Scala Days

Time to meet again 🥰 🙌 Scala Days 2026 🗓️ Conference 12 - 13 October 🛠️ Workshops 14 - 15 October 📍Berlin, Germany Looking forward to welcoming you this autumn! scala-lang.org/blog/2026/03...

Catch the recap of Mateusz Kubuszok's session at #Scaladays on the deep platform-engineering challenges he faced while trying to build a Scala game engine with LibGDX. And how to port a large Java ecosystem to Scala with LLMs. Link: youtu.be/obzSWcm_VH0...

The keynote by Nada Amin on the Future of Programming is live! Her talk reflects on how AI changes programming as a theory-building. It also explores verification, higher-level sanity checks, ambiguity, and keeping systems grounded in code. Recording: youtu.be/bISIgO4x49A...

ScalaDays main conference might be over, but there will be workshops for the next two days, where you can get hands-on with the facilitator(s). 📅 13-14 October 📍 Hotel Oderberger Learn more and get your last minute ticket: scaladays.org/worksh...

Scala Days would not be possible without the generous support of our sponsors. A massive thank you to our platinum sponsor VirtusLab, our gold sponsors JetBrains and Scala Teams, our barista sponsor Signify Technology. We greatly value all of your supports!

That is a wrap on #ScalaDays 2026! The past 2 days in Berlin have been epic. 250 attendees gathered in Kulturbrauerei to discuss exciting topics. A huge thank you to all our speakers, attendees, sponsors, volunteers, and the program committee. Next up: Workshops 14-15 Oct.

Good morning Berlin! Today, we're kicking off with the keynote session from Nada Amin. We have the panel coming up today and a load of parallel talks! What sessions are on your radar today?

And with that, day 1 of #ScalaDays has come to an end. Here are a few highlights from today. We hope that you had a great time and can join the community party starting pretty soon. If you missed the keynote, the recording is now live: youtu.be/jlJyuJhDnlc

We have officially kicked off Scala Days! The Kesselhaus hall was fully packed this morning for the opening remarks and keynote session. 🙌 A huge thank you to everyone who made the journey to be here. Let's make this an incredible week of Scala. #ScalaDays #ScalaCommunity

#ScalaDays 2026 kicks off tomorrow! Doors open along with registration at 8 am CEST, followed by the opening session and keynote. If you're already in Berlin, join the Tech Walk Through Berlin with the good folks at VirtusLab. Register here: scaladays.org/satell...

@hanafrl.bsky.social talk at #ScalaDays will explore the intersection of OSS communities and the integration of generative and agentic AI in software development practices. It'll also go over emerging tensions for OSS communities. Details: scaladays.org/sessio... Ticket: scaladays.org/#ticke...

Moderated by Krzysztof Romanowski, join leaders from EPFL, Harvard University, VirtusLab, and the Typelevel Foundation for a conversation on what language choice means for the future of software development. Details: scaladays.org/sessio... Ticket: scaladays.org/#ticke...

#ScalaDays 2026 is almost here, 12 to 13 October in Berlin, and tickets are closing soon. If you've been meaning to join us, now is the time. Ticket: scaladays.org/#ticke... Schedule: scaladays.org/schedu... Accessibility Info: scaladays.org/access...

Join Gordon Cooke to examine the true Total Cost of Ownership (TCO) in complex domains and learn the vocabulary and organizational math you need to prove to your stakeholders that a lean, elite Scala team is ultimately far more cost-effective. Details: scaladays.org/sessio...

We’re excited to welcome Nada Amin as a keynote speaker at #ScalaDays! Her talk, “Future of Programming,” will explore where programming is headed and what role we’ll play in getting there. More: scaladays.org/speake... Get your ticket: scaladays.org/#ticke...

We’re pleased to have Martin Odersky as a keynote speaker at ScalaDays 2026! In “The End of Programming?”, he’ll explore how coding agents are changing software development—and why humans need to stay in the loop. More: scaladays.org/sessio... Ticket: scaladays.org/#ticke...

#ScalaDays is taking place at Kulturbrauerei for the first time and we can't wait to welcome you. Sessions run across multiple spaces including Kesselhaus, Maschinenhaus, Palais Atelier and Frannz Salon. More info on the venue and accessibility here: scaladays.org/access...

A reminder that the Diversity Tickets are still available to anyone who wouldn't otherwise be able to participate in the conference. Children under the age of 16 can come to #ScalaDays free of charge. Learn more and get a diversity and child ticket: scaladays.org/divers...

How do you evolve messages without breaking production? Jan-Pieter van den Heuvel talk covers schema compatibility, safe changes, rollout strategies, failure handling, JSON vs. Protobuf vs. Avro, and how schema registries enforce contracts at scale. scaladays.org/sessio...

Join the #ScalaDays community online on 12-13 October and experience the conference from anywhere! Learn more: scaladays.org/attend... Get your Online Only Ticket: scaladays.org/#ticke...

#ScalaDays schedule is live. Bookmark talks and add them to your calendar, get reminders, and network via a digital business card in our official app. Make the most of every moment in Berlin! Download: scaladays.org/get-th... Schedule: scaladays.org/schedu...

Become a stage manager at #ScalaDays and attend the two-day conference for free! Connect with speakers, engage with the community, and hear top-quality talks about #Scala. Sign up now: scaladays.org/volunt...

If you’re looking for things to do or places to explore during your time in Berlin for ScalaDays, we’ve put together a page of recommendations we think you'd find interesting. We hope it helps you make the most out of your stay! Check it out: scaladays.org/explor...

Thanks to everyone who has signed up to volunteer at this year's ScalaDays. 🙌 We still have a few openings for stage management. If this sounds up your sleeve, please check out this page and get in touch: scaladays.org/volunt...

We’re spotlighting JetBrains, #ScalaDays Gold Sponsor. Find them at their booth, and they will be more than happy to hear what improvements you would like to see in the future of IntelliJ IDEA. Learn more on our blog: scaladays.org/meet-o... #JetBrains

A reminder that standard tickets for #ScalaDays are still available. If you or a colleague is yet to grab a seat at this year's gathering of scala developers and enthusiast, you should do so before the switch to last minute ticket sales! Get a ticket: scaladays.org/#ticke...

We're pleased to welcome Signify Technology as a Barista Sponsor for ScalaDays 2026. Their support will help keep the Scala community energised throughout the event. Learn more about Signify Technology: signifytechnology.co... Thank you for supporting #ScalaDay!

Alex Nemish will be at #ScalaDays, where he explores how multi-stage metaprogramming can turn a simple lambda-calculus interpreter into a just-in-time compiler. More: scaladays.org/sessio... 12-13 October. Berlin

It's exactly 2 weeks until #ScalaDays 2026; make your profile picture ScalaDays-ready! We created a fun tool so you can add some ScalaDays flair to your avatar and show the community you’re joining us in Berlin this fall. Try it here: scaladays.org/scalad..., and do tag us!

Join Rikito Taniguchi at #ScalaDays to explore the current state of Scala on WebAssembly with Scala.js and scala-wasm, WASI, sandboxing, serverless applications, and the Component Model. Details: scaladays.org/sessio... 12-13 October. Berlin

Noel Welsh will also be giving a talk explaining how capability-passing works and how to use it to implement a simple terminal user interface library. Check it out: scaladays.org/sessio... 12-13 October. Berlin

Join Pavel Kozlov at #ScalaDays, where he shares lessons from real-world Scala projects and explores how functional programming can help teams avoid legacy OOP patterns, reduce complexity, and build more maintainable systems. More: scaladays.org/sessio... 12-13 October. Berlin

Mateusz Kubuszok shares the engineering lessons behind SGE, covering Java ecosystem porting, cross-platform tooling, Scala Native, and native dependencies. Learn more: scaladays.org/sessio... 12-13 October. Berlin

Is metaprogramming just functional programming? Join Kathryn Frid to explore the connections and differences between the two: from map and flatMap to inline, quotes, splices, IO, and program analysis. More: scaladays.org/sessio... 12-13 October. Berlin

In this hands-on lab by Piotr Janczy at #ScalaDays, explore direct-style Scala with Tapir, Ox, typed SQL, sttp, virtual threads, and AI coding assistants. You’ll also migrate Future-based code to direct style. Details: scaladays.org/sessio... 12-13 October. Berlin

We’re spotlighting VirtusLab, Platinum Sponsor of #ScalaDays 2026. Meet the team at their booth and catch their sessions on AI, WebAssembly, LLMs, Scala tooling, and more. Read more: scaladays.org/meet-o... #VirtusLab

AI agents can generate Spark pipelines fast, but untyped DataFrames make subtle data bugs easy to ship. Joan Goyeau's talk introduces 𝗪𝗶𝗰𝗸: a type-safe Spark API encoding schemas, types, and nullability while preserving Catalyst performance. scaladays.org/sessio... 12–13 October in Berlin.

Debugging in Scala can be frustrating, but it doesn’t have to be. This talk by Maciej Gorywoda will teach you how to pinpoint bugs faster and with less hassle using features of IntelliJ IDEA’s debugger. Check it out: scaladays.org/sessio... 12-13 October. Berlin

Join James You at #ScalaDays, where he shares a new approach to specialization in Scala 3 based on inline traits. Learn how compiler transformations can deliver high-performance generic code without sacrificing the productivity of generics. More: scaladays.org/sessio... 12-13 October. Berlin.

You can still take advantage of our partnership with Deutsche Bahn for exclusive DB event tickets for long-distance travel throughout Germany (ICE, IC/EC). Enjoy your travel to Scala Days at an affordable rate. Book your journey: scaladays.org/travel... Join us 12-13 October. Berlin.

A reminder that you need to register for the Workshops at #ScalaDays 2026 to participate. These are focused, hands-on days with room to actually practise, and they require a separate ticket. Workshop details: scaladays.org/worksh...

Learn to diagnose real-world production failures in a distributed Typelevel streaming platform with Antonio Jimenez and Maksym Ochenashko. Details: scaladays.org/sessio... 12–13 October. Berlin.

Satellite Events Spotlight. This satellite event is open to (aspiring) Typelevel users, contributors, and anyone curious to learn more about functional programming, no matter your prior experience. Learn more: scaladays.org/satell...

Satellite Events Spotlight: VIP Tech Walk Through Berlin This is a fantastic way to walk the city of Berlin in an open conversation about where Scala is heading in 2026 and much more, with the engineers who work on the core of Scala 3. Find out more: scaladays.org/satell...

Weighing whether to bring your team to #ScalaDays 2026? Groups of 5+ get an automatic 10% off. Give your engineers leading-edge knowledge from talks and workshops, and help them connect with the community behind the tools they use. Get your tickets: scaladays.org/#ticke...

L Denney will take the stage at #ScalaDays to share his journey into Scala and his first contributions to open source. His talk will also explore making data structures optimizations approachable, worthwhile, and fun. More: scaladays.org/sessio... 12-13 October. Berlin.

Jacek Kunicki will be at #ScalaDays for a look at the VirtusLab Scala Stack: a combination of established Scala libraries and new innovations designed around a direct style. Learn more: scaladays.org/sessio... 12-13 October. Berlin.

Caching boosts performance, but implementing it safely is challenging. At #ScalaDays, Katrina Petrevice will show how Cats Ref enables thread-safe, testable caches while preserving functional purity. Details: scaladays.org/sessio... 12–13 October · Berlin