Best programmers. Deep knowledge. Current tech trends.

Scalar — The Stream[ Scala ] of knowledge

 Warsaw, Poland

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Only 100 zł + VAT (about 28 euro/31 USD)

This year we are introducing a small registration fee to cover the additional costs of a 2-day conference. In return, we'll deliver the best Scalar so far!

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Call for papers

Open until Jan 31st 2017. We’ll accept speakers on a rolling basis.

We are looking for anything that you think might be interesting for a wider audience and that is Scala related. Maybe you are using Scala in a novel way? Or you wrote an interesting open-source library? Have an experience report from a project you are working on? Or maybe you just want to show what can be done with the Scala language and existing Scala tools.

Our main goal is to start some interesting discussions during the breaks and the after party, and inspire people to explore Scala and the Scala ecosystem later at home. Hence we are aiming at 30-minute presentations.

We are also looking for longer workshop-style submissions. Advanced workshops will run in parallel to beginner sessions and vice versa, and should take about 90 minutes.

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Dave Gurnell


Dave is a developer, trainer, and partner at Underscore. He has spent over a decade creating software using functional programming, and has authored and co-authored several books about Scala. His current projects include taking short trips in his space ship and creating synthesizers using cats.

Heiko Seeberger


Heiko Seeberger is Fellow at codecentric and an internationally renowned expert on Scala and Akka. He has more than 20 years of experience in consulting and software development. Heiko tweets under @hseeberger and blogs under

Paweł Szulc


Pawel Szulc is primarily a programmer. Always was and always will be. Experienced professionally in JVM ecosystem, currently having tons of fun with Scala and Haskell. Humble apprentice of Functional Programming. Runs a blog

George Leontiev


George is an engineer at SoundCloud where he's taking care of highload systems that power user feeds, notifications, and social interaction graph. In his spare time he likes exploring the world of type-level programming and does distance running.

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Honorary Patron

Main Organizer

Conference Partners

Community Partners

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Organized by

Andrzej Ludwikowski

Jan Zborowski

Adam Warski

Małgorzata Wojciechowska

Sylwia Górska

Łukasz Żuchowski

Katarzyna Leszczyńska-Bohdan

Ida Bzowska