PRIVYA
Private sales platform with Flutter app + Next.js back office, Stripe payment and integrated logistics.
- E-commerce
- Private sales platform, e-commerce
- 2026 · Live
Problem
Flash sales with real-time stock management, secure payments (COD + Stripe), dual frontend.
System
Event-driven architecture for flash sales, Supabase realtime for stock, Stripe webhook HMAC.
- A shopping app and a web back office on the same data.
- Flash sales with stock updated in real time.
- Card payment and cash on delivery.
- A supplier catalogue synced every 15 minutes: new articles arrive hidden and staff publish them from the back office.
Built with: Flutter, Next.js 16, Supabase, Stripe
How it runs
How a supplier article reaches the shop. The system prepares, a person publishes.
Every 15 minutes the supplier catalogue is read
Runs aloneNew articles are created, hidden from shoppers
Runs aloneStaff open the article, set the sale dates and publish
Hands over to a personEach sync is kept in a history that an admin can undo
Runs alone
Result
- Thousands of products.
- 30+ screens in the mobile app.
- Payment: Card and cash on delivery.