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Lessons-Learned


Featured Posts

What I Would Build Differently Today

The best pricing systems are not the most sophisticated. They are the ones the team can understand, test, explain, and change safely.

This is the post the series was preparing for. Thirteen posts of architecture, lessons, mistakes, and the manual hygiene we held together by hand. The question I want to answer here is the smallest … »
May 20, 2026
pricing  rule-engine  architecture  retrospective  lessons-learned 

Ten Mistakes I Made Building Pricing Platforms

The expensive mistakes are never about syntax. They are about boundaries, behaviour, and ownership — the parts that look fine until they don't.

The first time somebody asked me what I had learned from building pricing platforms, I gave them a list of techniques. A year later I realised the techniques were not the lesson. The lesson was the … »
February 18, 2026
pricing  retrospective  architecture  lessons-learned  rule-engine 

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