Hi, I'm Lucas
Software Engineer
Building reliable systems and considered interfaces.
I design and build software that is reliable under load, pleasant to use, and easy to evolve.
Selected work
A few projects I'm proud of.
Pictobattle
A real-time multiplayer Pictionary game with canvas drawing, live guessing, and horizontal scaling — built as a pnpm monorepo.
Micro Kafka Shop
An event-driven e-commerce platform with three microservices, two storefronts, and Kafka-based async communication — built as a Turborepo monorepo.
This Site: sabado.dev
A bilingual personal blog and portfolio built with Astro, focused on performance, a great reading experience, and zero runtime JavaScript.
Latest writing
Notes on engineering and craft.
Zram: Compressed RAM as Swap on Arch Linux
Why zram beats a traditional swap partition or swap file, and how to set it up on Arch Linux with zram-generator.
Upgrade Your Hugo Site to Tailwind CSS v4
A step-by-step guide to migrating a Hugo site from Tailwind CSS v3 to v4 with the new CSS-first configuration.
How to Make Arch Linux Pacman Even Faster
Speed up the pacman package manager with parallel downloads, nearest mirrorlists, and faster AUR compilation.