All work

Brain

A personal knowledge engine where the model only proposes and code checks and writes, rendered into an Obsidian vault.

Knowledge engineIn daily use104 tests

104 tests pass

Problem
AI note systems let the model write freely, which lets invented facts and broken links into your notes.
My role
Solo builder: ingestion, validation rules, a privacy filter, the Obsidian export and daily-note capture.
Shipped
A CLI engine and the vault it writes.
Stack
  • Python
  • Claude Code CLI
  • Obsidian (Markdown and Bases)
  • git
Outcome
  • Evals run against an invented owner, so the test data holds nothing personal
  • A privacy test fails on any excluded term

About me

Wilfredo Baez

Hi, I'm Wilfredo. I'm an AI product engineer in New York, building the products I want to use, and the systems that help me build them.

I work the way a lead works with a team. I decide what to build, write the spec, and direct AI coding agents through small changes I can review. Nothing is accepted on trust: every project here has a test gate, and anything that sends, publishes, pays or deletes waits for my approval.

Before this I spent years on the support side of tech at Apple and Geek Squad, provisioning devices at volume and fixing whatever people brought in. I still run Elevare Solutions, a small studio that builds websites and tools for local businesses. That is where I learned to listen to the people who use what I build.

I'm looking for a founding or early engineering role where I can own a product from its first useful version onward.

WilfredoNew York

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