Contact person: Business Client

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Location: Bengaluru, India

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"I’m building a single code-base application in C# (.NET 7/8) with .NET MAUI that must ship simultaneously on iOS, Android, and Windows. The core scope is clear: email-and-password sign-up / sign-in, real-time push notifications, and fully native in-app purchases on each store.

Authentication should follow best practices—salted hashing, secure token handling, and a smooth forgot-password flow. Push notifications need to route through FCM for Android, APNs for iOS, and the Windows notification service, with badge and alert support. For in-app purchases I need product retrieval, purchase flow, receipt validation, and graceful fallback when a purchase is interrupted.

I’m expecting a clean MVVM architecture, dependency injection, and platform-specific services abstracted behind interfaces so future features drop in easily. Shared UI must respect native guidelines yet keep a consistent brand feel.

Deliverables
• MAUI solution with well-commented source
• Build-ready projects for iOS, Android (AAB), and Windows (.msix)
• Brief setup & deployment guide
• Test credentials and demo products so I can verify auth, notifications, and purchase flows end-to-end

I’ll run code review and functional tests on each platform before final sign-off. If this fits your expertise, I’m ready to move quickly." (client-provided description)