Writing
We give the thinking away and charge for the doing.
Written from inside the systems we build and maintain, with the numbers, the costs and the parts that did not work. No sign-up, no email gate, no paid continuation.
- Architecture
Architecture on demand
Architectural effort is a cost and needs a justification. The justification is risk: the measure of how much architecture is needed is the cost of reversing a decision, not the size of the project.
2026-07-15
7 min read - Compliance
What KSeF rollout plans do not show
Integrating KSeF 2.0 is decided not by the FA(3) schema but by deduplication, idempotency and accepting that an invoice is a legal event rather than a file.
2026-07-08
6 min read - Applied AI
An AI plan that survives production
Six questions a board can use to test its own AI rollout plan, or a vendor's proposal, before signing anything. A real plan has answers to all of them.
2026-06-24
6 min read - Identity
Keycloak beyond configuration: when you need your own SPI
An identity server covers 90% of cases by configuration. The remaining 10% turns on whether identity may be scattered across applications, and usually it may not.
2026-06-03
6 min read - Applied AI
AI proposes, the human decides, a pattern, not a disclaimer
AI proposes and a human decides is an architectural pattern built from deterministic gates and verification, not a cautious sentence at the end of a proposal.
2026-05-12
6 min read - Architecture
Architecture governance needs proof, not meetings
Enterprise architecture documentation is out of date on the day it is published; the remedy is a model living in a git repository and validation that runs as a CI gate.
2026-04-22
6 min read