The Mirror and the Machine: Reclaiming Scrum Refinement in the Age of AI.
Leon Pennings
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Archive
89 posts published so far
Less Code, Lost Meaning: Why Boilerplate Reduction Misses the Point
Leon Pennings
The Illusion of Progress: Why Tooling Can’t Replace Engineering
Leon Pennings
The Ghostwriter, the House Builder, and the Missing Domain Model Walk Into a Bar
Leon Pennings
The Two Levels of Software Development — And Why Most Enterprise Applications Fail Over Time
Leon Pennings
How to Recognize an Effective Software Engineer
Leon Pennings
Why Do You Need a Rich Domain Model? That's old school and not modern!
Leon Pennings
A Practical Guide to AI Code Generation
Leon Pennings
The Risk of Ivory Tower Software Development — and Why AI Amplifies It
Leon Pennings
Preventing Conflicting Business Logic in Growing Software Systems
Leon Pennings
Using ACID Properties as a Simplicity Litmus Test
Leon Pennings
The Singleton Reality: Why “It Works” Is Not Evidence of Good Engineering
Leon Pennings
The Integration Tax: Why Distributed Systems Hide the Truth Until It’s Too Late
Leon Pennings
The Silent Profit Killer: Why High Cognitive Load is Harming Your Software Development
Leon Pennings
CVE-2026-0603 – Hibernate security issue: Should you be worried?
Leon Pennings
Modern Software Architectures Made Simple - When To Use What
Leon Pennings
From Values to Meaning: Getting More from Java Enums with Rich Domain Modeling
Leon Pennings
Clean Architecture and Clean Code: What Does That Really Mean?
Leon Pennings
Architecture in IT: It’s a Verb, Not a Job Title
Leon Pennings
Why Blind Dependency Updates Are Costing Java Teams More Than They Save
Leon Pennings
When Architecture Inverts Complexity - How CQRS and Event-Driven Architectures Undermine Scalable Domain Models
Leon Pennings
Engineering From First Principles: Why Software Architecture Must Start With the Domain
Leon Pennings
Why Rich Domain Models Are Key to Sustainable Enterprise Architecture
Leon Pennings
IT Should Stop Cork-Sniffing Tools and Get Back to Engineering Basics
Leon Pennings
Scheduling Is a Domain Problem, Not a Framework Problem
Leon Pennings