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⚠️ Problem I Solved in a Production App
In a live app, users were submitting the same request multiple times due to slow network responses.
This resulted in duplicate orders and inconsistent data.
✅ Solution I Implemented
I solved this by:
• Disabling actions after the first tap in Flutter
• Adding request validation on the Node.js backend
• Using Firebase to confirm transaction state in real time
🎯 Result
✔ No duplicate requests
✔ Clean and consistent data
✔ Better user trust
💡 Lesson: Never trust the client alone — always protect logic at the backend.
#Flutter #Firebase #NodeJS #FullStackDeveloper #ProblemSolving #MobileAppDevelopment #SoftwareEngineering
The network for creativity
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