El Substack de Javier López Fernández

Substack newsletter · by Javi lopez · English

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Audience
Not shown publicly
We show a dash rather than guess
Publishing
Every two weeks
5 posts indexed in the last 90 days
Last post
Oct 18, 2026
11 days ago
Likely audience
CTOs
Inferred from post content

El Substack de Javier López Fernández is a Substack newsletter by Javi lopez covering Software architecture, Developer productivity and Test-driven development. NewsletterFIT indexed 5 posts from it in the last 90 days, most recently on Oct 18, 2026.

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Recent posts

  • Hypothesis and…
  • The hive…
  • TDD is…
  • Prompting the…
  • How to…

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Compiled from public pages · refreshed Oct 20, 2026 · How NewsletterFIT collects and labels data