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Juan María Sánchez CrucesJM

Juan María Sánchez Cruces

Principal Product Designer (End-To-End)

€640/day
Berlin, DE
15+ years

Average response time: 1 hour

About Juan María

Product Designer and Design Leader with 20+ years leading 0-to-1 products, platform redesigns, and design systems across B2B, B2C, SaaS, and Web3. My work has supported funding rounds, product growth, acquisitions, and millions of users, combining research, data, and hands-on execution.
  • English

    Native or bilingual

  • Spanish

    Native or bilingual

  • German

    Basic

Can work on-site
Berlin (up to 50km)

Experience

  • JMSC (Freelance)
    End-To-End Product Designer (UX, UI, Web) & Brand Designer
    March 2004 - Today (22 years and 4 months)
    Berlin, Germany
    • Led end-to-end product design and brand strategy for global clients, delivering 0-to-1 launches, redesigns, and mobile transformations that improved product clarity and execution across teams.
    • Facilitating Brand & Design Sprint workshops in companies, startups, and universities, enhancing design strategy.
    Product design User Experience Design User Interface Design User Research Design System
  • Sophon (Lifestyle, Finance & Web3)
    Principal Product & Brand Designer
    April 2025 - November 2025 (7 months)
    • Created user flows, interface designs, and a design system for a Web3 lifestyle platform, improving launch readiness and reducing friction in the token-generation-event website experience.
    • Collaborated with product team to define lifestyle crypto segment positioning, product vision, and jobs-to-be-done.
    Web3 Crypto User Interface Design Product design Artistic direction
  • ESL Faceit Group (Esports, Gaming & Social)
    Principal Product Designer (Mobile)
    August 2024 - April 2025 (8 months)
    • Led mobile app redesign and shipped 1 week early, improving Google Play rating from 4.7 to 4.9, increasing DAU by 37%, and driving 5x more video consumption.
    • Optimized 40+ design system components for mobile while maintaining desktop experience quality and WCAG accessibility standards.
    Mobile Design Responsive design Product design Design System User Research

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Education

  • Bachelor's Degree
    University of Buenos Aires
    Bachelor's Degree
  • Product Psychology Masterclass
    Product Psychology Masterclass

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