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IBMer, Java Champion, occasional maker and regular speaker.

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The Joyful Journey from Spring Boot to Quarkus

Quarkus applications are quick to code, start fast, and require much less hardware than their Spring Boot equivalents. They use less memory…

Six and a half ridiculous things to do with Quarkus

Let’s abuse the tools! Everyone knows Quarkus is computationally efficient, expressive, and rock-solid for production. But did you know that…

Six and a half ridiculous things to do with Quarkus

Let’s abuse the tools! Everyone knows Quarkus is computationally efficient, expressive, and rock-solid for production. But did you know that…

Asynchronous & Unreliable - Conversations on The Edge of Software

Welcome to Asynchronous and Unreliable, the new weekly podcast where we discuss the latest and most fascinating ideas in: software…

Six and a half ridiculous things to do with Quarkus

Let’s abuse the tools! Everyone knows Quarkus is computationally efficient, expressive, and rock-solid for production. But did you know that…

Airhacks.fm – From WebSphere to Quarkus: The Evolution of Java Classloading

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

The world of performance analysis is littered with flawed claims, cognitive biases, dangerous intuitions, and beguiling fallacies. Sadly…

The ROI of Quarkus for Spring Boot Applications

Quarkus applications are quick to code, start fast, and require much less hardware than their Spring Boot equivalents. They use less memory…

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

Development is about working with computers, right? Well, not quite. Development is all about working with computers ( easy), and working…

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

The world of performance analysis is littered with flawed claims, cognitive biases, dangerous intuitions, and beguiling fallacies. Sadly…

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

Save the world. Lightning-quick CLIs. Embed WASM. Run Spring code. AI, for real. 5½. Use Minecraft as an observability client. Ok, this one…

Kodsnack 701 - The chicken would explode

Fredrik chats to Holly Cummins about using Minecraft for observability, other amazing Quarkus tricks, and the value of joy at work. Recorded…

We're Gonna Build a Benchmark – Lyrics

I was inspired by Dylan Beattie’s “We’re Gonna Build a Framework” (go watch it, it’s so good!) to make a song called “We’re Gonna Build a…

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

Development is about working with computers, right? Well, not quite. Development is all about working with computers ( easy), and working…

How We Benchmarked Quarkus: Patterns and anti-patterns

Holly, Eric, and Franz discuss some of the lessons learned in creating the new Quarkus benchmark suite.

Java and Web – airhacks.fm podcast with Adam Bien

Six and a half ridiculous things to do with Quarkus

Let’s abuse the tools! Everyone knows Quarkus is computationally efficient, expressive, and rock-solid for production. But did you know that…

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

Development is about working with computers, right? Well, not quite. Development is all about working with computers ( easy), and working…

Fixing The Open Source Bus Number

Open source is a marvellous multiplier which amplifies our collective productivity by allowing us to code on the shoulders of giants. It has…

The free-lunch guide to idea circularity

Why do the same ideas keep coming round again, and again? Why is it that sometimes an idea sticks, and sometimes it just fades away? Why is…

Developer Journey: Accelerating Developer Productivity

In 2026, we’ve learned not to measure developer productivity by lines of code. What actually matters is the velocity of the “inner loop” and…

Quarkus has great performance – and we have new evidence

Quarkus: Supersonic Subatomic Java

From Quantum Physics to Quarkus – airhacks.fm podcast with Adam Bien

Security & DevEx: Can We Have Both? • Abby Bangser, Adrian Mouat & Holly Cummins • GOTO 2025

This interview was recorded at GOTO Copenhagen 2025. #GOTOcon #GOTOcphhttps://gotocph.comAbby Bangser - Platform Engineering Insights from…

Quarkus in Action • GOTO Book Club

This interview was recorded for the GOTO Book Club.http://gotopia.tech/bookclub Check out more here:https://gotopia.tech/episodes/416Martin

Six and a half ridiculous things to do with Quarkus

Let’s abuse the tools! Everyone knows Quarkus is computationally efficient, expressive, and rock-solid for production. But did you know that…

Foojay Podcast #89: Quarkus and Agentic Commerce

Things Software Developers Think They Don’t Need to Care about, But Can Impact Their Job

Holly Cummins gave a keynote at Goto Copenhagen where she urged developers to care about overlooked issues that shape their work. She warned…

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

Save the world. Lightning-quick CLIs. Embed WASM. Run Spring code. AI, for real. 5½. Use Minecraft as an observability client. Ok, this one…

Developer Joy - The New Paradigm

Ever been told “work is not a place to be happy?” It’s not true! As developers, our job is to be productive, and we’re most productive when…

Using LangChain4j to Make Your Java Apps Smarter

AI isn’t just for coding assistants and python programmers. The real power of LLMs comes from integrating them into applications, connected…

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

Development is about working with computers, right? Well, not quite. Development is all about working with computers ( easy), and working…

Six and a half ridiculous things to do with Quarkus

Let’s abuse the tools! Everyone knows Quarkus is computationally efficient, expressive, and rock-solid for production. But did you know that…

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

Development is about working with computers, right? Well, not quite. Development is all about working with computers ( easy), and working…

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

Development is about working with computers, right? Well, not quite. Development is all about working with computers ( easy), and working…

Optimizing Cloud Native Java • GOTO - The Brightest Minds in Tech

This interview was recorded for the GOTO Book Club.http://gotopia.tech/bookclub Read the full transcription of the interview here.

LangChain4j, Java, and You

If you’re not experimenting with AI, were you even developing in 2025? LangChain4j is emerging as a de facto standard for LLM integration in…

The ELUSIVE ART of User-Focused Simplicity In Software

This clip from The Engineering Room features Dave Farley and Holly Cummins, Senior Principal Software Engineer at Red Hat, as they explore…

Aflevering 99: The Hidden Cost of Doing Nothing: Hunting Cloud Zombies | De Nederlandse Kubernetes Podcast

Holly explains that waste in our infrastructure is often easier to solve than we think. With simple automation, time-bound resources, or…

Productivity Through Play: Why Messing Around Makes Better Software Engineers

In this podcast, Shane Hastie, Lead Editor for Culture & Methods, spoke to Holly Cummins about productivity in creative knowledge work like…

Developer Joy: A Better Way to Boost Developer Productivity

Joy isn’t a distraction from productivity. Learn how to reclaim developer satisfaction and boost output by embracing curiosity, minimizing…

Efficiency and Rock 'n’ Roll (Really!)

Is efficiency rock and roll? You might think the answer is “no, definitely not, no way.” Efficiency is about doing more with less, and rock…

Java meets AI: Build LLM-Powered Apps with LangChain4j

Join us for a guided tour through the possibilities of the LangChain4j framework! Chat with virtually any LLM provider ( OpenAI, Gemini…

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

Generative AI has taken the world by storm, and it seems like every executive leader out there is telling us “regular” Java devs to “add AI…

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

Development is about working with computers, right? Well, not quite. Development is all about working with computers ( easy), and working…

How Developers Can Eliminate Software Waste and Reduce Climate Impact

High performance and sustainability correlate; making software go faster by improving the efficiency of algorithms can reduce energy…

The Evolution Of Kubernetes Workload Patterns

Kubernetes workloads differ because they represent applications and services deployed within a cluster encompassing one or more components.

How AI will change software engineering

No one can agree how AI will change software engineering. Here’s how to prepare anyway.

The Efficiency Paradox and How to Save Yourself and the World

Inefficiency is ruining our planet and our lives. Efficiency is ruining our happiness, and weirdly, it’s also ruining our efficiency…

Productivity is Messing Around and Having Fun

Developer satisfaction, developer joy, and business results are strongly correlated. Developer productivity frameworks like SPACE recognize…