I will integrate rest API and firebase in flutter app

H
hassnain_haide
H
hassnain_haide
Hassnain Haider
integrate rest API and firebase in flutter app
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integrate rest API and firebase in flutter app

About this gig

I will integrate REST APIs and Firebase in your Flutter app with clean, scalable, and production-ready code.


What You Get:

  • Secure Firebase Authentication (Email, Google, Phone, etc.)
  • Firestore & Realtime Database setup
  • Cloud Storage for images/files
  • Full REST API integration (GET, POST, PUT, DELETE)
  • Proper error handling & loading states
  • State management (Provider, Riverpod, or Bloc)
  • Push notifications (FCM)
  • Real-time data synchronization
  • Secure API calls with Dio or http
  • Clean & well-documented code


My Process:

  1. Review your requirements & Figma/API docs
  2. Set up Firebase project
  3. Implement APIs with proper architecture
  4. Test thoroughly on real devices
  5. Deliver source code + setup instructions


Why Choose Me?

  • 100% manual coding (no low-code tools)
  • Experience with complex Flutter apps
  • Fast communication & on-time delivery
  • Post-delivery support available


Note: Please message me before ordering if your project is complex.

  • App type

    • Native

  • Programming language

    • Dart
    • Java
    • JavaScript
    • Kotlin
    • Python
    • Swift
    • React Native
    • Flutter

  • Frameworks

    • Flutter

  • Purpose

    • Chat
    • Dating
    • Delivery
    • Restaurant
    • Shopping
    • Taxi
    • Booking
    • Medical
    • Health & fitness
    • Education

  • Tools

    • Android Studio
    • Unity
    • Xcode
    • Firebase
    • Visual Studio Code
    • Visual Studio

  • Expertise

    • Performance
    • Security
    • Design
    • Firebase
    • API integration
    • Compatibility

Get to know Hassnain Haider

Hassnain Haider

Flutter Mobile App Developer for iOS and Android

  • FromPakistan
  • Member sinceJul 2026
  • Avg. response time1 hour

  • Languages

    English, Urdu
I’m a Software Engineer and Flutter Mobile App Developer with 5+ years of experience crafting high-quality, cross-platform mobile applications for startups, enterprises, and global clients. I specialize in building scalable, user-centric Android & iOS apps. My expertise includes seamless REST API & WebSocket integrations, payment gateways (Stripe, PayPal, Razorpay), Google services, and third-party SDKs. I excel at converting Figma designs into pixel-perfect, high-performance interfaces with exceptional user experience. {Bachelor’s in Software Engineering}.

My Portfolio