import {Effect} from 'effect'

An Effect & TypeScript developers conference

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march 19-21
2025
livorno,Tuscany
Italy

Winners of the most exciting use of technology – JSNation 2024.

Mar 19
Wed

Effect Workshop

Full-day sessions led by Effect experts.
Mar 20
thu

Effect Conference

Engaging talks, afterparty & swags!
Mar 21
fri

Community Day

More learning, networking, and fun!
2nd edition

A community-driven, non-profit event celebrating the Effect ecosystem and our growing community building production-grade applications in TypeScript.

// Effect Days sponsors

InatoEffectful Technologies logoevryg logo

// Effect Days speakers

More speakers soon!

dillon mulroy

Software Engineer - Vercel

Sebastian Lorenz

Effect Core Contributor
CTO Edge&Node

Attila Večerek

Tech Lead & Staff Engineer - Zendesk

Ethan Niser

Software Engineer
Tech Content Creator

Maxwell Brown

Effect Core Contributor

Antoine Coulon

Lead Software Engineer - evryg

Johannes schickling

DX at Effect
Prisma Co-founder

Jérémie dayan

Staff Engineer - Inato

Tim Smart

Effect Core Contributor

Sandro Maglione

Software Engineer
Tech Content Creator

Tim suchanek

Founder of expand.ai

michael arnaldi

Creator of Effect

// meet our conference MC

Johannes is a strong advocate for Effect, a builder, and a speaker. He hosts Cause & Effect, our podcast on all things Effect, as well as localfirst.fm. With a deep passion for software craftsmanship, he enjoys helping founders build developer-focused products and companies.

// the venue - Palazzo Pancaldi

A beautiful seaside location in the Tuscan riviera, where you can enjoy good food and the coastal views.

// get tickets - only 100 available

Workshop & conference pass

March 19
effect Workshop
March 20
effect Conference
Includes a full-day Effect workshop and all in Conference Pass.

conference pass

March 20
effect Conference
In-person ticket including food, drinks, swags, and afterparty!

// effect days - FAQ

Are you a group of more than 3 (three) people interested in business tickets? Learn about available discounts at contact@effectful.co.

  • 1. What is Effect Days?

    Effect Days is a non-profit event dedicated to Effect, an open-source software library that offers an ecosystem of tools for building production-grade applications in TypeScript.
  • 2. When and where Effect Days taking place?

    Effect Days will take place on March 19-21, 2025 at Palazzo Pancaldi, Viale Italia, 56, 57127 Livorno LI, Italy. Learn more about Livorno.
  • 3. What is the schedule of the conference?

    The conference schedule will be shared as we get closer to the event.
  • 4. Will the Effect Days conference be recorded?

    The conference talks will be recorded and published on the Effect YouTube channel a few weeks later. In the meantime you can subscribe to our YouTube, follow Effect on X (Twitter), or join the community to stay updated.
  • 5. Can I get a refund for my ticket?

    Please refer to our Refund Policy for more details.

// Sponsoring Effect Days

Has Effect has played a key role in your project and you'd love to give back to the community?

Sponsoring Effect Days is your perfect opportunity!

Register now & join us at Effect Days 2025!

get tickets