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Markus

Markus is a Java Champion, former Java EE Expert Group member, founder of JavaLand, reputed speaker at Java conferences around the world, and a very well known figure in the Enterprise Java world.

Location Munich, Germany Joined Joined on  Personal website https://www.eisele.net twitter website

Work

IBM Research

Enterprise Java Supply Chains: Spring, Quarkus, Tanzu, and RHBQ Compared

Enterprise Java Supply Chains: Spring, Quarkus, Tanzu, and RHBQ Compared

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10 min read
Choosing Your Fighter: Mastering @Qualifier in Quarkus CDI

Choosing Your Fighter: Mastering @Qualifier in Quarkus CDI

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2 min read
Dynamic Role-Based Access in Quarkus: Fine-Grained Security Without Redeploys

Dynamic Role-Based Access in Quarkus: Fine-Grained Security Without Redeploys

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12 min read
SFTP Meets PostgreSQL: Building a Smart File Upload System with Quarkus Dev Services

SFTP Meets PostgreSQL: Building a Smart File Upload System with Quarkus Dev Services

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6 min read
Charting Twain: Building a Character Interaction Graph with Quarkus, OpenNLP, and a local Ollama Model

Charting Twain: Building a Character Interaction Graph with Quarkus, OpenNLP, and a local Ollama Model

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10 min read
Counting Millions of Things with Kilobytes

Counting Millions of Things with Kilobytes

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6 min read
Build a Full-Stack Todo App with Quarkus, Panache, and Qute

Build a Full-Stack Todo App with Quarkus, Panache, and Qute

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5 min read
Stop Leaking Stack Traces: Mastering RFC 7807 Error Handling in Quarkus

Stop Leaking Stack Traces: Mastering RFC 7807 Error Handling in Quarkus

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6 min read
Build Your First AI Agent in Java: Quarkus, Langchain4j, and the A2A SDK

Build Your First AI Agent in Java: Quarkus, Langchain4j, and the A2A SDK

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7 min read
Master AI-Powered DNS Lookups with Quarkus and Langchain4j

Master AI-Powered DNS Lookups with Quarkus and Langchain4j

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5 min read
Mastering AI Tool-Calling with Java: Build Your Own Dungeon Master with Quarkus and LangChain4j

Mastering AI Tool-Calling with Java: Build Your Own Dungeon Master with Quarkus and LangChain4j

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7 min read
Groan-Worthy Greatness: Build an AI Dad Joke Generator with Java, Quarkus, and Langchain4j

Groan-Worthy Greatness: Build an AI Dad Joke Generator with Java, Quarkus, and Langchain4j

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4 min read
From Black Box to Blueprint: Tracing Every LLM Decision with Quarkus

From Black Box to Blueprint: Tracing Every LLM Decision with Quarkus

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12 min read
JVM Inspector with AI: Build a Smart Diagnostic Tool with Quarkus, LangChain4j, and Dev Services

JVM Inspector with AI: Build a Smart Diagnostic Tool with Quarkus, LangChain4j, and Dev Services

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6 min read
Taming Unstructured Data: From PDFs to JSON with Quarkus and Docling

Taming Unstructured Data: From PDFs to JSON with Quarkus and Docling

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5 min read
Mastering Reasoning with Code: Chain of Thought Pipelines in Java

Mastering Reasoning with Code: Chain of Thought Pipelines in Java

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8 min read
Build an AI-Powered Document Assistant with Quarkus and LangChain4j

Build an AI-Powered Document Assistant with Quarkus and LangChain4j

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4 min read
Building a Real-Time File Upload Progress Tracker with Quarkus and SSE

Building a Real-Time File Upload Progress Tracker with Quarkus and SSE

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10 min read
Composite Keys in Quarkus: Building Smarter IDs with Hibernate and Panache

Composite Keys in Quarkus: Building Smarter IDs with Hibernate and Panache

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9 min read
The Distributed Dragon Forge: A Hands-On OpenTelemetry Adventure with Quarkus

The Distributed Dragon Forge: A Hands-On OpenTelemetry Adventure with Quarkus

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5 min read
One Does Not Simply Build Memes with Java: Unless It’s Quarkus

One Does Not Simply Build Memes with Java: Unless It’s Quarkus

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5 min read
Level Up Your Java: A Developer's Guide to Agentic AI

Level Up Your Java: A Developer's Guide to Agentic AI

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5 min read
Spring Cleaning: Tidy Your Java Code & Maybe Your Framework? ✨

Spring Cleaning: Tidy Your Java Code & Maybe Your Framework? ✨

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5 min read
A Lean Decision-Making Approach for Choosing Java Frameworks with Architecture Decision Records

A Lean Decision-Making Approach for Choosing Java Frameworks with Architecture Decision Records

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8 min read
Your First Open Source Contribution: A Beginner's Guide

Your First Open Source Contribution: A Beginner's Guide

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3 min read
Quarkus: A Lean and Agile Foundation for Enterprise Generative AI

Quarkus: A Lean and Agile Foundation for Enterprise Generative AI

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4 min read
Use local AI Models easily for Development and Experimentation

Use local AI Models easily for Development and Experimentation

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3 min read
Use LLMs in Java. An example with Merlinite, Quarkus, and Podman Desktop AI Lab

Use LLMs in Java. An example with Merlinite, Quarkus, and Podman Desktop AI Lab

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4 min read
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