Juan Francisco Lebrero

LLM research engineer & product builder

About

I’m Tech Lead and an AI engineer who builds products end to end. I work across LLM systems, research, agent architecture, evaluation, infrastructure, and product engineering. I’m currently building AWAM, Reacher, Designboard, and other open-source tools for coding agents.

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Tastemaker

Gone streaking

Maker History

DesignboardThe open visual canvas for every coding agent
Sep 2026

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Joined Product HuntJune 18th, 2026

Forums

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23h ago

Designboard - The open visual canvas for every coding agent

Open source visual design for every coding agent. Create and edit real HTML artboards, then save everything as one local, portable file. No account, server, or lock-in.