I will build a custom flutter mobile frontend for your legacy sql or sap database


About this gig
Do you have an existing SQL or SAP system but need a modern mobile interface for your users?
I can build a custom Flutter mobile frontend that connects your existing business system through an available API or secure integration layer. This is ideal for businesses that want to modernize the mobile experience without replacing their existing database or backend.
I can help with:
Custom Flutter mobile UI
Android and iOS frontend
SQL-backed application interfaces
SAP-connected mobile interfaces
REST API integration
Legacy system frontend modernization
Login and user screens
Forms, dashboards and data views
Existing API integration
Clean and maintainable Flutter code
The goal is to keep your existing business logic and data structure while creating a practical mobile experience around it.
Whether you need a simple mobile interface for an existing SQL database or a Flutter frontend connected to an SAP-based business system, I can help turn your existing infrastructure into a usable mobile experience.
ORDER NOW!!! message me before ordering so I can review your system and confirm the right scope.
Get to know Harper
Graphic designer
- FromUnited States
- Member sinceSep 2026
- Avg. response time1 hour
Languages
English
FAQ
Can you connect Flutter directly to my SQL database?
I recommend connecting Flutter through a secure API or backend layer rather than exposing the database directly to the mobile application.
Can you work with an existing legacy system?
Yes. I can build the Flutter frontend around your existing system when the required API or integration method is available.
Can you connect Flutter to SAP?
Yes, when you provide an accessible SAP API, service layer, or other supported integration method.
Do I need to provide an API?
If the existing system requires API access, you should provide the API documentation or access details needed for integration.
Do I need to provide an API?
If the existing system requires API access, you should provide the API documentation or access details needed for integration.
Will I receive the Flutter source code?
Yes. Source code is included according to the selected package.
Can you build both Android and iOS?
Yes. Flutter allows the same frontend codebase to support both platforms, subject to your project requirements.

