Posts
All the articles I've posted.
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A Chip in a hand
Reflections on six years living with an NFC implant: getting thirteen millimeters of bioglass installed between thumb and index finger in 2019, the tap-to-share-URL party trick, falling down the RFID and MIFARE security rabbit hole with an SDR, and why technology only feels magical when it crosses the skin boundary.
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Observability: Balancing Its Benefits and Costs in Modern Software
A data-backed look at weighing observability's benefits against its growing bill, drawing on Splunk's State of Observability and the 2024 DORA report: $400B a year lost to downtime, elite teams shipping 127× faster. Includes practical tactics for collecting telemetry deliberately and a back-of-the-envelope ROI framework for your observability spend.
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OO Interfaces, Types & Contracts — Why They Still Matter in 2025
Why object-oriented interfaces, static types, and design-by-contract still pay off in 2025: fewer undefined-method surprises, documentation that can't rot, cleaner module boundaries, and why explicit contracts make AI coding agents dramatically more reliable. Plus the cost spectrum from C to Rust, and when minimal typing is the smarter trade.
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Paridade de ambientes com Helmfile
Como alcançar paridade entre desenvolvimento e produção rodando Kubernetes localmente: por que abandonar a dupla docker compose local + Kubernetes em produção, como Helm e Helmfile simplificam a orquestração de serviços com poucos YAMLs, e opções como Docker for Desktop, Rancher Desktop (K3S) e Minikube para manter um cluster local leve.