Articles.
More than twenty years of work on systems that have grown. What a modernization carries and what it costs, how architecture decisions turn out, and what actually drives an AWS bill.
Every article comes from a project, not from a presentation.
Topics
Four areas I work in.
Legacy & Modernization
Systems that have earned money for years and that nobody dares touch any more. When modernization is worth it, when another outcome is the right one, and what the road looks like when the business keeps running.
38 articlesAWS & Cloud
What actually drives an AWS bill, and what an architecture holds when it matters. From two accounts over twelve months, with figures instead of recommendations.
15 articlesBackend & Platforms
Decisions below the surface: a second language next to the first, a search that buckles, a recovery nobody has rehearsed.
23 articlesAI & Automation
AI and automation inside systems that already exist. What holds up in production, what it costs, and where handing work to a machine falls down.
7 articles
Where to start
One article per topic that opens the rest.
When modernization is the wrong answer
Modernization is not always the right answer to a legacy system. When freezing, standard software or retirement is the better call, and how to tell.
A year of FinOps on AWS: from 15,000 to 2,500 euros a month
Twelve months of FinOps across two AWS accounts: where the large amounts were and why commitments come last.
Go in a PHP world: adding high-performance services without rebuilding everything
How I add new high-performance Go services to existing PHP systems without rebuilding everything. Strangler fig in practice instead of a big-bang rewrite.
An AI system on a zero budget: six decisions, three mistakes
Six architectural decisions and three mistakes from an AI side project that must cost nothing. With real code and the places where it went wrong.
Latest articles
The latest 9 of 80 articles.
