I will integrate firebase, supabase, and rest apis in flutter


About this gig
Is your Flutter app having trouble connecting to Firebase, Supabase, or a REST API?
I help businesses, startups, and developers integrate backend services into Flutter apps for Android and iOS, backed by 5+ years of development experience.
WHAT I CAN HELP YOU WITH
- Firebase Authentication and Firestore
- Supabase authentication and database
- REST API integration using JSON
- GET, POST, PUT, and DELETE requests
- User login, registration, and profiles
- Connecting app screens to backend data
- Push notifications
- API error handling and debugging
WHY WORK WITH ME?
- Clean, maintainable Flutter and Dart code
- Solutions tailored to your requirements
- Clear communication and reliable delivery
- Agreed scope before development begins
HOW TO GET STARTED
Please message me with:
- A brief description of your app
- The service you need integrated
- Your required features
- API documentation or error screenshots, if available
I'll review your requirements and recommend a suitable package or custom offer.
Need backend integration for your Flutter app? Send me a message, and let's discuss your project before you order.
Note: Complex backend development, major redesigns, and additional features may require a custom offer.
Get to know Shanza S
Flutter Backend and API Integration Specialist
- FromPakistan
- Member sinceDec 2025
- Avg. response time1 hour
- Last delivery2 months
Languages
English
My Portfolio
FAQ
What do you need to get started?
Please provide your Flutter source code, project requirements, API documentation (if available), Firebase or Supabase project access, and a list of the features or integrations you need. If you're unsure about the technical details, I can help you determine the best approach.
Which backend services can you integrate?
I can integrate Firebase, Supabase, REST APIs, GraphQL APIs, authentication, Cloud Firestore, Realtime Database, Firebase Cloud Messaging (FCM), payment gateways (Stripe, PayPal), Google Maps, social login, and other third-party services.
Can you integrate Firebase into an existing Flutter app?
Yes. I can add Firebase services to your existing Flutter project, including Authentication, Firestore, Realtime Database, Cloud Storage, Analytics, Crashlytics, and Push Notifications without affecting your current functionality.
Can you fix API or Firebase integration issues?
Absolutely. I can troubleshoot and resolve issues such as authentication errors, API failures, Firebase configuration problems, build errors, data synchronization issues, and other backend-related bugs.
Will you use Clean Architecture and best coding practices?
Yes. I follow Clean Architecture and write clean, scalable, and maintainable code using modern state management solutions like Bloc, Riverpod, Provider, or GetX, depending on your project requirements.
Will I receive the complete source code?
Yes. Once the project is completed, you'll receive the updated Flutter source code with all integrations, unless we've agreed otherwise before starting the project.
Do you provide support after delivery?
Yes. I provide post-delivery support to ensure the integration works as expected. Long-term maintenance and future feature development are also available if needed.
Should I contact you before placing an order?
Yes. Every project has different requirements. Please send me a message before ordering so we can discuss your project, confirm the scope, and choose the most suitable package for your needs.
1 reviews for this Gig
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
B brandmadam

Canada
I am still working with Shanza. She is one of the best software developers to work with. She gave me an excellent delivery
$200-$400
Price
4 weeks
Duration
Helpful?
1 reviews for this Gig
| (1) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
B brandmadam

Canada
I am still working with Shanza. She is one of the best software developers to work with. She gave me an excellent delivery
$200-$400
Price
4 weeks
Duration
Helpful?
