> Markdown version of [/@jan-weinschenker](https://www.wearedevelopers.com/@jan-weinschenker). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Jan Weinschenker Software architect focused on JVM concurrency, Project Loom, and reactive systems. ## About Jan Weinschenker builds cloud architectures and high-performance software at Holisticon AG. He focuses on reactive programming in Java and Kotlin, helping systems handle massive data spikes without buckling. He regularly explores better ways to manage concurrency on the JVM. His talks break down how long-standing reactive frameworks stack up against Java 21's Project Loom and virtual threads to manage limited resources under heavy load. Jan is based in Hamburg. ## Past Sessions ### World Congress 2024 · July 17, 2024 Berlin, Germany - [Java's Project Loom & Co - the end for reactive programming?](https://www.wearedevelopers.com/videos/993-java-s-project-loom-co-the-end-for-reactive-programming) · 30 min · 🎥 Watch recording ## Videos - [Java's Project Loom & Co - the end for reactive programming?](https://www.wearedevelopers.com/videos/993-java-s-project-loom-co-the-end-for-reactive-programming) · Jan Weinschenker