> Markdown version of [/@florian-habermann](https://www.wearedevelopers.com/@florian-habermann). 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). --- # Florian Habermann CTO at MicroStream building high-performance Java tooling and in-memory persistence. ## About Florian Habermann builds Java development tools and serves as CTO at MicroStream. Over two decades, he has focused on Java IDEs and database utilities, creating the XDEV and RapidClipse IDEs alongside GUI builders for AWT, Swing, FX, and Vaadin. Currently, Florian leads open-source projects including JPA-SQL, EclipseStore, and Eclipse Serializer. His work centers on ultra-fast in-memory data processing for microservices and cloud-native apps. He regularly speaks about replacing slow database queries with microsecond in-memory operations to slash infrastructure costs. ## Past Sessions ### World Congress 2024 · July 17, 2024 Berlin, Germany - [Ultra-Fast In-Memory Data Processing - 1000x Faster Queries at 96% Database Cost Savings](https://www.wearedevelopers.com/events/world-congress-2024/sessions/286-ultra-fast-in-memory) · 120 min