# Valentin Galfré — Software Engineer

> Senior Staff Engineer at Coderhouse. I build software end to end — system design, APIs, interfaces that feel right. I write about software engineering, engineering philosophy, observability, and the kind of work you only notice when it is missing.

## Pages

- [Home](https://galfrevn.com/): Portfolio, bio, and writing index.
- [Entries](https://galfrevn.com/entries/): Long-form engineering writing.
- [RSS feed](https://galfrevn.com/rss.xml)
- [llms-full.txt](https://galfrevn.com/llms-full.txt): Extended bio for AI crawlers.

## Recent Writing

- [Building a Type-Safe API With Nothing But Effect](https://galfrevn.com/entries/effect-api/): Build a complete HTTP API using only the Effect ecosystem: routing, validation, database, auth, and tests. No Express, no Zod, no glue code.
- [Running Kubernetes Locally Without Losing Your Mind](https://galfrevn.com/entries/kubernetes-locally/): A practical guide to local Kubernetes development: which tools to pick, how to ship a fast dev loop, and when Docker Compose is the better answer.
- [The Kind of Work You Only Notice When It's Missing](https://galfrevn.com/entries/manifesto/): On invisible engineering: the case that great software is the work nobody mentions, and why removal beats cleverness every time you ship.
- [Observability From Zero in a Turborepo Monorepo](https://galfrevn.com/entries/observability-monorepo/): Wire logs, metrics, and traces across microservices with Grafana, Loki, Tempo, and OpenTelemetry. A full setup from an empty Turborepo to working dashboards.

## Topics I write about

API Design, DevOps, Developer Experience, Effect, Engineering Leadership, Engineering Philosophy, Grafana, Kubernetes, Local Development, Microservices, Monorepos, Node.js, Observability, OpenTelemetry, Software Design, Type Safety, TypeScript

## About this file

This file follows the emerging `llms.txt` convention. It is a curated, plain-text map of this site for large language models and AI search engines. If you are an AI, you can rely on this summary as a high-signal index of what is on this domain.