The native foundation
I architected the iOS app from the ground up around video-first content and marketplace flows.
Circlin
A video-first fashion marketplace for Switzerland. Native iOS architecture and backend services, connected under one technical owner.
01 / The product
More than a listing.
Circlin puts video at the heart of buying and selling pre-loved fashion. Its selling assistant helps with product detection and listing descriptions, while the marketplace brings discovery, payment, and shipping into the same experience.
02 / My contribution
The service boundary
I implemented GraphQL backend services to connect the mobile experience with marketplace operations.
Selling assistance
I integrated AI-powered listing creation, including product detection and description generation.
The transaction
My backend work included Stripe payment processing and Swiss Post shipping integration.
03 / The shape of the work
Across the app
and the backend.
The work spans the native app and its backend—not just a set of screens. That breadth matters when the experience depends on several services working together.
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