Quarkus at Devoxx Greece 2026

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Event Description: Devoxx Greece is the evolution of the Voxxed Days Athens conference, and it has become a 3-day conference where developer communities come together to explore the latest technology advancements with some of the most inspiring speakers in our sector.

Date: April 23-25, 2026
Location: Athens, Greece
Event Type: In-Person

https://devoxx.gr/

Sessions

Session: Building and Running LLMs on GPUs Directly from Java with TornadoVM and GPULlama3.java
Speaker(s): Michalis Papadimitriou
Date/Time: Thursday, April 23, 10:55-11:35 in MC 3
Abstract: This session presents GPULlama3.java, an open-source framework enabling efficient, GPU-accelerated LLM inference directly from Java. Leveraging TornadoVM, it supports modern models and data types, integrates with LangChain4j and Quarkus, and offers live demos across diverse hardware, highlighting seamless Java-based GPU computing and performance profiling tools for AI workloads.

Session: Build your own Java-powered Agentic Apps
Speaker(s): Georgios Andrianakis, Kevin Dubois, Mario Fusco, & Dimitris Andreadis
Date/Time: Friday, April 24, 09:45-11:15 in MC 3
Abstract: This session demonstrates building Java-based Agentic AI apps using Quarkus and LangChain4j, covering agentic features like function calling, MCP, and Agent2Agent. It explores patterns for leveraging and alternatives to agents, offering hands-on guidance and opportunities for feedback and contribution to the Quarkus AI and LangChain4j communities.

Session: Things You Thought You Didn’t Need To Care About That Have a Big Impact On Your Job
Speaker(s): Georgios Andrianakis, Kevin Dubois, Mario Fusco, & Dimitris Andreadis
Date/Time: Friday, April 24, 14:25-15:05 in Skalkotas
Abstract: This talk explores how development is shaped not just by computers, but by people, physics, statistics, and economics. It discusses the impact of Moore’s law ending, the relevance of concurrency, Loom, AOT compilation, and why understanding business, finance, and statistics is now crucial for developers.

Session: The Bold, the Broken, and the Burned: Hard won lessons in the 6 years of developing Quarkus
Speaker(s): Georgios Andrianakis & Dimitris Andreadis
Date/Time: Saturday, April 25, 10:35-11:15 in Skalkotas
Abstract: This session explores key software engineering decisions made during Quarkus development—covering naming, component reuse, build optimization, and major rewrites—highlighting lessons learned and their broader impact. Attendees will gain practical insights to inform their own choices, regardless of Quarkus familiarity, helping them avoid common pitfalls and adopt effective practices.