Building a Platform for Serving Recommendations at Etsy

With a catalog of more than 100 million magical listings, Etsy extensively relies on software infrastructure and machine learning (ML) to recommend the right items to our buyers at the right time. In this post, I’ll cover how our recommendations architecture has evolved over the years, and how we designed a platform that lets Etsy product teams use a variety of ML building blocks to offer our users personalized and real-time recommendations. Batch architecture (aka the simple way) Let’s start wi...

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