SEP 1, 2026

Leveraging Real-Time User Actions to Personalize Etsy Ads

Introduction Personalization is vital to connect our unique marketplace to the right buyer at the right time. Etsy has recently introduced a novel, general...

AI Machine Learning ML models Personalization API Design Real-time Processing

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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

Weekly Brief

Top 10 engineering articles delivered every Monday.

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