Skip to Main Content
ACE Program
ACE Directory
Become an ACE
ACE Sign In
ACE
Full Name
Johannes Rabauer
Full Name
ACE Associate
Top Level Details
Job Role
Senior Software Engineer
Company
XDEV Software GmbH
Country
Germany
Top Expertise
Java
Focus Area
Java
About Johannes
Hi, I’m Johannes Rabauer, Senior Software Engineer at XDEV Software GmbH. I build secure, scalable systems with Java, always trying to keep things expressive and clean. Certified in everything from Kubernetes and Cloud-Native to AWS and Vaadin, I love digging into cloud, AI, and frameworks that make developers’ lives better. When I’m not coding or speaking at a conference, you’ll find me parenting three awesome kids, hiking in nature, or exploring new tech ideas (usually sweater-weather required). Let’s make systems that work and that don’t kill our joy.
Expertises
Java
Community
Cloud
Artificial Intelligence (AI)
Home Page
https://rabauer.dev
Links
Latest Contributions
#SELECTION#
#ICON_HTML#
One backend twice - Hibernate vs jOOQ on real code
Dec 31, 2025 - Podcast/Video -
#ACTIONS#
#SELECTION#
#ICON_HTML#
Stoic Journaling with AI: A Local Java System You Can Build
Dec 01, 2025 - Podcast/Video -
#ACTIONS#
#SELECTION#
#ICON_HTML#
JUG Meetup in Weiden i.d.OPf. - Spring vs. Quarkus: KI-Backends
Nov 08, 2025 - Podcast/Video -
#ACTIONS#
#SELECTION#
#ICON_HTML#
Quanta Live: Building Local AI Search with pgvector & LangChain4j - Part 2
Oct 31, 2025 - Podcast/Video -
#ACTIONS#
#SELECTION#
#ICON_HTML#
Spring AI vs LangChain4J: The Live Coding Duel
Oct 17, 2025 - Podcast/Video -
#ACTIONS#
#SELECTION#
#ICON_HTML#
Building Quanta – An AI File Searcher with Next.js, Quarkus, Ollama & PostgreSQL (Live Coding)
Oct 06, 2025 - Podcast/Video -
#ACTIONS#
#SELECTION#
#ICON_HTML#
Can We Give Our AI Agents Real Memory? (LangChain4J + Ollama + Java Live Coding)
Sep 21, 2025 - Podcast/Video -
#ACTIONS#
#SELECTION#
#ICON_HTML#
Tales from the Dev Side: What Went Wrong, What We Fixe & What You Can Steal
May 14, 2025 - Presentation - in-person or virtual - JCON 2025
Java
Agile
Developer Services
#ACTIONS#
1 - 8