Scala Days

Time to meet again!

Scala Days 12 - 13 October 2026
Kulturbrauerei Berlin

2026 organizing host: Plain Schwarz

[Scala Days @scaladays]

Time to meet again 🥰

🙌 Scala Days 2026
🗓️ Conference 12 - 13 October
🛠️ Workshops 14 - 15 October
📍Berlin, Germany

Looking forward to welcoming you this autumn!

https://t.co/nsKRfKs8ys

[Scala Days @scaladays]

🚀 Scala Days 2026 CfP is open - if you’ve been building with Scala, experimenting, shipping, learning - come share it with the community!

📆 Submissions are open until May 31.

🎟️ P.S. today, Apr 30, is your last chance to grab Early Bird tickets!

https://t.co/3qgsIMEJ4y

[Scala Days @scaladays]

✨ Tracking effects and dependencies can quickly get subtle. This talk explores what it means to stay “on track” with tracked values and why it matters.
Here’s "On track with tracked" by Kacper Korban
https://t.co/5EkfqPNflB

[Scala Days @scaladays]

🔍 Growing functional programmers takes more than teaching syntax. This keynote reflects on how people actually learn FP and how to help that growth happen.
Watch "Keynote: How to Grow More Functional Programmers" from Evan Czaplicki
https://t.co/8nLHDx741G

[Scala Days @scaladays]

🤖 Workflows tend to sprawl unless they’re designed carefully. This session looks at defining and running workflows in Scala with MeshCI.
Check out "MeshCI: defining and running workflows in Scala" from Jakob Odersky
https://t.co/0uw4aIrUX5

[Scala Days @scaladays]

🧪 The Typelevel ecosystem has shaped how many of us write Scala today. This talk looks back at where it started, what it became, and what we learned along the way.
Here’s "A Typelevel retrospective" by Arman Bilge
https://t.co/DGcz2zP4LI

[Scala Days @scaladays]

💡 Bridging the gap between code and business requirements is rarely clean or straightforward. This talk looks at Business4s to connect developers and business thinking.
Watch "Business4s: Bridging the Gap Between Devs and the Business" from Voytek Pituła
https://t.co/sDFJe047nk

[Scala Days @scaladays]

✨ Large codebases don’t refactor themselves. This session explores Regenesca and how automated source-code refactoring can help keep Scala projects maintainable.
Here’s "Regenesca - Refactoring Generator of Source Code for Scala" by Sakib Hadžiavdić
https://t.co/dsJ0Q8Ith0

[Scala Days @scaladays]

💡 Unsafe Rust raises strong opinions for a reason. This keynote digs into what “unsafe” really means, why it exists, and how to reason about it.
Check out "Keynote: What's the deal with unsafe Rust?" from Ralf Jung
https://t.co/YKIqR0J5G1

[Scala Days @scaladays]

✨ Spec-first APIs don’t have to mean heavy code generation. This session shows how far you can get by leaning on imports and types instead.
Here’s "Just Import 'N' Go: Spec-first APIs without codegen" by Tomas Mikula
https://t.co/gLaHss5aUa

[Scala Days @scaladays]

🧪 Curious how compilers actually work under the hood? This talk makes a case for learning compiler engineering as a way to become a stronger programmer overall.
Here’s "Become a Compiler Engineer (and a Better Programmer)" by Jan-Pieter van den Heuvel
https://t.co/3gTF9uogud

[Scala Days @scaladays]

🤖 sbt 2.0 is a major shift under the hood. This session dives into what’s changing, why it matters, and what “going big” really means.
Check out "sbt 2.0: go big" from Eugene Yokota
https://t.co/BR5q1PDqmq

[Scala Days @scaladays]

🔍 Capture checking keeps moving from theory toward practice. This talk focuses on the first concrete steps and what they enable in real Scala code.
Watch "The first steps towards practical capture checking" from Cao Nguyen Pham
https://t.co/goumvh0kdh

[Scala Days @scaladays]

💡 Building libraries that run at Netflix scale comes with very real constraints. This talk walks through designing a Scala 3 library that powers QoE systems in production.
Watch "Designing the library powering Netflix's QoE with Scala 3" from Joan Goyeau
https://t.co/EM4EqrTjtV

[Scala Days @scaladays]

💡 Learning Scala isn’t always a straight line. This talk shares a personal journey through Scala and drumming, with all the parallels, struggles, and small wins along the way.
Check out "From Paradigms to Percussion:" from Priyanka Bose
https://t.co/9Qh8de7vuE

[Scala Days @scaladays]

✨ Big-picture questions matter just as much as new features. This keynote reflects on where Scala stands today and how its capabilities are shaping real-world use.
Here’s "Keynote: Where Are We With Scala's Capabilities?" by Martin Odersky
https://t.co/EO88VOi6mr

[Scala Days @scaladays]

🔍 Some systems run on rules nobody ever writes down. This session explores how to model and implement those unspoken rules using Scala 3.
Watch "Coding the game of unspoken rules in Scala 3" from Adrien Piquerez and Benoît Fouré
https://t.co/XwYP6PYSoz

[Scala Days @scaladays]

🤖 HTTP routing is one of those problems that looks simple until it isn’t. This talk walks through routing HTTP requests using Scala 3, focusing on clarity and correctness.
Check out "Routing Http Requests with Scala 3" from Noel Welsh
https://t.co/lHpY9GqH3l

[Scala Days @scaladays]

🧪 Tooling makes a huge difference in how Scala feels day to day. This session dives into Metals and how to get the most out of it.
Here’s "Unleashing the Full Potential of Metals" by Tomasz Godzik
https://t.co/anHPmdSuIV

[Scala Days @scaladays]

🧪 Scala sometimes ends up far from traditional software. This talk dives into chip design and how Scala was used from early ideas to real hardware.
Here’s "Scala Chip Design from Z1R0 to H1R0" by Oron Port
https://t.co/pYCKNbGFZe