Software · Systems · Ideas
Build, experiment,
and share what I learn.
I've spent many years working with technology, and some of my projects have been on my mind for even longer. Here I share what I build, the decisions I make, and the adventures that happen along the way.
Latest from the journal
Explore the journalProtos: an idea from years ago that AI helped me bring to life
The story of a programming language I've been imagining for years and am now building on GraalVM.
Read the storyMy adventures in trying to spend less on artificial intelligence
Experiments, limitations, costs, and tool changes on the way to my current workflow: ChatGPT for thinking things through and Claude Code for coding.
In preparationProjects
All projectsFeatured project
In developmentProtos
A programming language I've been imagining for years and am now building on GraalVM. Language design, concurrency, runtime engineering, and performance experiments.
Explore ProtosPersonal project
In developmentHouseWire
A tool for documenting electrical installations in YAML, with a visual editor for spaces and wiring, an interactive shell and reusable component catalogs.
Explore HouseWireA little about me
Technology, engineering, and curiosity.
I'm Guillermo Adrián Molina. I work on infrastructure architecture and technical solutions at BASE Gestió d’Ingressos, while continuing to explore software engineering through personal projects. I'm especially interested in systems, programming languages, and learning by building.
About me View résumé