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Why Astro and Svelte represent a return to web development simplicity — backed by data from State of JS 2025, performance benchmarks, and real-world experience building this very website.
The fourth chapter of building XergioAleX.com — how the entire blog system works: Content Collections as a data layer, a three-tier tag taxonomy, client-side search, post series with floating navigation, bilingual content, and why every piece of complexity lives in the build, not the browser.
The third chapter of building XergioAleX.com — implementing a complete analytics stack using only free tools, without losing the Lighthouse 100 scores or adding cookie banners. A practical guide to privacy-first, performance-preserving web analytics.
The detailed story of taking XergioAleX.com from great to perfect — achieving 100/100/100/100 on Google Lighthouse PageSpeed Insights for Performance, Accessibility, Best Practices, and SEO, on both mobile and desktop.
The complete story behind XergioAleX.com — from a one-page landing to a bilingual, AI-ready, performance-first personal platform. A deep dive into architecture, technology choices, and why Astro + Svelte is a killer combo for modern static sites.
From my Pereira Tech Talks co-presentation with Sebastián Mora — how programming shifted from writing code to orchestrating agents, what MCPs unlock, and why I brought a robot to a software meetup.
From my Vibe Coding e IA workshop at Open Tech Hackathon — when to use Cursor vs Codex vs Claude Code, the conductor mindset, and practical lessons from shipping AI-powered features at DailyBot.
How I moved from repetitive manual execution in MetaTrader 4 to migrating scripts, indicators, and expert advisors into MetaTrader 5 for a more advanced automation stack.
The story behind migrating pereiratechtalks.com — from a Dockerized Ghost setup with monthly costs to a static Astro site deployed for free on GitHub Pages. Ten years of lessons condensed into two weeks of code.
Why Astro won me over — real case studies from Microsoft and Firebase, measurable performance gains, and a live migration of the Pereira Tech Talks site to prove it's not just hype.
A practical explanation of Market Profile as a visual framework for imbalance areas, institutional flow, and decision-making with structure instead of guesswork.
How I started in futures with friends, found mentorship in Forex through Market Profile, and learned that discipline, psychology, and consistency matter more than fast profits.
What changed between May and August 2023 — my Manizales Tech Talks experience sharing how AI was transforming app development, three months deeper into the revolution.
A personal reflection from my Pereira Tech Talks presentation — why ChatGPT, GPT-4, and generative AI marked the end of the AI winter and the start of a revolution I'm living every day.
Three applications, three rejections, one acceptance — what changed between each YC attempt, what the interview was actually like, and what YC taught us about scaling DailyBot.
My journey through building and failing products at Rocka.co — what each failed experiment taught me, how I learned to recognize real PMF signals, and why DailyBot finally stuck.
Why we adopted type checking at DailyBot — from untyped Python chaos to catching bugs before runtime, reducing cognitive load, and shipping with confidence.
The story behind the XergioAleX ninja coder brand — from concept to execution. Logo symbolism, color palette, design variants, and a complete style guide.
How CSS Grid changed the way I think about layouts — from Flexbox limitations to two-dimensional freedom, with practical exercises and accessibility tricks.
Why styling matters in component-based frameworks and how Vue makes CSS scoped, modular, and powerful. From preprocessors to component architecture.
How I built WebVR experiences with just HTML and JavaScript — a VR maze game, a 360° photo gallery, and over 20 demos that proved virtual reality doesn't need expensive hardware.
Bringing virtual reality to the web and why democratizing VR matters. From 360° photos to interactive 3D worlds, all with HTML and JavaScript.
Why voice-first design matters and how serverless powers the future of conversational interfaces. From Alexa skills to IoT integration.
Why cross-platform development matters and how Flutter's widget model changed my approach to building mobile apps. From React mindset to Dart magic.
A hands-on Docker workshop at Rocka Labs — from containers and images to Dockerfiles, volumes, networks, Docker Compose, and beyond. The complete guide to getting started with Docker.
My journey into serverless architectures and why they changed how I think about building IoT applications. From meditation apps to smart light bulbs.
How Webpack transformed front-end development — my talk breaking down entry points, loaders, plugins, and why developer experience matters more than configuration.
How we built the Rocka.co website — from classical statue metaphors and custom parallax effects to a CSS Design Awards Special Kudos. The story of crafting a digital identity for the incubator where DailyBot was born.
What I shared in a talk on Docker and microservice-oriented architectures — containers, microservice characteristics, and practical demos.
A university project for Advanced Databases class — connecting Django to 10 different database engines (SQL and NoSQL) through Docker containers, demonstrating multi-database management and microservices architecture.