JUN 2, 2026

The So-fine Real-time ML Paradigm

Introduction Each year, Etsy hosts an event known as “CodeMosaic” - an internal hackathon in which Etsy admin propose and build bold advances quickly in our...

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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

EtsyMar 20, 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...

PlatformFrontend

13 min

Weekly Brief

Top 10 engineering articles delivered every Monday.

EtsyMar 20, 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...

PlatformFrontend

13 min