eBay Inc. is an American multinational e-commerce company founded in 1995. It operates one of the world's largest online marketplaces, connecting buyers and sellers across more than 190 markets globally. The platform hosts approximately 2.5 billion live listings and serves 136 million active buyers worldwide.
The company's core product is its Online Marketplace Platform, which facilitates transactions through both auction-style listings and fixed-price formats. This platform processes billions of dollars in transactions annually, serving a massive scale of commerce for both individuals and businesses.
With a presence spanning over 190 markets, eBay's technical infrastructure supports a high-volume, global operation. The scale of the platform - billions of listings and hundreds of millions of active buyers - presents significant engineering challenges in areas such as search, recommendation systems, payments, and trust and safety.





