KMP Marketplace App
Built Bismar's customer and seller apps on one shared Kotlin Multiplatform architecture, from project setup to release on the App Store and Google Play.
The product
A Kotlin Multiplatform marketplace connecting customers with construction-material merchants through two dedicated apps: Bismar and Bismar Seller. The customer app covers discovery and orders, while the seller app handles the merchant side; both share business logic across Android and iOS through Clean Architecture.
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Key decisions
A construction-materials marketplace needed two products — a customer app and a seller app — on both Android and iOS.
Kotlin Multiplatform with Clean Architecture, sharing business logic across both platforms and both apps instead of maintaining four native codebases.
Shared logic keeps behavior consistent, but the architecture boundaries have to stay strict so platform details and app-specific flows don't leak into the shared core.
Customer and seller apps are live on the App Store and Google Play.
Delivery scope
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Based in Cairo and open to remote work — full-time or contract.