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Principal Product Designer · Design Systems & AI · Mexico City

I build the shared language between design and engineering, and I'm teaching AI to speak it.

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Selected work

Design systems / 2019 to present

Building Aero from zero

Design System Lead · SpotOn

SpotOn was acquiring products faster than anyone could keep them consistent. I built the design system from nothing across Figma, React, Android and iOS — then led every evolution since: a rebrand, a token pipeline, three versions, and a governance model the org actually uses.

58
Components
24
Platforms
30+
Micro frontends
View case study →
Image · token structure, before/after
Adobe XD kit → Nexus → Aero v2.0
Agentic infrastructure / 2026 · in progress

The agentic design system

Author & Lead · SpotOn

After seven years I could finally name the root cause of every adoption failure: the system was never documented in a way anyone — human or AI — could reason from. I wrote the diagnosis, got sign-off, and am leading the 5-stage plan to build the context layer the system always lacked.

110
Semantic tokens
5
Stage roadmap
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Image · 5-stage phase diagram
Foundation → Connected → Unified → Observable → Agentic
Product design / 2023

Counter App & Loyalty

Product Designer · SpotOn

A customer-facing POS kiosk: arm's-length tap targets, variable restaurant lighting, a fixed device, high cognitive load. The dark mode I shipped here as an accessibility call became the foundational reference for Aero-wide dark mode.

View case study →
Image · Phase 1 → Phase 2 UI
passive display → payment, loyalty, dark mode

About

Portrait

I'm a principal designer based in Mexico City, specializing in design systems and the AI infrastructure that makes them work. I built a design system from zero, defended it when leadership didn't understand what we had, and I'm now designing its next chapter: a system that AI can read from, build with, and help maintain.

W3C-certified in Web Accessibility because I believe we're all temporarily abled, and designing like it isn't optional. When I'm not in front of my computer, I'm studying languages, music, planning my next trip to Japan, or playing video games I've been collecting since elementary school.

Artifacts

AI lets me build things I couldn't build alone. Here's some of them.

Built with Claude Code · Figma MCP · Vercel

The mini Aero dashboard

A working three-panel tool: system health, a token and component explorer, and an Ask Aero interface wired to the Anthropic API. Most designers talk about AI and systems. This is what it looks like when you build it.

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Image / embed · dashboard

Let's talk

Email paucoro14@gmail.com
Elsewhere LinkedIn →