Paulo Castillo

Available to hire

I’m a Senior Product Designer with 15+ years shaping UX/UI for SaaS, eCommerce, and EdTech.

About

I’m a Senior Product Designer with 15+ years shaping UX/UI for SaaS, eCommerce, and EdTech. I specialize in data-driven UX, design systems, and AI-powered product experiences, translating complex workflows into intuitive, accessible interfaces—recently driving user activation up 16-25% for multi-brand SaaS platforms.

I’ve led cross-functional teams across Europe and remote settings, delivering scalable design systems and motion-rich experiences for brands like Hugo Boss, W&V, iGraal, and Accenture/Publicis. I’m passionate about WCAG-compliant design, rapid iteration, and shipping developer-ready assets that blend aesthetics with usability.

  • Joined March 2025

Languages

  • EnglishFluent
  • Spanish; CastilianFluent
  • FrenchFluent
  • GermanIntermediate

Industry experience

  • Education
  • Media & Entertainment
  • Software & Internet
  • Retail
  • Healthcare

Work experience· 12 roles

Senior UX/UI Multimedia Designer · Various ClientsJan 2024 – Present · 2 yrs 11 mos

Delivered 20+ user-centric digital products for B2B and B2C across SaaS, eCommerce, EdTech, and Healthcare; optimized conversion and retention up to 25% on key campaigns; built and maintained 3+ scalable Figma design systems; automated developer handoffs; led cross-functional teams of 4-8; applied WCAG 2.1 accessibility; directed motion strategy using Rive, Framer, GSAP, and Webflow; produced motion-rich microsites increasing engagement by 18-32%.

Senior UX/UI Designer · Global Saving Group (ATOLLS)Dec 2023 – Oct 2025 · 1 yr 11 mos

Optimized activation and cashback flows for 8M+ users; standardized WCAG 2.1 accessibility across multilingual products; conducted UX audits using heatmaps, surveys, analytics; redesigned iGraal’s landing page increasing sign-ups by 16% and conversions by 12%; designed a scalable design system rolled out across 20+ brands; improved Pouch extension flows reducing drop-off by 22% and increasing coupon activations by 17%.

Senior UX/UI Designer · Global Saving Group (Now Atolls)Dec 2023 – Jul 2025 · 1 yr 8 mos

Reworked onboarding, cashback UX, and personalization for 8M+ users. Standardized accessibility across products, improving usability for multilingual audiences. Led audits for UX gaps and iterated using heatmaps, survey data, and stakeholder input. Redesigned iGraal’s main landing page, contributing to a 16% increase in user sign-ups and 12% uplift in conversion rate within 3 months. Built a scalable design system used by over 20 cross-market platforms, improving consistency and reducing dev handoff time by 35%. Streamlined onboarding and coupon redemption flow for Pouch browser extension, leading to a 22% reduction in drop-off and a 17% increase in coupon activation.

Freelance UX/UI & Motion Designer · Various ClientsDec 2023 – Present · 3 yrs
Contract Product Designer · Hugo BossMay 2022 – Jul 2025 · 3 yrs 3 mos
Senior Multimedia Designer · W&V (Werben & Verkaufen)Dec 2021 – Jul 2025 · 3 yrs 8 mos
Senior UX/UI Designer · Hugo BossMay 2021 – Oct 2025 · 4 yrs 6 mos
Senior UI Multimedia Designer · W&V (Werben & Verkaufen)Dec 2020 – Oct 2025 · 4 yrs 11 mos

Education· 5

Advertising Design, Bachelor · Veritas University2004 – 2009
Bachelor's · Latina University2007 – 2011
Bachelor's · Veritas University2007 – 2011
Bachelor’s in Advertising · Universidad Latina2030 – 2025

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