Hi, I'm Jhonny

A senior software engineer, building AI infrastructure and developer tools. From Venezuela, currently living in Colombia.

Seven years building software for the web: frontends, backends, and lately the AI that writes both. I like small systems that do one thing well.

tools · rust · typescript · python · node.js · react · postgresql · redis · docker · websocket

ai · bpe tokenization · rag · mcp · agents · vector search · prompt engineering

Learning

plan 2026 · 16 weeks · ~224h · ~3.5h/day · ends 22 nov

done condensed math · pytorch blitz · cs230 · bbc english jul 2026
current s1 · math · algebra · calculus · minimal stats 3–9 aug
next s2 · pytorch blitz + llm apis structured outputs 10–16 aug
coming rag · langgraph + mcp · transformers cs224n · qlora · 2 projects · interview prep aug → nov

Experience

jun 2026 — s2tindustriales.com senior engineer · iot thermal monitoring · react · node · mysql · redis · ws
jan — may 2026 Wai.lat ai engineer · whatsapp ai saas · prompt stacking · rag · handoff
jan 2023 — jan 2026 Membrane senior engineer · ai web ide · agents editing code in a sandbox · vfs · vscode
dec 2020 — nov 2022 Alphas Remote Team lead frontend · react · dashboards · port monitoring · education
may 2020 — dec 2021 Bee Marketing frontend developer · react, wp · sites · woocommerce

Projects

python · rag OmniPod chat with 936 lex fridman episodes · every answer cites its source · 19,140 chunks · groundedness check ↗ rust · mcp Vlk² temporal state machine for agents · detects repeated errors, injects preventive constraints · sqlite · 6.4mb binary ↗ ts · browser ArborFS browser virtual file system · indexeddb + optional remote sync, zero deps · npm: arborfs ↗ js · npm VectorCalc lightweight vector magnitude calculator · npm: vectorcalc ↗