Software Architecture9 min read
The quiet cost of your abstraction layer
We measured what a repository layer, a service layer and a DTO mapper actually cost across 14 months of changes. The answer was 38% of every ticket.
Software Engineering · section
Software Architecture
Boundaries, interfaces and the decisions that are expensive to reverse.
3 articles
Software Architecture10 min read
The migration that runs while both versions are live
A schema change is easy. A schema change deployed across a fleet where old and new code run simultaneously, without a maintenance window, is a different problem with a known shape.
Software Architecture9 min read
The feature flag that never got removed
Flags are cheap to add and nobody owns removing them. A codebase with three hundred of them has 2^300 configurations, none of which is tested, and one of which is production.