About Mercedes Rey del Castillo | Contra Mercedes Rey del Castillo
Mercedes Rey del Castillo
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Mercedes Rey del Castillo

Senior Product & Brand Designer · UX/UI, E-commerce

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Meet Mercedes

25+ years in design: brand identity, UX/UI and e-commerce. I built an enterprise design system (71+ components), the brand and UI system of HiFi Hub, and designed for a luxury fashion marketplace (250+ brands). Creator of Agente Mamá IA, my own AI product. I work directly with founders, from strategy to production-ready design — end to end.


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