SEP 1, 2026

Making Ads Count: Using MMoE and Auxiliary Tasks to Better Connect Buyers & Sellers

When buyers search on Etsy, they need to quickly and easily find the perfect item. At the same time, sellers need to be confident their unique products are...

MMoE Auxiliary Tasks Machine Learning Personalization

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Kafka App? There’s a Skill for That

Etsy is home to over 100 million listings from 5.6 million active sellers. Because the items for sale are unique and creative, there is no standard product...

PlatformFrontend

7 min

EtsyMay 26, 2026

Shaping Product Understanding with Contrastive Reinforcement Learning

Etsy’s marketplace is defined by the creativity and craftsmanship of our sellers and the hundreds of millions of highly diverse products they offer. You can...

PlatformFrontend

10 min

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EtsyMay 26, 2026

Shaping Product Understanding with Contrastive Reinforcement Learning

Etsy’s marketplace is defined by the creativity and craftsmanship of our sellers and the hundreds of millions of highly diverse products they offer. You can...

PlatformFrontend

10 min