ListingLab: Automating E-commerce Cross-Posting
How we built a SwiftUI seller assistant with background removal and batch metadata generation.
Project Profile
Technologies
This project features automated end-to-end regression runs checking auth flows, payment syncs, and telemetry channels prior to production release.
01 / The Challenge
E-commerce resellers spend hours taking product photos, removing backgrounds, writing SEO-optimized descriptions, and manually copy-pasting listings across eBay, Poshmark, and Shopify.
02 / Our Solution
We developed a camera-first iOS app using Apple's Vision framework for instant, on-device background removal. We integrated OpenAI's GPT-4o-mini to generate structured marketplace metadata, and built an export pipeline mapping drafts to target marketplace APIs.
03 / System Outcome
ListingLab reduced the average listing time per item from 12 minutes to under 90 seconds, allowing resellers to list 8x more inventory daily.
System Architecture & Data Flow
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