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I will fix, update and add features to your flutter firebase app
Sultan
About this gig
Need help with an existing Flutter app?
I can fix bugs, update your Flutter application, add new features and integrate Firebase functionality while keeping your existing app structure and user flow in mind.
I specialize in Flutter, Dart, Firebase, REST API's, authentication, databases, push notifications, and third-party integrations.
What I can help with:
* UI improvements and responsive Flutter screens
* Fix Flutter app bugs and crashes
* Add new features to an existing app
* Firebase Authentication + Storage
* Firestore database integration
* Firebase Cloud Messaging / Push Notifications
* Firebase configuration and troubleshooting
* REST API integration
* State management and code cleanup
* Existing app maintenance and updates
* Android and iOS Flutter issues
* Performance and functionality improvements
* App configuration and deployment support
Whether you have a small bug, need a new feature or want to continue development of an existing Flutter/Firebase application, send me your project details and I will review the requirements before starting.
*Contact me before ordering* so I can understand your existing app, requirements and project scope.
Get to know Sultan
Sultan
Expert Flutter, FlutterFlow, React Native, Node js, Kotlin Developer for Student
- FromPakistan
- Member sinceOct 2024
- Last delivery4 months
Languages
Urdu, English, German, Arabic, French, Spanish
🙋🏻♂️ Hi there, I’m Sultan — Expert Mobile Apps & Web Developer
I'm a Professional Flutter | FlutterFlow | React Native | Node.js | PHP/Laravel | Kotlin | Java Developer, specializing in high-performance mobile apps & modern web solutions.
I provide custom coding solution, university-level assignments, final-year projects, long-term student projects with fast delivery & production-ready quality.
🌍 Global Client Experience:
I successfully delivered projects for students & clients worldwide, including:
USA | UK | Canada | Germany | Australia | Japan | Singapore | Saudi Arabia | UAE | Europe
My Portfolio
FAQ
Do you work on existing Flutter apps?
Yes. I can work with an existing Flutter project and help fix bugs, add features, improve screens, integrate Firebase/APIs and continue development.
Can you fix Firebase issues?
Yes. I can troubleshoot and work with Firebase Authentication, Firestore, Storage, Cloud Messaging and other Firebase services used by your application.
Can you add new features to my existing app?
Yes. Please send the feature requirements and, if possible, screenshots or a short video of the current app.
Can you work with an existing codebase?
Yes. I can review the existing Flutter structure and implement changes while keeping the current architecture and functionality in mind.
Do you develop both Android and iOS apps?
lutter allows the same application codebase to target Android and iOS. The exact scope depends on the existing project and requirements.
Can you fix Flutter errors or crashes?
Yes. Send me the error message, logs, screenshots, or project details and I can review the issue.
Should I contact you before ordering?
Yes. For existing applications, requirements and codebase complexity can vary significantly, so contacting me before ordering helps establish the correct scope and price.
