UI/UX Designer, Corporate Products – Mercari


Job Description

  • In this position, you will be able to lead the design of our internal products while using your decision-making skills to improve our design system and design process.

  • UI/UX Designers (Corporate Products) at Mercari are part of an agile team, so you will have many opportunities to work beyond the scope of a typical UI/UX designer and potentially steer your career in different directions like product design or product management.

  • There are more than 1,800 people with many diverse backgrounds working at Mercari. Even though solving large-scale organizational issues in a fast-paced environment with a diverse workforce is no easy task, we believe that the harder it is, the bigger the impact. Through this role, you will be able to greatly impact the entire company and its management.


At Mercari, we have internal products to handle specific areas such as HR, organizational management, and communication. In this position you will work on these internal products and take on the challenge of helping us solve UI/UX design-related issues for the entire Mercari Group. This is a unique position within our company, where you will work with a cross-functional and agile team in order to achieve your team’s and the product team’s mission. This is a great opportunity to take on new challenges as a UI/UX designer and help design a product from the ground up. Specifically, you will:

  • Understand user needs by conducting user research

  • Work with PMs to identify requirements and make hypotheses in order to provide better value

  • Get feedback from the team and make prototypes and wireframes for verification

  • Work with PMs to develop working UI/UX based on the specifications

  • Review the implemented UI/UX together with engineers and QA members

  • Hold retrospective meetings with the team to encourage improvement and growth


Required Experience

  • Strong understanding of our company’s mission and values

  • 3+ years of experience designing UI/UX for web products

  • Knowledge of and experience with information architectures

  • Experience working in a cross-functional team with software engineers, QA, and product managers

Preferred Experience

  • Experience building designs for B2B services

Screening Criteria

  • Is self-motivated and a self-starter, and has experience initiating projects to solve problems

  • Has experience working in a fast-paced environment

  • Is capable of understanding and explaining user stories for the product

  • Has a positive vibe and enjoys working in a team

Development Tools/Environment

  • Sketch, figma, Jira, Confluence, Slack, etc. (Mac)

Language Requirements

  • English: Conversational (optional)

  • Japanese: Business level

About Mercari

Mercari is a Japan-based company with the mission of “creating value in a global marketplace where anyone can buy & sell.” Having continuously worked toward this goal since our founding in 2013, we are now transforming from a startup into a global player. While this transformation brings its own specific set of challenges, we believe that solving them one after another will allow us to fully achieve our mission. Are you interested in working together to take on these exciting challenges?

Our Culture

Mercari’s culture has been central to the company since our founding, with the three core values of Go Bold, All for One, and Be a Pro. In addition, the “Trust & Openness” value was introduced to embody our culture of mutual trust, where information remains transparent and rules are kept to a minimum. Regardless of how big Mercari gets, the culture will remain essential to achieving our mission and is evidenced throughout our organization.