Kotlin & Java Kickoff 2026: WebAssembly & Spring Boot 4

THIS MEETUP WILL BE IN-PERSON 🕺

Let’s kick off the year with some talks in collaboration with the Kotlin Vienna meetup group. Fresh topics, shared knowledge, and a strong community vibe.

What to expect
🗣️ Two speakers
👥 Meet old and new friends from the community
🍕 Free food
🎉 Free drinks afterwards
✔️ Just RSVP!

Agenda

• 18:00 - Doors open
• 18:30 - Welcome by Erste Bank, Kotlin Vienna, &‌‌amp and SQUER
• 18:40 - First talk
• 19:25 - Break
• 19:35 - Second talk
• 20:20 - Pizza, Drinks & Networking

Talks

WebAssembly! by Florian Schindler
If you have been living under a rock like me and have heard about WebAssembly but don't really know what it does, then this talk is right for you! WebAssembly is one of the biggest standardization efforts in modern computing and we will have a look at how it works, why you should care, and why big players like Microsoft, Intel, and the CNCF alike have a vested interest to push it further. Did you know that Kotlin is implementing a wasm backend, so we can run Kotlin code without the JVM?
What once started out as a browser hack to make javascript faster is slowly but steadily growing into a new computing substrate, and finally, a common architecture and compilation target for our programs. It's write once, run everywhere, but hopefully for real this time.
Oh and it will also replace docker. And Kubernetes.
Okay, I am overdramatizing. I swear my takes are not as biased as this introduction but you will have to listen to my talk to find out.

Spring Boot 4 with Kotlin: Modern Spring Development, Refined by Dominik Moser
Spring Boot 4 raises the bar for modern development in the JVM ecosystem, and Kotlin fits it perfectly. This talk highlights what’s new in Spring Boot 4 and how Kotlin helps you build cleaner, safer, and more concise applications with less boilerplate and better defaults.