Essays and notes on AI, software engineering, developer tools, systems, and the shape of modern product building.
Antonio B De Castro

Logs, metrics, and traces aren’t three separate things—they’re three lenses on the same system
Antonio B De Castro

Internal developer platforms aren’t a luxury—they’re the difference between 10x and 1x engineering orgs
Antonio B De Castro

The most deployed database in the world deserves more respect from backend developers
Antonio B De Castro

Separating the genuinely interesting blockchain primitives from the grifter ecosystem
Antonio B De Castro

Boring technology delivered fast beats clever technology delivered never
Antonio B De Castro

Grid isn’t a replacement for Flexbox—it’s the tool you keep reaching for Flexbox to do
Antonio B De Castro

Integration tests with Testing Library give you 10x the confidence at half the maintenance cost
Antonio B De Castro

Containers won the deployment war, but orchestration is where the real complexity lives
Antonio B De Castro

Trunk-based development with short-lived branches beats GitFlow every time
Antonio B De Castro

GraphQL solves real problems—just not the ones most teams actually have