Poshmark operates a social commerce platform for fashion resale, connecting buyers and sellers across the U.S. and Canada. Founded in 2011, the company runs a mobile-first marketplace that integrates real-time social features, enabling users to list items from their closets and discover new styles. The platform supports more than 10,000 brands across over 90 product categories.
The business is built around community engagement at scale. Its network encompasses over 165 million members and has facilitated the sale of more than 350 million items, generating over $8 billion in earnings for sellers to date.
Engineering efforts focus on a platform that blends e-commerce infrastructure with social networking mechanics. The technical challenges involve managing a large, active user base while building features that make transactions interactive and community-driven. The company's stated mission centers on putting people at the heart of commerce, with an operational focus on extending the life cycle of fashion items.
