Engineering leadership
Coaching engineers and tech leads, hiring strong teams, and creating clarity so teams can ship with confidence.
Arno KoehlerEngineering manager · Utrecht
Building teams, platforms, and useful developer tools
People-first engineering with a playful edge.
Hi, I'm Arno. I lead engineering for the Digital Shop at Albert Heijn, shape developer experience, and help product teams turn messy ideas into reliable digital products.
Developer experience
Improving tools, workflows, APIs, and platform ergonomics so engineers spend more time creating and less time fighting friction.
Cloud, JVM and AI
Pragmatic Kotlin-first engineering with Java, Spring Boot, cloud platforms, and useful AI-assisted development patterns.
Start here
Not podcasts and books. Yet.
The strongest portfolio version is a content hub: talks you have given, articles you have written, communities you help run, and small tools that show how you think.
talk · Speakerdeck
The Hitchhiker's Guide to the Cloud
A practical, human tour through cloud concepts for JVM and product teams.
talk · Speakerdeck
Be(come) the lead dev
What technical leadership looks like when the job is clarity, trust, and momentum.
writing · IO Digital
Container orchestration for JVM teams
Notes from a Java team's adventure in container orchestration and platform trade-offs.
community · Amsterdam
AI4Devs Amsterdam
Practical meetups where developers experiment with AI tools, patterns, and workflow changes.
project · Portfolio
Digital Shop engineering leadership
Building the conditions for product teams to ship reliable customer experiences at scale.
lab · GitHub
Useful side projects and developer tools
Small experiments around finance, automation, Kotlin, Spring Boot, and practical AI assistance.