I Built a Ferrari for a Skateboard: 5 Engineering Mistakes That Cost Me MonthsJun 14, 2026·4 min read·29
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 sJun 29, 2026·4 min read·14
The Best Code is Unwritten: Architectural Lessons from Startup Production (May 2026)May 27, 2026·7 min read·52
Startup Engineering PlaybookHow I've learned to develop software for startupsFeb 27, 2026·7 min read·47
Surprising Backend Tips Revealed After 2 Years of Real-World ExperienceWhen I started working on backend systems I didn’t know what I was doing. I was there repeating logic, building fragile environments, chasing the next trendy framework and overcomplicated things that didn’t need to be complex. Most of the pain came f...Sep 3, 2025·11 min read·41
10 Database Design Lessons Learned Working for a StartupHi! The abyss has been quite intense these weeks, but we're back with a new entry. I remember when I was working in the database design of my first position a year and a half ago. The amount of things I was blundering: bad practices, poor naming conv...Aug 31, 2025·9 min read·75
What 41 Users in 4 Days Taught Me with my First Browser ExtensionI've launched Veelo, a browser extension which you can use to take notes within each tab, kind of like a minimalist Notion in your browser this Wednesday 13th in August. By the day I'm writing this, in August 17th we've gotten: 41 people across 4 co...Aug 17, 2025·4 min read·41
How I'm Escaping the Startup Grind Before Burning Out (At 21 With 2 YOE)Hi, I’m Francisco Luna, Full - Stack Engineer. Let me tell you how I almost lost myself because of the startup grind and what you can learn from it. The sword Of Damocles July 2025. I had just finished university. Stable job, hobbies, freedom, a soci...Aug 15, 2025·3 min read·97