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Fernando Callata
PlaybooksPillarsSpeakingAbout

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Thoughts on software engineering, architecture patterns, and lessons learned from building production systems.

May 18, 2026·7 min read Featured

Node.js Event Loop: The DJ That Never Stops Playing

Node.js is single-threaded — but somehow handles thousands of operations at once. Learn how the Event Loop, Call Stack, and task queues work together, explained through the lens of a DJ at a party.

Node.jsJavaScriptEvent LoopAsyncBeginners
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February 15, 2024·5 min read Featured

Repository Pattern in .NET: A No-Nonsense Guide

Let's cut through the jargon and talk about the Repository Pattern like real people. Think of it as creating a middleman between your business logic and your database—one that actually makes your life easier.

.NETC#Design PatternsClean CodeArchitecture
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Fernando Callata

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