stripe/PayPal Integration
โ Productivity, To-Do & Task Management Mobile Applications
โ Travel, Hotel & Ticket Booking Mobile Applications
โ Real Estate Mobile Apps & Property Listing Mobile Apps
โ Sports, Events & Entertainment Mobile Applications
โ MVP Mobile App Development for Startups & Businesses
โ Health & Fitness Mobile App
โ Wellness Mobile App
โ Freelance mobile app
โ Taxi Driver App Development
โ Video Streaming Mobile App
โ Ride-hailing app development
โ Grocery shopping app development
๐ ๐๐ก๐๐ญ ๐๐ฅ๐ข๐๐ง๐ญ๐ฌ ๐๐๐ฒ ๐๐๐จ๐ฎ๐ญ ๐๐ฒ ๐๐จ๐ซ๐ค:
๐๐ข๐ค ๐๐๐ง๐ง๐ โญโญโญโญโญ
"Viraj was responsive and paid attention to the details and turned around the project on time. Recommend him and wouldn't hesitate to re-hire. Unlike some freelancers who think they know it all and have an attitude, Viraj is easy to work with."
๐๐๐ฅ๐๐จ๐ฆ ๐๐๐ง๐ค๐ข๐ง๐ฌ โญ๏ธโญ๏ธโญ๏ธโญ๏ธโญ๏ธ
"Awesome experience - we completed the app in the timeframe originally agreed upon and it was live on the app store as promised. From the concept to the design to the actual app build, it was a smooth experience."
โจ ๐๐๐ญ'๐ฌ ๐๐ฎ๐ข๐ฅ๐ ๐๐จ๐ฎ๐ซ ๐๐๐ฑ๐ญ ๐๐ฉ๐ฉ
Have a mobile app idea or an existing one to upgrade?
Letโs connect, Iโll share a short, clear plan.
๐จ Send me your app idea and I'll reply within 4 hours with honest feedback
Best Regards,
Viraj Moradiya
๐ ๐ ๐ข๐ง๐ ๐๐ ๐๐ฌ๐ข๐ง๐ ๐๐ก๐๐ฌ๐ ๐๐๐ฒ๐ฐ๐จ๐ซ๐๐ฌ:
Flutter developer | App development | App development company | Mobile app development company | Android app development | Mobile application development | Freelance app developer | Flutter app development | Flutter app | Flutter mobile app development | Flutter application | Flutter mobile app developer | Full stack flutter developer | Flutter app | Flutter app developer | AI app developer | Flutter Supabase | Mobile app development | MVP app development | MVP App developer | application developer | Ai application developer | Full stack developer flutter | Flutter expert | MVP developer | MVP app developer | Fitness app developer | Hire Mobile app developer | Hire iPhone developer | Android app developer | iOS app developer | iPhone app developer | Swift | iPad app developer | iOS development | Fitness app developer | App developer | Ai Mobile app developer | Mobile application developer | AI App developer | MVP App developer | Real estate app development | Healthcare app development | AI App developer | Wellness app development | MVP Mobile app development | AI Powered Mobile app | mobile apps ai | Android apps ai | Mobile app developer | Fitness app developer | MVP App
Dart
Flutter
App Development
Mobile App
Android
Mobile App Development
Mobile App Design
Hybrid App Development
Smartphone
Flutter Stack
Android App Development
iOS Development
User Profile Creation
AI Mobile App Development
Firebase
Android App
Mobile App Development Consultation
Swift
iPhone & iPad Apps
iOS
Arun K.
Pathanamthitta, India
$25/hr
5.0
16 jobs
Hi, I'm Arun โ a highly efficient Full Stack Developer with strong expertise in both frontend and backend development. I have successfully completed over 5000 hours on Upwork, demonstrating my commitment, reliability, and proven ability to deliver high-quality solutions across diverse projects.
I am an expert in major languages Python, C++, C#
Working knowledge in Qt C++
Worked with ZW3D API in C++
I have knowledge in following Python web frameworks
Django | Flask
Worked with simulation software.
I have good knowledge in following technologies also
HTML | JavaScript | jQuery | AJAX | JSON |FFMPEG | WPF | Xamerin
I have project experience in Raspberry Pi, Controlling GPIO pins with QT C++
Qt Framework
Raspberry Pi
Internet of Things
Embedded C
FFmpeg
ASP.NET
Image Processing
Driver Development
ESP32
Python
C++
Arduino
PCB Design
nRF52
Autodesk AutoCAD
CAN Bus
Sahil K.
Surat, India
$6/hr
5.0
11 jobs
โญ TOP RATED FLUTTER MOBILE APP DEVELOPER | ANDROID โข IOS โข FIREBASE โข AI APPS
Need a Flutter developer who can build, scale, and maintain a production-ready mobile app?
I help startups, founders, and businesses build high-performance Flutter applications that work seamlessly across Android, iOS, Web, and Desktop.
With 3+ years of experience, Top Rated status on Upwork, and multiple successful app launches, I focus on building scalable, maintainable, and business-oriented mobile applications.
๐ WHAT I CAN BUILD
โ Flutter Mobile Apps (Android & iOS)
โ Flutter Web Applications
โ SaaS MVP Development
โ Firebase & Supabase Integration
โ AI-Powered Mobile Applications
โ Real-Time Chat Applications
โ E-commerce Applications
โ Booking & Marketplace Platforms
โ Social Media Applications
โ Healthcare & Telemedicine Apps
โ Education & E-learning Platforms
โ Sports & Prediction Applications
โ Business Management Systems
โก CORE EXPERTISE
โข Flutter & Dart
โข Firebase (Firestore, Authentication, Cloud Functions, FCM)
โข Supabase
โข REST APIs & GraphQL
โข GetX, BLoC, Provider, Riverpod
โข Clean Architecture & MVVM
โข Google Maps & Geolocation
โข Stripe & Razorpay Integration
โข In-App Purchases & Subscriptions
โข Push Notifications
โข AI Integration (OpenAI, ChatGPT, OCR, Voice Features)
โข CI/CD & Store Deployment
๐ WHY CLIENTS HIRE ME
โข Clean & Scalable Code
โข Fast Communication
โข On-Time Delivery
โข Strong Problem Solving
โข Long-Term Support
โข Business-Focused Development
I don't just build appsโI help turn ideas into products that users actually use and businesses can grow.
Whether you need an MVP, a complete mobile application, feature development, bug fixing, API integration, Firebase setup, or App Store/Play Store deployment, I can help.
Client Feedback:-
"It was a good consultation. Sahil understands things in one go. No need to do any repetations.
Will 100% work with him in future on more projects."
"Had a good time with Sahil. he completed the task within time without any issues and also helped to fix some extra couple of bugs. Will probably work with him in near future."
"Sahil did an excellent job on my FlutterFlow project. He was fast, attentive, and solved all the technical issues I needed. His communication was clear and he was always willing to help. Iโm very satisfied with the final result and I totally recommend him."
"Wanted Sahil to complete a task on immediate basis. He completed task in time . He was very cooperative. He is always available for discussion. I would like to work with him in future."
Let's discuss your project and create a clear roadmap for success.
Best Regards,
Sahil Khunt
KEYWORDS:
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
Dart
Mobile App Development
App Development
FlutterFlow
Flutter Stack
Smartphone
Firebase
API Integration
Web Application
Android App Development
iOS Development
AI App Development
Hybrid App Development
Mobile App Development Consultation
AI Mobile App Development
Mobile App Bug Fix
Website to Mobile App Conversion
Mobile App Design
Bharat P.
Jodhpur, India
$10/hr
5.0
10 jobs
Flutter Developer | AI App Developer | FlutterFlow | AI Agents | iOS & Android | GPT-5 | OpenAI | Claude | Startup MVP | SaaS
Building a successful app today requires more than writing code. It demands the right architecture, exceptional user experience, and AI capabilities that create real business value. Whether you're launching a startup, building an MVP, modernizing an existing application, or developing an AI-powered product, I help turn ideas into scalable, production-ready applications.
Hi, I am Bharat, a Flutter Developer and AI App Developer with 10+ years of experience building high-performance mobile applications for startups, SaaS companies, enterprises, and growing businesses worldwide.
I specialize in Flutter, FlutterFlow, AI-powered mobile apps, AI Agents, and scalable backend systems that combine clean architecture, modern UI, and intelligent automation. From product strategy to deployment, I deliver reliable applications built for long-term growth.
What I Can Build
โ Flutter Mobile Applications
โ FlutterFlow Applications
โ AI-Powered Mobile Apps
โ AI Agents & AI Assistants
โ AI Chatbots
โ Startup MVPs
โ SaaS Applications
โ Cross-Platform Apps
โ Enterprise Mobile Solutions
โ Mobile App Modernization
โ Feature Development & Bug Fixing
โ Performance Optimization
โ API Integration
โ Firebase Applications
โ App Store & Google Play Deployment
Mobile Development Expertise
I build scalable applications using:
โข Flutter โข FlutterFlow โข Dart โข Swift โข SwiftUI โข Kotlin โข Android SDK โข iOS Development โข Clean Architecture โข MVVM โข BLoC โข Riverpod โข Provider โข GetX โข Material Design โข Responsive UI โข Pixel-Perfect UI
AI App Development
I help businesses integrate AI that improves user experience, automates workflows, and creates smarter products.
My AI expertise includes:
โข OpenAI API โข GPT-5 โข Claude API โข Gemini โข AI SDK โข AI Agents โข Agentic AI โข AI Assistants โข AI Chatbots โข Prompt Engineering โข AI Automation โข AI Workflow โข RAG โข Vector Databases โข Semantic Search โข Document Processing โข Voice AI โข AI Recommendations โข AI Content Generation
I also use modern AI engineering tools including Claude Code, Cursor AI, GitHub Copilot, OpenAI Codex, Lovable, Replit AI, and MCP (Model Context Protocol) to accelerate development while maintaining production-quality code.
Backend & Cloud
โข Node.js โข Express.js โข Python โข FastAPI โข Firebase โข Firebase Cloud Functions โข Supabase โข MongoDB โข PostgreSQL โข MySQL โข SQLite โข AWS โข Google Cloud โข Docker โข REST APIs โข GraphQL โข WebSockets
Features & Integrations
โข Authentication & Social Login
โข Firebase Authentication
โข Push Notifications (FCM, OneSignal)
โข Stripe โข PayPal โข Razorpay โข RevenueCat
โข Apple Pay & Google Pay
โข In-App Purchases & Subscriptions
โข Google Maps & Mapbox
โข Live Tracking
โข Real-Time Chat & Video Calling
โข Analytics & Crashlytics
โข GitHub Actions & CI/CD
โข App Store & Google Play Publishing
Industries
Healthcare โข FinTech โข SaaS โข AI Products โข Education โข Marketplace โข Logistics โข Food Delivery โข Travel โข Real Estate โข Fitness โข Social Networking โข Dating โข CRM โข ERP โข E-commerce โข Enterprise Software โข On-Demand Services
Why Clients Choose Me
โ 10+ Years of Experience
โ AI-First Mobile Development
โ Flutter & FlutterFlow Expert
โ AI Agents & LLM Integration
โ Startup MVP Specialist
โ SaaS Product Development
โ Clean & Scalable Architecture
โ Business-Focused Development
โ Fast Communication
โ Pixel-Perfect UI
โ Production-Ready Code
โ Long-Term Support
If you're looking for a Flutter Developer, AI App Developer, or FlutterFlow Expert who can build scalable mobile applications, integrate modern AI technologies, and take your product from idea to launch, I'd be happy to discuss your project.
Core Expertise: Flutter โข FlutterFlow โข Mobile App Development โข AI App Development โข AI Mobile Apps โข AI Agents โข Agentic AI โข GPT-5 โข OpenAI API โข Claude API โข Claude Code โข Cursor AI โข MCP โข Firebase โข Supabase โข Node.js โข FastAPI โข REST APIs โข GraphQL โข SaaS โข Startup MVP โข Cross-Platform Apps โข iOS โข Android โข LLM Integration โข AI Automation
Let's connect to discuss your project, explore the best technical approach, and build a product that delivers real business value. I look forward to becoming your long-term technology partner and helping bring your ideas to life.
Flutter
Mobile App Development
AI App Development
FlutterFlow
AI Mobile App Development
iOS Development
Android App Development
Firebase
OpenAI API
AI Agent Development
API Integration
Node.js
Supabase
GraphQL
Dart
Artificial Intelligence
ChatGPT
Claude
AI Chatbot
SaaS Development
Jatin V.
Ahmedabad, India
$25/hr
4.9
19 jobs
I am a top-rated mobile application developer with 10+ years of experience building secure, user-friendly, and high-performance applications for iOS and Android.
I specialise in developing complete mobile solutions using Flutter, React Native, Swift, and Kotlin, along with integrating modern AI technologies such as OpenAI, ChatGPT, Claude, Gemini, speech recognition, intelligent automation, and custom AI assistants.
Mobile Application Development
==========================
* Flutter and React Native applications
* Native iOS development using Swift
* Native Android development using Kotlin and Java
* Cross-platform mobile application development
* SaaS and subscription-based mobile apps
* Marketplace and on-demand applications
* Booking, e-commerce, healthcare, education, and business apps
* Payment gateway and third-party API integrations
* Admin dashboards and backend development
* App Store and Google Play deployment
AI Development and Integration
=========================
* OpenAI, ChatGPT, Claude, and Gemini integration
* AI chatbots and virtual assistants
* AI-powered mobile applications
* Retrieval-Augmented Generation systems
* Custom knowledge-base assistants
* Voice assistants and conversational AI
* Speech-to-text and text-to-speech integration
* Audio transcription and meeting summarization
* AI content generation and document processing
* OCR and intelligent data extraction
* Image recognition and computer vision
* Recommendation systems
* Predictive analytics and forecasting
* AI workflow automation
* API-based AI integrations
* Custom AI and machine-learning solutions
Backend and Cloud Technologies
==========================
* Node.js, NestJS, Express, and Python
* PostgreSQL, MySQL, MongoDB, Firebase, and Supabase
* REST APIs and third-party integrations
* AWS, Google Cloud, Docker, and scalable cloud deployment
I can support your project from initial planning and UI/UX design through development, AI integration, testing, deployment, and ongoing maintenance.
Whether you need a new AI-powered mobile application, want to add AI features to an existing app, or require a complete product development team, I can help you turn your idea into a reliable and scalable solution.
Letโs discuss your requirements and identify the best technical approach for your project.
React Native
Flutter
Swift
Kotlin
Laravel
Augmented Reality
Virtual Reality
MERN Stack
MEAN Stack
WordPress
Shopify
Unity
Unreal Engine
3D Animation
3D Rendering
Shubham N.
Noida, India
$20/hr
4.9
63 jobs
iOS & Mobile App Developer with 12+ years of experience building, scaling, and maintaining production-ready mobile applications using Swift, SwiftUI, React Native, and Flutter.
As a Top Rated Plus freelancer with 100% Job Success, I've completed 50+ projects and 6,000+ hours on Upwork, helping startups, businesses, and established companies turn ideas into reliable, scalable mobile products.
Many apps work well initially but start struggling after launch with crashes, slow performance, scaling issues, and messy code. The root cause is often the architecture. I focus on building and fixing mobile systems that remain stable and scalable as they grow.
I personally lead every project from planning to delivery. For larger scope, I work with my in-house team of 25+ developers across iOS, Android, Web, QA, and DevOps. You get a single point of contact with full execution behind it.
๐ What I can help you with:
โ iOS App Development โ Swift, SwiftUI, UIKit
โ Mobile App Development โ React Native & Flutter
โ MVP to Production โ Build, launch, and scale mobile products
โ Existing App Development & Rescue โ Fix bugs, crashes, performance and technical debt
โ App Architecture & Refactoring โ Clean Architecture, MVVM, MVC
โ Performance & Stability โ Crash reduction, optimization and scalable codebases
โ API & Third-Party Integrations โ REST, GraphQL, Firebase, payments, maps, analytics
โ App Store Launch & Maintenance โ Testing, deployment, updates and ongoing support
โ๏ธ Core Development & Features:
โ Local database (Core Data, SQLite), offline sync
โ API integration (REST, GraphQL)
โ Authentication (Apple, Google, OAuth, JWT)
โ Push notifications (APNs, Firebase)
โ Background tasks & lifecycle handling
โ Secure data handling & performance tuning
๐ฅ Advanced Integrations:
โ AI integrations (OpenAI, ChatGPT features)
โ Payments (Apple Pay, Stripe, in-app purchases, subscriptions)
โ Location services (GPS, MapKit, Google Maps)
โ Real-time chat & messaging (Firebase, WebSockets)
โ Analytics (Firebase, Mixpanel)
โ Media handling (image/video upload, streaming)
๐ข Proven Work:
โญ Built and maintained a production system running across 150+ stores for Red Swan Pizza
๐ Extended Capabilities:
โ Backend coordination (Node.js, Firebase, AWS)
โ Android development support via team (Kotlin, Jetpack, Room)
โ Scalable system design for long-term growth
If you're building a new app or scaling an existing one, I can help you choose the right technical direction and avoid costly mistakes early.
๐ Feel free to message me. Happy to review your app or idea before we start.
iOS Development
Mobile App Development
Swift
SwiftUI
React Native
Flutter
UIKit
Objective-C
Apple Xcode
Mobile App Development Consultation
App Development
API Integration
REST API
Firebase
In-App Purchases
Payment Gateway Integration
Push Notifications
Mac OS App Development
AI App Development
Website to Mobile App Conversion
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