Not all open-source licenses are equal when it comes to data sovereignty. Learn which license types can create jurisdictional risks and how to evaluate them for your infrastructure.
Welcome to William Oliveira
Some notes about Software Engineering, Web Development, Web Performance, AI Engineering, AI Agents, CyberSec, Hacking, DevOps and other things I find interesting.
Latest notes
A curated list of European cloud providers, AI services, and digital tools that offer solid alternatives to dominant US platforms.
A data-driven look at how professional developers really use AI coding agents like GitHub Copilot and Claude. Spoiler: they don't vibe code.
Learn why the relentless pursuit of 'clean code' and a 'perfect architecture' can be counterproductive in real-world software development—and how focusing on practical maintainability is the key to sustainable projects.
Practical examples of common React anti-patterns, explanations, and improved solutions to prepare for interviews.