Writing

Decisions & field
notes

Notes from a hands-on CTO — teams, delivery, technology and teaching. Written to be re-read, not catalogued.

Field notes: teams, delivery, architecture, platform, observability, and CI.

Dossiers

Published series

6 pieces · 1 publishedWhen AI speeds up the code, CI has to keep upWorkstation checks; GitHub keeps the final say.

5 pieces · 1 publishedNix, Entra, and Apple BusinessSeparate enrollment, identity, and workstation state.

4 pieces · 4 publishedOpenTelemetry in productionFrom Dynatrace to operating the open-source stack.

Library

3 articles

Filters

22 Sept 2026OpenTelemetry: 400,000 databases, cardinality, and other telemetry trapsField note

22 Sept 2026OpenTelemetry on 200 services: cover fast without rewriting fifteen years of codeField note

22 Sept 2026Why I proposed OpenTelemetry during a Dynatrace migrationArchitecture decision