Two years as a founding engineer: what we shipped, what didn't work, and my own practiceFrom zero infrastructure to 141 tests and a company that closed: what two years as a founding engineer taught me, and what I build now.5 min read·blog.itsfranciscoluna.comSep 30
5 Lessons From a Failed Startup: How I Evolved from Developer to Systems EngineerContext I was a founding engineer for a startup, building B2C apps. We sunsetted the projects we had because they were not profitable, and the runway was over. During my time in the startup, I led a s4 min read·blog.itsfranciscoluna.comJun 29
I Built a Ferrari for a Skateboard: 5 Engineering Mistakes That Cost Me MonthsWe’ve all been there. You have a great idea, and you want to build something serious. You start drawing up complex diagrams and setting up complicated systems. Before you know it, you’ve built a compl4 min read·blog.itsfranciscoluna.com1Jun 14
How I designed a migration through a business pivot with the Strangler Fig patternRecently at work, we've had to deal with a business pivot, yet again. My intuition told me it would happen, which is why I kept the system's architecture flexible. Let me introduce you to the core pro5 min read·blog.itsfranciscoluna.com1Jun 7
The Best Code is Unwritten: Architectural Lessons from Startup Production (May 2026)I started building for startups in 2023. By 2026, I was migrating live auth systems, cutting query latency from 817ms to 119ms, and learning that the hardest part of engineering isn't shipping code bu7 min read·blog.itsfranciscoluna.com2May 27
