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Mercari

Peer-to-peer mobile marketplace for secondhand goods

Design Manager

Product DesignConfirmed live in the last 24 hours
Full-timeMinato City, Tokyo, JapanNo salary listed

About the Job

Requirements

  • At least 2 years of design management experience.
  • Strong design skills across user experience, interaction, and visual design, with close attention to detail and craft.
  • Experience leading design in complex or ambiguous problem spaces and shaping product direction through concept development and storytelling.
  • Deep understanding of design systems, scalable patterns, and maintaining consistency across large-scale products.
  • Experience improving a team's output quality through feedback and mentorship.
  • Japanese proficiency at CEFR B2 or above is required.

Responsibilities

  • Lead hands-on, end-to-end design in key areas while holding overall accountability for experience quality across the assigned scope.
  • Define the experience direction and design quality bar across the Marketplace, and improve them by developing patterns and critique processes with the design system team.
  • Prioritize ambiguous business and user problems and steer the team toward a clear experience strategy.
  • Shape team composition and designer assignments, and take responsibility for overall team performance and health.
  • Lead designer hiring and design the onboarding experience, and support members' growth and career development through feedback and performance reviews.
  • Partner with Product Managers, Engineering Managers, and UX Researchers to shape product direction and influence the roadmap.
  • Identify problems and opportunities beyond the immediate scope, and proactively propose new ideas, concepts, and improvements.

Desired Qualifications

  • At least 6 years of professional experience in product design or UX design, owning end-to-end experiences.
  • Design experience with marketplaces, e-commerce, or transactional products.
  • Experience developing designers into high-impact roles aligned with their strengths and aspirations.
  • Experience managing a design organization across multiple teams or product areas.
  • A portfolio or website showing past design work.
  • Familiarity with user research methods and experience applying insights to design decisions.
  • Professional experience in the Japanese market, or experience designing products for it.
  • Comfort with experimentation, prototyping, and rapid iteration in high-uncertainty environments.
  • Experience contributing to designer hiring, such as defining role requirements, designing interview processes, or employer branding.
  • Use of AI tools in daily design work and having reshaped one's workflow around them, from exploration to prototyping.
  • English proficiency at CEFR C1 (the English-language qualification section states C1; the Japanese version describes B1 as preferred and attainable within six months).

About the Company

Mercari

Peer-to-peer mobile marketplace for secondhand goods

Mercari operates a mobile peer-to-peer marketplace for buying and selling secondhand goods. Users list items by taking photos in the app, and buyers complete purchases there, with payments held in escrow until receipt is confirmed. Revenue comes from seller fees (10% in Japan; 10% plus 3.6% buyer protection in the US), plus Merpay payments and promoted listings, plus shipping partnerships for integrated delivery. The platform differentiates itself through a simple mobile experience, escrow and buyer protection, shipping integration, and a broader marketplace including Mercari Shops for sellers, with a goal of extending product life and supporting a circular economy.

Company size
1,001-5,000
Company stage
IPO
Headquarters
Tokyo, Japan
Founded
2013

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