I build AI-powered iOS apps โ the kind where the AI feature IS the product, not a bolt-on.
In the last 3 years I've shipped apps like:
๐ธ A skin-safety scanner โ user photographs a product, app reads the label and flags harmful ingredients
๐ฝ๏ธ A calorie tracker โ user photographs food, app estimates protein/fat/carbs from the image
๐ง An audio-based hearing app with real-time processing
๐ก๏ธ Utility apps (TempCheck, Minecraft Manual, Melon) โ for daily-use consumer products
If your app needs a camera, a model, and a clean SwiftUI interface working together smoothly โ that's exactly what I do.
WHAT I BRING:
โ SwiftUI / UIKit โ native, performant, App Store-ready
โ Computer Vision & OCR โ camera capture โ analysis โ results pipeline
โ OpenAI / ChatGPT API integration โ prompt design, streaming responses, cost-aware architecture
โ Firebase & REST API integration โ auth, storage, real-time data
โ Subscriptions & In-App Purchases โ StoreKit, paywalls, revenue-ready from day one
โ App Store deployment โ TestFlight, submission, review-process handling
HOW I WORK:
I write clean, maintainable Swift and communicate proactively โ daily updates if you want them, clear estimates before I start, and no surprises mid-project. I've taken apps from a Figma file (or just an idea) to the App Store.
Have an AI feature you're not sure is technically possible on iOS? Message me โ I'll tell you honestly whether it's feasible before you spend a dollar.
โ Hamza Abdul Rehman
iOS Development
AI Mobile App Development
SwiftUI
In-App Purchases
RESTful API
Firebase
OpenAI API
GPT-4
Computer Vision
Machine Learning
API Integration
Core ML
Artificial Intelligence
Agha Mehboob A.
Lahore, Pakistan
$15/hr
5.0
2 jobs
With 7+ years of experience as a Full Stack & Mobile Developer, I specialize in designing, building, and scaling high-performance applications across the entire product lifecycle from idea, architecture, and development to deployment and long-term maintenance.
I work across both frontend and backend systems, with strong expertise in React.js, React Native, Flutter, Node.js, and Ruby on Rails, delivering scalable and production-ready solutions. On the backend, I build secure and efficient APIs, database architectures, and integrations using PostgreSQL, MySQL, MongoDB, Redis, Firebase, and Supabase, along with cloud deployment on AWS and modern DevOps workflows.
I also leverage AI-assisted development tools (Claude, ChatGPT, Cursor) to speed up development cycles, improve code quality, and enhance architectural decisions while maintaining clean and maintainable codebases.
Core expertise:
- Full Stack Development (React, Node.js, Ruby on Rails)
- Mobile App Development (React Native, Flutter)
- API Development & Third-party Integrations
- Database Design & Optimization (SQL & NoSQL)
- Cloud Deployment (AWS, Firebase, Supabase)
- Admin dashboards & SaaS platforms
- Performance optimization & scaling applications
- App store deployment (iOS & Android)
I focus on scalable architecture, clean code, and business-driven engineering, ensuring every product is reliable, maintainable, and ready for growth.
If you're looking for a developer who can handle both frontend + backend + mobile with ownership from start to finish, letโs connect and build something impactful.
Let's connect for more discussion.
Redux
Requirements Specification
JavaScript
Localization
iOS
Vue.js
API Integration
React Native
Agora Video SDK
MERN Stack
Firebase
Google Maps
Mapbox
Node.js
React
Naeem U.
Lahore, Pakistan
$15/hr
5.0
16 jobs
Flutter Developer (8 yrs) building production iOS & Android apps, specializing in apps that connect to hardware or sync data in real time: Bluetooth/BLE device pairing, IoT integration, live location tracking, and offline-first sync.
Started as a native Android developer, moved into Flutter early, so I bring native platform depth (Kotlin, Swift, Java) plus Flutter's cross-platform speed to every build.
RECENT WORK:
1-Supervised-release monitoring app: BLE device pairing, live GPS tracking, automated check-ins, cloud backend
2-Property management platform: real-time listings, cloud database, multi-user sync
3-E-commerce and parking/IoT apps: payment integration, hardware-to-app communication
WHAT I HANDLE END-TO-END:
โ MVP development: Figma/design files to published App Store & Play Store app
โ Bluetooth & IoT integration: device pairing, real-time hardware sync
โ Firebase / cloud backend: Auth, Firestore, push notifications, analytics
โ REST API & WebSocket integration
โ Payment gateways & in-app purchases
โ Offline-first apps: local storage (Hive, SQLite) with cloud sync
โ State management: BLoC, Riverpod, Provider, GetX
โ Performance fixes, refactoring, and legacy codebase cleanup
โ App Store / Play Store release management
TECH STACK:
Flutter, Dart, Kotlin, Swift, Java, Firebase, REST APIs, WebSockets, Bluetooth/BLE, GPS/location services, SQLite, Hive, BLoC, Riverpod, Provider, GetX, CI/CD (GitLab, TestFlight, Play Console)
Top Rated Plus on Upwork. Former "Best Android Developer of the Year" (previous company). I've also led dev teams, not just written solo code, so I can scope realistically and communicate clearly on timelines.
If your project involves connecting an app to a device, a real-time backend, or both, send me an invite and I'll take a look.
Mobile App Development
Flutter
Bluetooth LE
Arduino IDE
Firebase
Mobile App Design
Mobile App Bug Fix
Android App
iOS Development
Google Maps
User Profile Creation
SaaS Development
Bluetooth
Smartphone
API Integration
Internet of Things
Irfan M.
Lahore, Pakistan
$15/hr
5.0
1 jobs
๐๐๐ง๐ข๐จ๐ซ ๐๐๐๐๐ญ ๐๐๐ญ๐ข๐ฏ๐ ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐๐ซ | ๐ข๐๐ & ๐๐ง๐๐ซ๐จ๐ข๐ | ๐๐ฑ๐ฉ๐จ | ๐ ๐ข๐ง๐๐๐๐ก & ๐๐จ๐ ๐๐ฉ๐ฉ๐ฌ | ๐๐ฒ๐ฉ๐๐๐๐ซ๐ข๐ฉ๐ญ & ๐๐๐ญ๐ข๐ฏ๐ ๐๐ง๐ญ๐๐ ๐ซ๐๐ญ๐ข๐จ๐ง๐ฌ | ๐๐๐ญ๐ข๐ฏ๐ ๐๐๐ | ๐๐ฒ๐ฉ๐๐๐๐ซ๐ข๐ฉ๐ญ | ๐๐๐ | ๐๐๐๐
I help startups and enterprises build scalable, high-performance mobile applications that deliver exceptional user experiences and measurable business results.
With 5+ years of professional experience in React Native development, I specialize in architecting and delivering production-grade mobile applications across FinTech, Crypto, Logistics, and IoT industries. My focus is not simply building screens it's engineering reliable, secure, and scalable products that users trust and businesses can grow on.
My applications serve millions of users worldwide, process high-volume transactions, and maintain the performance standards expected from modern native mobile experiences.
โโโโโโโโโโโโโโโโโโโโโโ
๐ฑ MOBILE DEVELOPMENT EXPERTISE
โโโโโโโโโโโโโโโโโโโโโโ
โ React Native (Expo & Native CLI)
โ TypeScript & Modern JavaScript
โ iOS & Android Development
โ Native Module Integration (Swift & Kotlin)
โ REST APIs & WebSockets
โ BLE & IoT Connectivity
โ Firebase & Push Notifications
โ Google Maps & Real-Time Tracking
โ Payment Gateway Integration
โ App Store & Google Play Deployment
โ CI/CD Automation
โ Performance Optimization
โโโโโโโโโโโโโโโโโโโโโโ
๐๏ธ WHAT I BUILD
โโโโโโโโโโโโโโโโโโโโโโ
โข FinTech & Crypto Applications
โข Digital Wallets
โข Trading Platforms
โข IoT & BLE Connected Applications
โข Logistics & Fleet Management Systems
โข Real-Time Tracking Solutions
โข SaaS Mobile Platforms
โข Marketplace Applications
โข Subscription-Based Products
โข Enterprise Mobile Solutions
โโโโโโโโโโโโโโโโโโโโโโ
โก ENGINEERING APPROACH
โโโโโโโโโโโโโโโโโโโโโโ
I design applications with long-term scalability in mind.
โ Clean Architecture
โ SOLID Principles
โ Modular Codebases
โ Type-Safe Development
โ Automated Testing
โ Performance Monitoring
โ Secure Data Handling
โ Production-Ready Deployments
Whether you're launching an MVP or scaling an existing platform, I build maintainable solutions that reduce technical debt and support future growth.
โโโโโโโโโโโโโโโโโโโโโโ
๐ฅ SPECIALIZED EXPERIENCE
โโโโโโโโโโโโโโโโโโโโโโ
๐ฐ FinTech & Crypto
โข Secure authentication systems
โข KYC integrations
โข Wallet management
โข Payment processing
โข Transaction monitoring
โข Regulatory-compliant mobile experiences
๐ก IoT & Connected Devices
โข BLE communication
โข MQTT integrations
โข Real-time sensor monitoring
โข Device provisioning
โข Telemetry dashboards
โข Offline-first architecture
๐ Logistics & Operations
โข Live GPS tracking
โข Route optimization
โข Driver management
โข Real-time notifications
โข Operational dashboards
โโโโโโโโโโโโโโโโโโโโโโ
๐ SELECT PROJECT HIGHLIGHTS
โโโโโโโโโโโโโโโโโโโโโโ
๐น FinTech Platform
Contributed to a crypto-focused mobile platform supporting thousands of active users with secure transactions and real-time financial operations.
๐น Logistics Tracking Solution
Built a real-time tracking ecosystem integrating maps, payment systems, and operational workflows for seamless delivery management.
๐น IoT Monitoring Application
Developed a scalable mobile dashboard leveraging MQTT and real-time data synchronization to achieve highly reliable device communication.
โโโโโโโโโโโโโโโโโโโโโโ
๐ ๏ธ TECHNOLOGY STACK
โโโโโโโโโโโโโโโโโโโโโโ
Frontend:
React Native, Expo, TypeScript, JavaScript, Redux Toolkit, React Query, Reanimated
Mobile:
iOS, Android, Native Modules, BLE, Push Notifications, Deep Linking
Backend Integration:
REST APIs, GraphQL, Firebase, WebSockets
Testing:
Jest, Detox, React Native Testing Library
DevOps:
Bitrise, GitHub Actions, Fastlane, CI/CD
โโโโโโโโโโโโโโโโโโโโโโ
๐ค WHY CLIENTS HIRE ME
โโโโโโโโโโโโโโโโโโโโโโ
โ Strong communication and ownership
โ Clean, maintainable code
โ Architecture-first mindset
โ Business-focused development
โ Reliable delivery timelines
โ Experience with complex mobile systems
If you're looking for a React Native specialist who can take ownership of your mobile product, solve complex technical challenges, and deliver a polished experience for your users, let's discuss your project.
React Native
TypeScript
Mobile App Development
iOS Development
Android App Development
Redux
Jest
CI/CD
Fastlane
Stripe
Google Maps
Swift
Kotlin
Internet of Things
Firebase
Rakhshan M.
Lahore, Pakistan
$15/hr
5.0
1 jobs
This is Rakhshan, a React Native developer. I've been doing this for 5 years and shipped 100+ apps to the App Store and Google Play, so I've pretty much seen every kind of headache a mobile project can throw at you.
The last couple of years I've leaned into AI, voice-to-text, chat features, smart workflows, that kind of thing. One of my recent builds, MedWrite, uses Whisper API to turn a doctor's spoken notes into a discharge letter automatically. Hospital staff went from writing these by hand to just talking for a minute. Small feature, big time saved.
Outside of AI work, I just handle the whole app build, start to finish:
โ React Native + Expo development (iOS & Android)
โ AI/LLM integration โ voice-to-text, chatbots, smart automations
โ Real-time features with WebSockets (chat, live updates, notifications)
โ Node.js & Express.js for backend and APIs
โ Smooth animations with Reanimated
โ Computer vision & OCR โ ML Kit, VisionCamera
โ Payments & KYC โ Stripe, Plaid, Cybrid, Persona
โ Firebase, REST APIs, third-party SDKs
โ Bug fixing, performance tuning, and getting your app actually live on the stores
A few apps I've built:
MedWrite: AI medical app, voice-to-text with Whisper (Google Play)
KrillPay: fintech app with KYC and Plaid bank transfers (App Store)
Buku Tatu Loyalty: QR-based rewards app, built from the ground up (App Store)
Booqit: marketplace app with real-time chat and payments (App Store)
I also went through the LangChain certification, mostly so I'm not just bolting AI features onto an app blindly, I actually understand what's happening on the AI side too. Saves everyone time when I can talk directly with your AI or backend team instead of just waiting on specs.
If you've got an app idea with AI at the center, or you want to bring smart features into something that already exists, send me a message. I like hearing what people are building, even if it's still rough.
Looking forward to working together on your project.
Thanks
React Native
Mobile App Development
iOS Development
Android App Development
JavaScript
TypeScript
Firebase
Redux
RESTful API
API Integration
Stripe
Push Notifications
Google Maps API
Expo.io
Git
App Store Optimization
Native App
Node.js
MongoDB
React
Muneeb R.
Lahore, Pakistan
$14/hr
4.7
22 jobs
๐ ๐ฐ๐ฎ๐ป ๐ฎ๐ฑ๐ฑ ๐๐-๐ฝ๐ผ๐๐ฒ๐ฟ๐ฒ๐ฑ ๐ณ๐ฒ๐ฎ๐๐๐ฟ๐ฒ๐, ๐ฟ๐ฒ๐ฎ๐น-๐๐ถ๐บ๐ฒ ๐ณ๐๐ป๐ฐ๐๐ถ๐ผ๐ป๐ฎ๐น๐ถ๐๐, ๐๐๐ฏ๐๐ฐ๐ฟ๐ถ๐ฝ๐๐ถ๐ผ๐ป๐, ๐ฎ๐ป๐ฑ ๐๐ฐ๐ฎ๐น๐ฎ๐ฏ๐น๐ฒ ๐ฆ๐๐ฝ๐ฎ๐ฏ๐ฎ๐๐ฒ ๐ฏ๐ฎ๐ฐ๐ธ๐ฒ๐ป๐ฑ๐ ๐๐ผ ๐๐ผ๐๐ฟ ๐ฅ๐ฒ๐ฎ๐ฐ๐ ๐ก๐ฎ๐๐ถ๐๐ฒ ๐ฎ๐ฝ๐ฝ ๐๐ต๐ถ๐น๐ฒ ๐ธ๐ฒ๐ฒ๐ฝ๐ถ๐ป๐ด ๐๐ต๐ฒ ๐ฒ๐ ๐ฝ๐ฒ๐ฟ๐ถ๐ฒ๐ป๐ฐ๐ฒ ๐ณ๐ฎ๐๐, ๐๐๐ฎ๐ฏ๐น๐ฒ, ๐ฎ๐ป๐ฑ ๐ฝ๐ฟ๐ผ๐ฑ๐๐ฐ๐๐ถ๐ผ๐ป-๐ฟ๐ฒ๐ฎ๐ฑ๐.
If you need a React Native developer who can handle more than mobile UI development, I can help you build, improve, integrate, and deploy complete iOS and Android applications. I work across React Native, Expo, TypeScript, Supabase, Node.js, REST APIs, Firebase, AI APIs, RevenueCat, and third-party integrations to turn product requirements into reliable mobile applications.
My profile includes 5+ years of hands-on development experience, 13+ live applications, 20 completed jobs, 2,624+ Upwork hours, and $20K+ in earnings and Top Rated Upwork freelancer
๐ช๐๐๐ง ๐ ๐๐๐ก ๐๐จ๐๐๐
โ React Native mobile applications for iOS and Android
โ Expo-based mobile app development
โ AI-powered mobile applications
โ OpenAI and Groq API integration
โ RAG-based document chat applications
โ AI tutoring and content generation features
โ AI Vision, OCR, image recognition, and screenshot analysis
โ Supabase authentication, PostgreSQL, Realtime, and Storage
โ Real-time chat, feeds, synchronization, and collaboration
โ RevenueCat subscriptions, paywalls, trials, and entitlements
โ In-App Purchases and mobile monetization
โ REST API and Node.js/Express integration
โ Firebase integration
โ Stripe and payment gateway integration
โ Google Maps and location-based functionality
โ Push notifications
โ App debugging and performance optimization
โ App Store and Google Play deployment
โ Existing React Native app maintenance and feature development
โ React / Next.js admin panel integration
โ Full-stack mobile application development
๐๐ & ๐ ๐ข๐๐๐๐ ๐๐ฃ๐ฃ ๐๐๐ฉ๐๐๐ข๐ฃ๐ ๐๐ก๐ง
โ AI chatbot and conversational mobile applications
โ RAG document chat for PDFs, audio, and video
โ OpenAI GPT-powered application features
โ Groq-powered AI integrations
โ AI study and tutoring applications
โ AI goal planning and recommendation features
โ Vision API and OCR workflows
โ Prompt design and AI API integration
โ AI response speed and cost optimization
๐๐๐๐๐๐ก๐ & ๐ฅ๐๐๐-๐ง๐๐ ๐ ๐๐๐ฉ๐๐๐ข๐ฃ๐ ๐๐ก๐ง
โ Supabase Auth
โ PostgreSQL database development
โ Supabase Realtime
โ Supabase Storage
โ Row-Level Security
โ Node.js and Express
โ REST API integration
โ Firebase
โ Real-time synchronization
โ Real-time chat and feeds
โ Push notifications
๐ ๐ข๐๐๐๐ ๐๐ฃ๐ฃ๐๐๐๐๐ง๐๐ข๐ก ๐ง๐ฌ๐ฃ๐๐ฆ
โ AI Chatbot & RAG Applications
โ AI Vision & OCR Apps
โ Fitness & Nutrition Apps
โ Social & Community Apps
โ Real-Time Chat Applications
โ Marketplace & Dual-Sided Platforms
โ Logistics & Delivery Apps
โ Route Planning & GPS Apps
โ EdTech & Productivity Apps
โ Subscription & SaaS Applications
โ Booking & Scheduling Apps
โ Coaching Applications
๐ฃ๐ฅ๐ข๐๐๐๐ง ๐๐ซ๐ฃ๐๐ฅ๐๐๐ก๐๐
โ ParentOps โ React Native mobile application
โ Prayed Up โ React Native mobile application
โ NourishNet โ React Native mobile application
โ Ghost Mode anonymous group chat functionality
โ React Native fitness application development
โ AI-powered mobile application development
โ RevenueCat subscription integration
โ React Native deployment and post-launch support
๐ช๐๐ฌ ๐๐๐๐๐ก๐ง๐ฆ ๐๐๐ข๐ข๐ฆ๐ ๐ ๐
โ 5+ years of React Native and mobile development experience
โ 13+ live applications and production-ready MVPs
โ 20 Upwork jobs and 2,624+ Upwork hours and Top Rated freelancer
โ $20K+ Upwork earnings and 95% Job Success Score
โ Full-stack understanding from mobile UI to backend systems
โ Experience with App Store and Google Play deployment
๐ง๐ข๐ข๐๐ฆ & ๐ง๐๐๐๐ก๐ข๐๐ข๐๐๐๐ฆ
โ React Native, Expo, React
โ TypeScript, JavaScript
โ Supabase, PostgreSQL, Firebase
โ Node.js, Express
โ Redux
โ REST APIs
โ OpenAI API, Groq
โ RAG, OCR, Vision APIs
โ RevenueCat, In-App Purchases
โ Stripe
โ Google Maps
โ GitHub
โ iOS and Android development
๐๐ก๐๐จ๐ฆ๐ง๐ฅ๐๐๐ฆ
โ Artificial Intelligence
โ SaaS
โ Fitness & Wellness
โ Education & EdTech
โ Social & Community
โ Marketplace
โ Logistics
โ Productivity
โ Healthcare-related applications
โ Consumer Mobile Applications
Let's discuss your React Native, AI, Supabase, or mobile application project and turn your requirements into a production-ready solution.
React Native Developer, React Native App Development, Mobile App Development, AI App Development, AI Mobile App, React Native AI, Supabase Developer, Supabase Backend, Expo Developer, iOS App Development, Android App Development, TypeScript Developer, Node.js Developer, OpenAI API, Groq API, RAG Development, AI Chatbot, OCR Integration, RevenueCat, In-App Purchases, Firebase, REST API, React Developer, Full-Stack Developer, Mobile SaaS, Real-Time App, API Integration, App Deployment, Mobile Application Development
React Native
Mobile App Development
Supabase
AI App Development
OpenAI API
Expo.io
React
iOS Development
Android App Development
TypeScript
Node.js
Redux
REST API
In-App Purchases
Firebase
Full-Stack Development
Push Notifications
JavaScript
Google Maps
Third-Party Integration
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