Etsy EngineeringSep 5, 20237 min read

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...

AI ML Real-time Paradigm API Design

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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