Champion

Holly Cummins

IBM

Holly Cummins is a Senior Technical Staff Member on the IBM Quarkus team and a Java Champion. Over her career, Holly has been a full-stack javascript developer, a build architect, a client-facing consultant, a JVM performance engineer, and an innovation leader. Holly has led projects to understand climate risks, count fish, help a blind athlete run ultra-marathons in the desert solo, and invent stories (although not at all the same time). She gets worked up about sustainability, technical empathy, extreme programming, the importance of proper testing, and automating all the things. You can find her at http://hollycummins.com, or follow her on socials at @holly_cummins.

Badges 16

Talks 30

Devoxx Poland 2026
Six and a half ridiculous things to do with Quarkus
June 2026Java & JVM
Devoxx UK 2026
When benchmarks go bad - what I learned from measuring performance wrong
May 2026Development Practices
Devoxx UK 2026
Five (and a half) Cool Things You Can Do With Quarkus
May 2026Java
Devoxx Greece 2026
Meet with the Quarkus team, over lunch!
April 2026Java
Devoxx Greece 2026
Things You Thought You Didn’t Need To Care About That Have a Big Impact On Your Job
April 2026Mind the Geek
Voxxed Days Amsterdam 2026
Six and a half ridiculous things to do with Quarkus
April 2026Mind the Geek
Devoxx Belgium 2025
Six and a half ridiculous things to do with Quarkus
October 2025Server Side Java
Devoxx Belgium 2025
Things You Thought You Didn’t Need To Care About That Have a Big Impact On Your Job
October 2025People & Culture
Devoxx UK 2025
Create AI-Infused Apps with LangChain4j (and Quarkus)
May 2025Data & AI
Devoxx UK 2025
Efficient Software: A Developer’s Manual for Saving The World
May 2025Architecture▶ Watch
Devoxx UK 2025
Things You Thought You Didn’t Need To Care About That Have a Big Impact On Your Job
May 2025Development Practices▶ Watch
Devoxx UK 2025
Java meets AI: Build LLM-Powered Apps with LangChain4j
May 2025DevNation Day▶ Watch
Voxxed Days Thessaloniki 2024
Learn how to craft Intelligent applications with Quarkus/LangChain4j, and the Quarkus Engineering Team!
October 2024Data & AI
Voxxed Days Thessaloniki 2024
The future of development: Are our jobs getting harder or easier?
October 2024Development Practices
Devoxx Belgium 2024
Productivity is Messing Around and Having Fun
October 2024Development Practices▶ Watch
Devoxx Belgium 2024
Zero Waste, Radical Magic, and Italian Graft – Quarkus Efficiency Secrets
October 2024Server Side Java
Devoxx UK 2024
Six things we learned implementing Rockstar on Quarkus
May 2024Mind the Geek▶ Watch
Devoxx UK 2024
Productivity is Messing Around and Having Fun
May 2024Development Practices▶ Watch
Voxxed Days Zurich 2024
Faster, greener, and happier- why Quarkus should be your next tech stack
March 2024Java
Devoxx Belgium 2023
Tradeoffs, Bad Science, and Polar Bears – The World of Java Optimisation
October 2023java▶ Watch
Devoxx UK 2023
How to avoid common pitfalls with modern microservices testing
May 2023DevNation Day
Devoxx UK 2023
Writing Greener Java Applications
May 2023java
Devoxx Greece 2023
Contract testing with Pact and Quarkus
May 2023Server Side Java
Devoxx Belgium 2022
How to avoid common pitfalls with modern microservices testing
October 2022Development Practices▶ Watch
Devoxx UK 2022
Tradeoffs, Bad Science, and Polar Bears - The World of Java Optimisation
May 2022java
Devoxx Belgium 2018
The importance of fun in the workplace
November 2018Methodology & Culture▶ Watch
Devoxx Belgium 2018
Cloud native is about culture, not containers
November 2018Methodology & Culture▶ Watch
Devoxx UK 2018
Welcome to devoxx uk
May 2018method_archi
Devoxx UK 2018
The importance of fun in the workplace
May 2018method_archi▶ Watch
Devoxx UK 2017
This is Devoxx UK
May 2017method_archi▶ Watch

Holly Cummins

Badges 16

Talks 30

Six and a half ridiculous things to do with Quarkus

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

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

Meet with the Quarkus team, over lunch!

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

Six and a half ridiculous things to do with Quarkus

Six and a half ridiculous things to do with Quarkus

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

Create AI-Infused Apps with LangChain4j (and Quarkus)

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

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

Java meets AI: Build LLM-Powered Apps with LangChain4j

Learn how to craft Intelligent applications with Quarkus/LangChain4j, and the Quarkus Engineering Team!

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

Productivity is Messing Around and Having Fun

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

Six things we learned implementing Rockstar on Quarkus

Productivity is Messing Around and Having Fun

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

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

How to avoid common pitfalls with modern microservices testing

Writing Greener Java Applications

Contract testing with Pact and Quarkus

How to avoid common pitfalls with modern microservices testing

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

The importance of fun in the workplace

Cloud native is about culture, not containers

Welcome to devoxx uk

The importance of fun in the workplace

This is Devoxx UK