Jhonny Arana.
software engineer · ai infrastructure & developer tools · remote
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01 · about
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
02 · 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
03 · 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
04 · projects
python · rag
OmniPod
chat with 936 lex fridman episodes · every answer cites its source
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rust · mcp
Vlk²
temporal state machine for agents · detects repeated errors, injects preventive constraints
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ts · browser
ArborFS
browser virtual file system · indexeddb + optional remote sync, zero deps
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ts · agents
Membrane AGI
babyagi-style task agent on membrane + openai · embedding-based tool selection
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js · npm
VectorCalc
lightweight vector magnitude calculator
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ts · internal
Roster
manage membrane's directory repo from within membrane itself
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