import {Effect} from 'effect'

An Effect & TypeScript developers conference

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march 19-21, 2025 (Wed-Fri)
Palazzo Pancaldi | livorno, 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 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

Tim Smart

Effect Core Contributor

Sandro Maglione

Software Engineer
Tech Content Creator

Mattia Manzati

Effect Cluster Contributor

michael arnaldi

Creator of Effect

// our conference MC

We’re thrilled to have Anjana Vakil returning as MC for Effect Days 2025! After successfully guiding the event last year, Anjana returns to bring her energy and extensive experience in hosting tech events, and she's excited to reconnect with the community.

anjana vakil

Software Engineer
Independent Developer Educator
DevRel Consultant

// 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 three or more people interested in business tickets? Learn about available discounts at [email protected].

  • 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