talks

upcoming

2025

2024

YOW!
The Efficiency Paradox and How to Save Yourself and the World
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!
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
Zero Waste, Radical Magic, and Italian Graft – Quarkus Efficiency Secrets
Devoxx
Productivity is Messing Around and Having Fun
Red Hat Summit Connect
How Quarkus makes your apps cheaper, greener, and happier
GOTO
The Efficiency Paradox and How to Save Yourself and the World
GOTO
Panel – Where Is Software Development Going?
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
Six things we learned implementing Rockstar on Quarkus
Jfokus
Tame Microservices with Contract Testing
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
Uh, Does This Thing Actually Work? Modern Microservices Testing
J-Spring
These Five Tricks Can Make Your Apps Greener, Cheaper, & Nicer
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
Cloud Chaos and Microservices Mayhem
Dublin JUG
Writing Greener Java Applications
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 Can't Buy Cloud Native
JNation
Why you're missing out if you're not making Quarkus extensions
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

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

2012

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

2007

JavaZone
Getting the most out of garbage collection