MateoHela
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Writing about building software, scaling systems, and the startup journey.

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Programming

Building Scalable Systems: Lessons from the Trenches

After years of building and scaling systems, I've learned that the most elegant solutions often come from understanding the problem deeply before writing a single line of code.

Mar 8, 2026

6 min read

IT

Why Every Developer Should Understand Infrastructure

The line between 'developer' and 'operations' has blurred. Here's why understanding infrastructure makes you a better engineer.

Mar 1, 2026

4 min read

Startups

From Side Project to Startup: A Practical Guide

Not every side project should become a startup. Here's how to evaluate yours and take the leap if it makes sense.

Feb 22, 2026

8 min read

Programming

The Art of Code Review: Beyond Nitpicking

Code review is one of the highest-leverage activities in software development. Here's how to do it well.

Feb 15, 2026

5 min read

IT

Debugging Production Issues at 3 AM

A war story about debugging a critical production issue and the systems we built to prevent it from happening again.

Feb 8, 2026

7 min read

Startups

Why I'm Betting on Developer Tools

The developer tools market is exploding. Here's my thesis on where the opportunities are.

Feb 1, 2026

6 min read

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