Welcome

Welcome to Devoxx UK 2026

Opening Keynote

How to Fall in Love with the Future: time travel as activism

Opening Keynote

Who's going to save the world from AI's energy use? You are.

Conference

Thinking Architecturally

Conference

Braving the Change: recalibrating to new realities

Conference

Butcher Virtual Threads like a pro!

Conference

When benchmarks go bad - what I learned from measuring performance wrong

Conference

Bootiful GraalVM

Conference

Your code is not an asset, it's a liability

Conference

Bootiful Spring Boot 4

Byte Size

Docker Hardened Images - what you need to know

Byte Size

Platform Engineering Reality Check: From Big Dreams to Practical Steps

Conference

Model Mitosis: Stop making the wrong choice between microservices and monolith

Conference

Authorization in Spring Security: permissions, roles and beyond

Conference

Better Architecture by Telling Stories

Tools-in-Action

Building Interoperable AI Agents in 30 Minutes

Conference

Five (and a half) Cool Things You Can Do With Quarkus

Conference

Now and Next Java for AI

Byte Size

The Tiniest Durable Agent

Conference

Hello World, Meet the Spanimals: Observability for Beginners

Conference

10 Things Rust Could Learn from Java (and 5 Things Java Should Probably Steal Back)

Conference

Seven Habits of (Mostly) Effective Teams

Tools-in-Action

Observing AI Applications with OpenLit

Conference

Why software breaks, and how we can fix it

Conference

Complete, Correct, and Confidential: the inherently unhackable database.

Byte Size

Speed, Stress, and Soak: Performance Testing Without the Pain

Conference

Unveiling the simple math that powers AI

Conference

Beyond the Score: Your Guide to Benchmarking LLMs

Tools-in-Action

Silent Infrastructure: How Privacy-First SDKs Quietly Shape the Future of Global-Scale Mobile Apps

Conference

How to build your own fun and absurd pair programmer

Conference

Koog your own AI! Delicious recipe

Byte Size

Neurodiversity in tech: how to build, mentor and motivate every mind

Conference

7 architectural sins: why we keep making them and how we can stop

Tools-in-Action

🧰 Dev Containers: the ultimate toolbox for developers?

Conference

Be more productive with IntelliJ IDEA

Byte Size

Can LLMs play text adventures?

Byte Size

Less framework, more web : Rediscovering the Power Of Native JavaScript

Conference

Deterministic modernization in an age of AI

Conference

The Human Side of Software Engineering in the Age of AI

Conference

How to Interview Engineers in the AI Era: What I Changed and What Actually Works

Tools-in-Action

Curiosity by Design: What Does a Zoo Have to Do with AI?

Conference

Wait, the JVM does that?!

Conference

How to Get Quantum Ready

Conference

From Athlete to Algorithm: Transforming Canoe Technique Analysis with AI

Conference

Moving towards the European Cloud

Conference

Your GPU misses pixels: 3D world-building with OSS

Mini Lab

Building with Open Source AI: A Crash Course

Mini Lab

Application Performance Made Better with JFR

Mini Lab

Workshop: Designing Production-Ready Multi-Agent Systems with Spring AI