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Kashif M.
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Kashif M.

Senior Mobile App Developer | Android & IOS | Flutter & React Native

I am a Mobile App Developer with 8+ years of experience building production-ready mobile applications for iOS and Android platforms. I specialize as a Flutter Developer and React Native Developer, creating cross-platform mobile applications that deliver native performance and seamless user experiences. With 20+ apps published on the App Store and Google Play, I bring proven expertise as an iOS App Developer and Android App Developer, handling everything from architecture to deployment. As a Hybrid App Developer, I build applications that share a single codebase while maintaining native performance. Whether you need a Flutter Developer for a new product or a React Native Developer to scale an existing app, I deliver clean, maintainable code that grows with your business. I also have hands-on experience with IoT projects requiring Bluetooth Low Energy (BLE) integration, smart device connectivity, and AI-powered mobile applications using OpenAI APIs, ChatGPT integration, and machine learning. ■ TECHNICAL EXPERTISE ▸ Mobile App Development Flutter, Dart, React Native, TypeScript, JavaScript, Swift, Kotlin, Android SDK, iOS SDK ▸ State Management BLoC, Provider, Riverpod, GetX, Redux, MobX, Context API ▸ IoT & Bluetooth Integration Bluetooth Low Energy (BLE), Bluetooth Classic, IoT Device Communication, Wearable Integration, Smart Home Devices, Beacon Technology, Sensor Data Collection ▸ AI & Machine Learning OpenAI API, ChatGPT Integration, AI Chatbots, Image Recognition, Natural Language Processing, Voice Assistants, ML Kit, TensorFlow Lite ▸ Backend & Database Firebase, Firestore, Node.js, Express.js, MongoDB, PostgreSQL, MySQL, REST APIs, GraphQL, AWS, Serverless Architecture ▸ Integrations Stripe, Apple Pay, Google Pay, PayPal, Twilio, SendGrid, Google Maps, Mapbox, Push Notifications (FCM, OneSignal), WebSockets, Social Login, In-App Purchases ▸ DevOps & Tools Git, GitHub, GitLab, CI/CD Pipelines, Fastlane, Codemagic, Firebase App Distribution, TestFlight, Figma, Adobe XD, VS Code, Android Studio, Xcode, Postman ▸ Project Management Jira, Trello, Slack, Asana, ClickUp, Notion, Linear ■ INDUSTRIES I HAVE DELIVERED FOR ▸ Fintech: Payment apps, crypto wallets, expense trackers, budgeting apps, mobile banking ▸ Healthcare: Telemedicine apps, patient portals, health monitoring, fitness trackers ▸ E-Commerce: Marketplaces, shopping apps, delivery tracking, inventory systems ▸ EdTech: E-learning platforms, course apps, quiz applications, virtual classrooms ▸ On-Demand: Ride-sharing apps, food delivery, grocery delivery, service booking ▸ Social: Messaging apps, community platforms, dating apps, video calling ▸ Entertainment: Music streaming, video-on-demand, podcast apps, live streaming ▸ Real Estate: Property listing apps, tenant management app, rental platforms ▸ IoT: Bluetooth-connected apps, wearables apps, smart home control, medical devices ▸ AI Apps: Chatbots, virtual assistants, image recognition, voice-enabled apps ■ MY DEVELOPMENT APPROACH ▸ Clean Architecture: MVVM, modular design, testable and scalable codebases ▸ Agile Process: Sprint-based delivery with weekly progress updates ▸ Quality Assurance: Unit tests, integration tests, performance optimization ▸ Performance: Fast load times, smooth 60fps animations, efficient memory usage ▸ Full Ownership: Concept to deployment to post-launch support ■ WHAT CLIENTS GET ✓ Production-ready code that scales with your business ✓ Pixel-perfect UI implementation from Figma or Adobe XD ✓ Smooth animations and responsive interfaces ✓ Full documentation and knowledge transfer ✓ App Store and Google Play deployment handled end-to-end ✓ Post-launch support, bug fixes, updates, and maintenance ✓ Clear communication and regular progress updates ✓ A Mobile App Developer who treats your project as his own If you need a Mobile App Developer who delivers quality, a Flutter Developer who writes clean code, a React Native Developer who understands scale, an iOS App Developer who knows the Apple ecosystem, an Android App Developer who builds for diverse devices, or a Hybrid App Developer who ships faster without compromising quality, I am here to help. I am also available if you need expertise in IoT mobile apps with Bluetooth integration or AI-powered mobile applications with intelligent features. Available for long-term partnerships and serious projects. Let's build something great together.

🇺🇸Oklahoma City, United States$25/hr100% JSS5.00 (7)Since Oct 2025

Earnings and projects

MRR
$112

Last 6 months ÷ 6

World#131,720 / 412k
🇺🇸Country#17,981 / 62.1k
Revenue, last 30 days
$0

Last 6 months: $674

Total earnings
$2.6k

Billed in all: $2.6k

World#309,958 / 412k
🇺🇸Country#47,999 / 62.1k
Per project
$292

$337 in the last 6 months

World#233,508 / 412k
🇺🇸Country#37,908 / 62.1k
Projects, last 6 months
2
100% fixed0% hourly
World#88,919 / 412k
🇺🇸Country#11,761 / 62.1k
Projects in all
9

Across 10 contracts

80% fixed20% hourly
World#212,272 / 412k
🇺🇸Country#30,262 / 62.1k

Earnings, last 30 days

$2.6kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$2,550$2,600$2,650$2,700Oct 9Oct 24Nov 8

Skill rankings: Top 25% in RESTful API

Ranked by MRR among everyone on Upwork with the skill.

  1. #382NodeJS Framework1,512 freelancers · 🇺🇸 #29Top 25%
  2. #682Dart2,324 freelancers · 🇺🇸 #25Top 29%
  3. #900Swift3,634 freelancers · 🇺🇸 #91Top 25%
  4. #912App Development2,592 freelancers · 🇺🇸 #120Top 35%
  5. #1,048NestJS3,757 freelancers · 🇺🇸 #31Top 28%
  6. #1,090iOS3,908 freelancers · 🇺🇸 #101Top 28%
  7. #1,102Mobile App3,535 freelancers · 🇺🇸 #109Top 31%
  8. #1,263Android4,975 freelancers · 🇺🇸 #91Top 25%