Product Designer · UX/UI · B2B

Designing products that work. And shipping them.

Guilherme Romero, 12+ years in UX/UI and Product Design. Now also building real products with AI.

Selected work

chargebacks.santander.com.mx
Santander Chargeback Dashboard
UX Design

Santander Chargeback: Optimizing Disputes and Reducing Losses Santander Chargeback: Otimizando Disputas e Reduzindo Perdas

140 → 15 days · 63% loss reduction

Unified workflows and automations for dispute resolution across card networks in Mexico and Latin America.

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Storetag
Built with AI

Storetag: Know what's in every box Storetag: Saiba o que tem em cada caixa

A QR code and AI-powered app to track and find anything stored in physical boxes.

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