UI/UX Designer


—- Submissions without a digital portfolio and cover letter will not be considered —-

UX/UI Design is the bridge between our customers and our engineering efforts.
The role of UX/UI designer is to turn our complex software system into intuitive, accessible and easy-to-use product for our customers.
If you’re willing to expand your skill set, knowledge and experience through working as part of fast-paced, innovative team in the robotics industry, this is the opportunity for you.

  • Conduct user research and carry out quantitative and qualitative usability testings to validate features / concepts and continuously improve user experience
  • Understand underlying concepts to meet our business requirements and technical feasibilities to reflect them to the final product
  • Produce wireframes to communicate with design team and a diverse audience of stakeholders
  • Closely communicate with core developers to validate technical feasibilities of design.
  • Produce hi-fidelity pixel-perfect mockups for different platforms: portable teach pendant screen and mounted touch screen panel

Required Skills

  • Minimum 3 years of experience in related field, including conducting user testing / research and synthesizing the results to reflect them to the design, prototyping and implementation for successful products *This is a UX/UI position, not just a UI / visual designer position. Having understanding of Best User Experience Practices: how to conduct user research and usability testing and having empathy to the user is mandatory*
  • Proficiency in UX/UI software such as Adobe Suite, Sketch, Adobe XD, Figma, Principle, InVision, Zeplin, Avocode, Marvel to produce wireframes and hi-fidelity pixel-perfect mockups
  • Proven abilities to understand and incorporate complex technical and business requirements into intuitive design
  • Possesses an enterprise / corporate aesthetic and has experience with both a B2B and B2C audience
  • Attention to details and solid visual design skills
  • Bring deep experience in at least one facet of the 3 facets of design: 1. user research and usability testing 2. information architecture and interaction design or 3. visual design — It’s ok if you’re not an expert in every specialty. We don’t expect you to know everything – we just want you to be curious enough to want to learn —
  • Great interpersonal and communication skills in English to partner with internal technical and business teams and solid visual design skills
  • Approaches both end users and internal stakeholders with a mind for customer service while respecting business needs
  • Ability to take directions and work as a team player with collaborative attitude
  • Professional attitude: Motivated without ego and your priority is “doing the right thing” for our business as part of the team
  • Business level English

Preferable Skills

  • Interests in B to B Robotics and logistics industry
  • Comfortable in a fast-paced environment with a startup feel

Work Location

Tatsumi office : 3-8-5 Tatsumi, Koto-ku, Tokyo 135-0053 Japan

Working Hours

8:45~17:45 (Includes 1-hour break)

Expected Salary

Flexible depending on the candidate's experience


  • Buffet lunch (Free) →Read in Mujin blog.
  • High-end coffee machine (Free) →Read in Mujin blog.
  • Drinks and Snacks (Free)
  • Team dinner subsidy
  • Gym facilities in the office
  • No dress code (You can dress casually)
  • Social Insurance
  • Transportation/Commuting Expenses paid


2 full days off guaranteed per week *Holidays follow the company calendar
Paid leave

Application form

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