talks

upcoming

Riviera Dev
Six and a half ridiculous things to do with Quarkus

Devoxx
Six and a half ridiculous things to do with Quarkus

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

IBM Hursley Americas Summit
The ROI of Quarkus for Spring Boot Applications

2026

ADEO x Decathlon Digital present Dev Summit
These Five Tricks Can Make Your Apps Greener, Cheaper, & Nicer

Agile Manchester
Things You Thought You Didn’t Need To Care About That Have a Big Impact On Your Job

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

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

Devoxx
Things You Thought You Didn’t Need To Care About That Have a Big Impact On Your Job

Quarkus Insights
How We Benchmarked Quarkus: Patterns and anti-patterns

Voxxed
Six and a half ridiculous things to do with Quarkus

Utrecht JUG
Things You Thought You Didn’t Need To Care About That Have a Big Impact On Your Job

Monki Gras
Fixing The Open Source Bus Number

QCon
The free-lunch guide to idea circularity

IBM TechCon
Developer Journey: Accelerating Developer Productivity

JChampions
Six and a half ridiculous things to do with Quarkus

2025

LJC
How Quarkus makes your apps cheaper, greener, and happier

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

Lindholmen Software Development Day
Developer Joy - The New Paradigm

LJC
Using LangChain4j to Make Your Java Apps Smarter

Devoxx
Things You Thought You Didn’t Need To Care About That Have a Big Impact On Your Job

Devoxx
Six and a half ridiculous things to do with Quarkus

GOTO
Things You Thought You Didn’t Need To Care About That Have a Big Impact On Your Job

XConf
Things You Thought You Didn’t Need To Care About That Have a Big Impact On Your Job

LJC Unconference
LangChain4j, Java, and You

JNation
Efficiency and Rock 'n’ Roll (Really!)

Devoxx
Efficient Software: A Developer’s Manual for Saving The World

Devoxx
Java meets AI: Build LLM-Powered Apps with LangChain4j

Devoxx
Create AI-Infused Apps with LangChain4j (and Quarkus) (Mini Lab)

Devoxx
Things You Thought You Didn’t Need To Care About That Have a Big Impact On Your Job

QCon
Productivity is Messing Around and Having Fun

QCon
The Efficiency Paradox and How to Save Yourself and the World

KubeCon | CloudNativeCon
Practical Zombie Hunting for Kubernetes Users

KubeCon | CloudNativeCon
The Weight of Data: Rethinking Cloud-Native Systems for the Age of AI

JChampions
Zero Waste, Radical Magic, and Italian Graft – Quarkus Efficiency Secrets

2024

YOW!
Tradeoffs, Bad Science, and Polar Bears – The World of Java Optimisation

YOW!
The Efficiency Paradox and How to Save Yourself and the World

YOW!
The Efficiency Paradox and How to Save Yourself and the World

YOW!
The Efficiency Paradox and How to Save Yourself and the World

YOW!
Tradeoffs, Bad Science, and Polar Bears – The World of Java Optimisation

Open Conf
Leverage LLMs in Java with LangChain4j and Quarkus

Øredev
Less waste, more joy, and a lot more green – How Quarkus makes Java better

IBM TechXchange
Refactoring to Kube-native Java with Quarkus

IBM TechXchange
The Power of LLMs in Java – Leveraging Quarkus and LangChain4j

IBM TechXchange
Choosing the right Java runtime for the job

Voxxed Days
The future of development – Are our jobs getting harder or easier?

Devoxx
Productivity is Messing Around and Having Fun

Devoxx
Zero Waste, Radical Magic, and Italian Graft – Quarkus Efficiency Secrets

Red Hat Summit Connect
How Quarkus makes your apps cheaper, greener, and happier

GOTO
Panel – Where Is Software Development Going?

GOTO
The Efficiency Paradox and How to Save Yourself and the World

NLJUG
NLJUG academy masterclass – Create Java-based AI applications with Quarkus and LangChain4j

Swiss Dev Confederation
How Quarkus makes your apps cheaper, greener, and happier

Swiss Dev Confederation
Developer Joy == Developer Productivity (really!)

Quarkus Insights
How to create your own Quarkus extension

Gradle DPE Tour
Productivity is Messing Around and Having Fun

Quarkus Club
Quarkus Efficiency Secrets

StaffPlus
Is efficiency a good thing?

Code Europe
Faster, greener, and happier- why Quarkus should be your next tech stack

Devoxx
Productivity is Messing Around and Having Fun

Devoxx
Six things we learned implementing Rockstar on Quarkus

QCon
Zero Waste, Radical Magic, and Italian Graft – Quarkus Efficiency Secrets

jProfessionals
Faster, greener, and happier- why Quarkus should be your next tech stack

Sphere.it
The future of development: Are our jobs getting harder or easier?

Voxxed Days Zurich
Faster, greener, and happier- why Quarkus should be your next tech stack

Jfokus
Tame Microservices with Contract Testing

Jfokus
Six things we learned implementing Rockstar on Quarkus

JChampions Conf
The future of development: Are our jobs getting harder or easier?

DevNation Tech Talks
Tradeoffs, Bad Science, and Polar Bears – The World of Java Optimisation

2023

DevSecOps: London Gathering
Taming Microservices with Contract Testing

Tech Rocks
Is efficiency a good thing?

Cloud Builders: Java
Faster, greener, and happier- why Quarkus should be your next tech stack

Fosscomm
The future of development: Are our jobs getting harder or easier?

Devoxx
Tradeoffs, Bad Science, and Polar Bears – The World of Java Optimisation

LJC
Tame Microservices with Contract Testing

DevBCN
How to avoid common pitfalls with modern microservices testing

GOTO Amsterdam
Faster, greener, and happier- why Quarkus should be your next tech stack

GOTO Amsterdam
Cloud Native Development With Quarkus (masterclass)

Joy of Coding
The Importance of Fun in the Workplace

Arnhem JUG
Cloud Chaos and Microservices Mayhem

J-Spring
These Five Tricks Can Make Your Apps Greener, Cheaper, & Nicer

J-Spring
Uh, Does This Thing Actually Work? Modern Microservices Testing

Redis Webinar
Redis, Quarkus, OpenShift From Cache to Modern Apps at Scale

GOTO Aarhus
Cloud Native Development With Quarkus (masterclass)

GOTO Aarhus
These Five Tricks Can Make Your Apps Greener, Cheaper, & Nicer

Devoxx UK
How to avoid common pitfalls with modern microservices testing

Devoxx UK
Writing Greener Java Applications

Devoxx Greece
Contract testing with Pact and Quarkus

Devoxx France
Writing Greener Java Applications

Devoxx France
Redis: du cache à la time series!

Devnexus
How to avoid common pitfalls with modern microservices testing

QCon London
Why Cloud Zombies Are Destroying the Planet and How You Can Stop Them

OOP
Pecha Kucha: Making IT Greener

OOP
Cloud Chaos and Microservices Mayhem

Java Champions Conf
Writing Greener Java Applications

2022

WTFinar
The Cloud Should be Fun … and if not, you're probably doing it wrong

ABN AMRO DevCon
Nine Ways To Fail at Cloud Native

Utrecht JUG
Tradeoffs, Bad Science, and Polar Bears – The World of Java Optimisation

YOW!
The Importance of Fun in the Workplace

Dublin JUG
Writing Greener Java Applications

Dublin JUG
Cloud Chaos and Microservices Mayhem

jOnConf
Tradeoffs, Bad Science, and Polar Bears – The World of Java Optimisation

Devoxx
How to avoid common pitfalls with modern microservices testing

Adyen Tech Event
Cloud is about culture, containers, and impact - not data centres

GOTO Copenhagen
Cloud Native Development With Quarkus (masterclass)

GOTO Copenhagen
Cloud Chaos and Microservices Mayhem

Voxxed Athens
Cloud Chaos and Microservices Mayhem

Voxxed Days Athens
Innovation Anti-patterns: Bonkers Beans and Magic Numbers

Skills Matter Java Forum
Uh, Does This Thing Actually Work? Modern Microservices Testing

Cloud Builders
Tradeoffs, Bad Science, and Polar Bears – The World of Java Optimisation

JBCNConf
Why You Can't Buy Cloud Native

GOTO Amsterdam
Cloud Chaos and Microservices Mayhem

JNation
Why you're missing out if you're not making Quarkus extensions

JNation
Why You Can't Buy Cloud Native

CraftConf
Innovation Anti-patterns: Bonkers Beans and Magic Numbers

CodeCamp
Why You Can't Buy Cloud Native

Devoxx UK
Tradeoffs, Bad Science, and Polar Bears – The World of Java Optimisation

Devoxx UK
The Future of Java

WTF is SRE
SRE: The Good, The Bad, and the Ouch

CodeCamp
tradeoffs, bad science, and polar bears: the world of java optimisation

2021

DIGITExpo
Bonkers Beans and Magic Numbers: Innovation in a Changing World

WTF Is Cloud Native
Why You Can’t Buy Cloud Native

QCon Plus
7 ways to fail at microservices

PREVAIL
SRE: The Good, The Bad, and the Ouch

Ada Lovelace Day
Our Digital Futures

Accento
Tradeoffs, Bad Science, and Polar Bears - The World of Java Optimisation

Private event
The Adventurer’s Guide To Breaking Production

InfoQ Live
Nine Ways To Fail at Cloud Native

O’Reilly Superstream Series
Trade-Offs, Bad Science, and Polar Bears—The World of Java Optimization

Craft Conf
Cloud Native is about Culture, not Containers

CodeCamp Romania
Cloud Native is about Culture, not Containers

Continuous Lifecycle Online
How To Love Kubernetes and Not Wreck The Planet

IBM Cloud Native Days
The Cloud Should Be Fun - and If It’s Not You’re Probably Doing It Wrong

Jfokus
Cloud Chaos and Microservices Mayhem

2020

WTFinar
WTF is Culture In Cloud Native

jLove
Cloud Chaos and Microservices Mayhem

CodeMotion Italia
The Cloud Should Be Fun - and If It’s Not You’re Probably Doing It Wrong

QCon Plus
How to work in Tech and Not Wreck The Planet

J-Fall
Cloud Chaos and Microservices Mayhem

FlowCon
Nine Ways To Fail at Cloud Native

Software Circus
Blood-curdling tales of microservices misadventure, devops dread, and grisly governance

JFuture
Cloud Chaos and Microservices Mayhem

IBM Tech TV
How - and why - to modernize your scruffy old Java applications

Kubecon Europe
How to Love K8s and Not Wreck The Planet

QCon London
Cloud Native is about Culture, not Containers

2019

FlowCon
The Importance of Fun in the Workplace

LJC Unconference
People, Planet, Clouds

Continuous Lifecycle Mannheim
The Importance of Fun in the Workplace

GOTO Berlin
Cloud Native is about Culture, not Containers

Sphere.IT
Nine Ways To Fail at Cloud Native

Sonar+D
Creativity in the Age of Quantum Computing

DevOps Enterprise Summit London
Tales From The DevOps Transformation Trenches

CIO Watercooler
The importance of fun in the workplace

Continuous Lifecycle London
The Importance of Fun in the Workplace

CraftConf
Cats, Qubits, and Clouds - The Quantum Future

Voxxed Days CERN
The Importance of Fun in the Workplace

Devoxx France
Cats, Qubits, and Clouds - The Quantum Future

Voxxed Days Milano
The Importance of Fun in the Workplace

Think
The story of designsparkmarketplace.com

2018

GOTO Copenhagen
Cloud Native is about Culture, not Containers

Devoxx Belgium
The Importance of Fun in the Workplace

Devoxx Belgium
Cloud Native is about Culture, not Containers

O’Reilly Software Architecture London
Cloud Native is about Culture, not Containers

Cloud Native London
Cloud Native is about Culture, not Containers

EPAM SEC
Cats, Qubits, and Clouds - The Quantum Future

JavaLand
Cloudy with a Chance of Meatballs: Cloud Surprises for the Java Developer

2017

JavaOne
So You Say You Want a Chatbot Revolution

J-Spring
Software Developers Guide to Fun in the Workplace: Euphoria Despite the Despair

NextM
Innovation Stories from the Bluemix Garage

QCon London
Thinking Strategically About IoT

2016

Women In Java Meetup
The Cuddly Throwable Application Server

Øredev
Confessions of an Automation Addict

JAX London
Software Developers Guide to Fun in the Workplace: Euphoria Despite the Despair

JavaOne
Microservices: from dream to reality in an hour

BuildStuff
Building Stuff for Fun and Profit - confessions from a life in code and cables

GeekOut
The Cuddly Throwable Application Server

Mad Scientists
That’s not useless, it’s just … unusual

Jfokus
Microservices: from dream to reality in forty five minutes

2015

JavaOne
Confessions of an Automation Addict

JAX London
Microservices: from dream to reality in an hour

Coding Serbia
An Arduino, an Application, Server, and me - Adventures In and Out of the Cloud by Holly Cummins

Voxxed days Vilnius
Confessions of an automation addict

JavaLand
Confessions of an Automation Addict

QCon London
The Cuddly Throwable Application Server

2014

Øredev
The Wearable Application Server and Other Adventures in Software Engineering

JAX London
The Lazy Developer’s Guide to Cloud Foundry

Devoxx UK
The Lazy Developer’s Guide to Cloud Foundry

2013

Devoxx France
The Wearable Application Server and Other Adventures in Software Engineering

Devoxx UK
Enterprise OSGi in Action

Jfokus
OSGi vs Spaghetti - Part II, The Enterprise strikes back

Jfokus
The Wearable Application Server and Other Adventures in Software Engineering

2012

Devoxx
Building Modular Applications with Enterprise OSGi

Devoxx
How to embed an application server into a hat

JAX London
Everything I know about software, I learnt from spaghetti bolognese

2011

JAX London
—

2010

Paris Java User Group
OSGi and the Enterprise - A match made in a … box?

GeeCON
Java performance - not so scary after all

2009

Devoxx Belgium
Performance for the Performance-Shy

2008

Devoxx Belgium
Java Performance

TheServerSide Java Symposium Europe
Java Performance Tooling

Great Indian Developer Summit
Java Performance Tooling

Great Indian Developer Summit
Java Performance - Myths, Mysteries, and Paradoxes

TheServerSide Java Symposium
Java Performance Tooling

2007

JavaZone
Getting the most out of garbage collection