Distributed Marketplace Intelligence Pipeline
Built and operate a concurrent data-collection pipeline across Grailed, Depop, and Vinted, each running as an independent systemd service against a shared PostgreSQL backend. Reverse-engineered Grailed's GraphQL API for direct structured ingestion; used Camoufox for JavaScript-heavy platforms requiring browser-level rendering. Standardized scrapers on a per-brand target-list config pattern with real-time automated alerting; designing a pgvector semantic-similarity layer to auto-flag underpriced listings.