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Travel eSIM marketplace
BackpackLink
A branded web and iOS storefront that sells travel eSIMs on top of a wholesale provider.
The problem
The client wanted to sell travel data under their own brand and pricing, with travellers online the moment they land, without building a telecom backend.
What I built
- An Express / Prisma API integrated with the wholesale provider for provisioning and live usage
- Two Next.js frontends: the customer storefront and an operations admin
- A Flutter iOS app with Stripe checkout and QR-code delivery
- Real-time support chat over socket.io
- Self-hosted CI/CD that deploys on every push
Result
Taken through full App Store readiness, with deploys automated end to end.