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Hande DemirtasHD

Hande Demirtas

Product & Design Advisor | Early-stage & MVP

€650/day
Berlin, DE
15+ years

Average response time: 1 hour

About Hande

Product & Design Advisor with 15+ years of experience helping early-stage teams and scale-ups shape product direction and define MVPs.

I work at the intersection of product thinking, UX, and hands-on design — supporting founders and small teams in turning complex ideas into clear, buildable products.
  • English

    Fluent

  • German

    Conversational

  • Turkish

    Native or bilingual

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

Experience

  • keyy.studio & logoyo
    Founder
    EDUCATION AND E-LEARNING
    September 2025 - Today (9 months)
    Berlin, Germany
    • AI-powered language development product
    • Founder and product designer of Logoyo, an AI-powered language development product.
    • Responsible for product vision, concept development, UX strategy, and early MVP definition.
    • Translating complex educational and AI concepts into clear, engaging, and buildable product experiences.
    • Applying the same early-stage product principles I advise clients on in practice.
    User Experience Design User Research Konzeption Branding Product Development
  • Klarna
    Senior Product Designer
    BANKING AND INSURANCE
    November 2021 - December 2024 (3 years and 1 month)
    Berlin, Germany
    • Responsible for the Money Tab within the Klarna app, covering wallet, consumer banking, and personal finance experiences.
    • Designed and continuously improved end-to-end flows for budgeting, cards, and banking features.
    • Worked closely with product, engineering, and data teams to evolve a core product area used by millions of users.
    • Took ownership from early concept to delivery, balancing user needs, regulatory constraints, and business goals.
    Product Development User Research Konzeption Product design User Experience Design
  • Delivery Hero SE
    Senior Product Designer
    E-COMMERCE
    December 2017 - November 2021 (3 years and 11 months)
    Berlin, Germany
    • Led the redesign of the B2C payment flow, improving consumer-facing checkout and payment experiences.
    • Responsible for the Fintech B2B platform where payment orchestration across markets took place.
    • Redesigned the entire B2B platform while maintaining continuity with existing operational needs.
    • Worked across multiple countries and teams, aligning complex financial systems with usable product interfaces.
    User Interface Design Konzeption Usability Testing

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Education

  • Visual Communication Design
    Kocaeli University
    2011

Certifications

Skill set (17)

Categories