Full-stack engineer. React and AWS, currently learning the edge.
Rey’s Lab
I build things and write down what they cost. Projects here come with the tradeoff attached, not just a screenshot — and the site itself is kept in the open, decision by dated decision, in the lab.
Selected projects
All projectsIn daily use
Grounder
A CLI that links a project to a local markdown vault, so an agent keeps its memory between sessions instead of starting cold every time.
14 strategies tested
Rookie Trader
A paper-trading harness for testing strategies against historical data, without risking a cent or trusting a convincing backtest.
Placeholder
Third project
A placeholder holding the third card, so the index grid can be judged at its real width rather than at two-thirds of it.
Recent posts
All postsThe adapter is the lock-in
Why a static build and a dist directory buy more portability than any deployment abstraction.
Deciding by looking
Two weeks of arguing about fonts in prose, settled in ten minutes by a route that renders them.
A monorepo with one app in it
Boundaries are cheap to draw early and expensive to draw late. Abstractions are the opposite.