
Roger Bosch
•May 26, 2026
Asking an agent to rewrite a legacy app does not work. Our method: document the system, fix the exit invariants and reimplement aggregate by aggregate.
Writing about backend systems, data engineering, automation, and real-world AI applications.

Roger Bosch
•May 26, 2026
Asking an agent to rewrite a legacy app does not work. Our method: document the system, fix the exit invariants and reimplement aggregate by aggregate.

Roger Bosch
•May 20, 2026
Simple tutorial to read CSV, validate data, convert to JSON and build a basic CLI in Go. Ideal project to get started.

Roger Bosch
•May 18, 2026
Practical guide to using Architecture Decision Records in personal projects or small teams without falling into heavyweight documentation.

Roger Bosch
•May 18, 2026
What changes when an AI demo becomes a real product: logs, costs, evaluation, permissions, fallback and maintenance.
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Backend and data engineering focused on scalable systems, automation, and AI.
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