3-day conference

Effect Days

Name: Effect Days
Start: 2025-03-19
End: 2025-03-21

For engineers shipping production systems in TypeScript

Effect 4.0 is on the way!

past editions

Real-world use cases from companies like Vercel, MasterClass, and Zendesk, and full-day workshops

Feb 22-24, 2024

Where the Effect community gathered for the first time to share how they were using it in real-world, from early experiments to production systems.

Inaugural Edition

15 Talks

Vienna, Austria

Mar 19-21, 2025

A more in-depth event spotlighting advanced use cases and real production stories, showing how Effect has evolved into a mature, scalable library.

Past Edition

19 Talks

Livorno, Italy

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Developer network

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