👋 Hey there, I’m Markus (aka @myfear)
💻 Java Champion | Developer Advocate | Author I’m passionate about Java, Quarkus, and everything around enterprise-grade, cloud-native development. I love sharing knowledge through talks, articles, and hands-on tutorials that help developers build better software.
- ✍️ Writing deep dives and hands-on tutorials on The Main Thread
- 🏗 Exploring Java + Quarkus + AI to build real-world, AI-infused enterprise applications
- 🎤 Speaking at conferences about Java, cloud-native, and open-source innovation
- 📚 Co-author of Applied AI for Developers (O’Reilly)
- 🐦 Twitter: @myfear
- 🐘 Mastodon: mastodon.online/@myfear
- 🦋 Bluesky: bsky.app/profile/myfear.com
- 💼 LinkedIn: linkedin.com/in/markuseisele
- 📰 Latest tutorials: https://www.the-main-thread.com
- 📜 Older blog posts: blog.eisele.net
- 🧑💻 Articles on Red Hat Developers
- 📝 Author page on Red Hat
- 🛠 New profile on IBM Developer
💡 Always learning, always sharing. Let’s build something great together!



