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Job ID : 1586208 Date Updated : April 9th, 2026

UIUX designer for English speaker

Hiring Company AI monitoring app to protect children from dangerous chats and i
Location Available across Japan
Job Type Permanent Full-time
Salary 5.5 million yen ~ 8.5 million yen

Work Style

Remote Work and WFH Casual Clothing Side Business Ok Flex Time

Job Description

We are seeking a UI/UX Designer to drive the design of multiple rapidly growing products, including Kodamamo. You will craft intuitive interfaces for children, seniors, and global users, working closely with designers, developers, and executives.

You will share responsibilities with existing designers who have experience in graphics, UI/UX, and product management, enhancing overall design quality.

Key Responsibilities

Product Design:

  • Design mobile app interfaces (iOS/Android) using Figma
  • Create user flows, wireframes, and prototypes
  • Build and maintain design systems and UI components

UX Research:

  • Conduct interviews and usability tests with parents, children, school staff, and seniors
  • Analyze app logs and customer service inquiries to identify and solve UX issues

Global Design:

  • Design bilingual (Japanese/English) UI and consider multi-language support for Taiwan, Indonesia, etc.
  • Collaborate with localization teams to optimize international UX

General Requirements

Minimum Experience Level Over 3 years
Career Level Mid Career
Minimum English Level Business Level (Amount Used: English usage about 75%)
Minimum Japanese Level Basic
Minimum Education Level High-School
Visa Status Permission to work in Japan required

Required Skills

Must-have:

  • 2+ years of UI/UX design experience for mobile apps or web services
  • Practical experience using Figma for UI design and prototyping
  • Experience in user research (interviews, usability testing, etc.)
  • Business-level English communication skills
  • Conversational Japanese JLPT N3-4 level

Preferred:

  • Startup/venture experience in small teams
  • Experience building design systems and component libraries
  • Flutter app design experience
  • Multi-language UI design experience (English, Chinese, Indonesian, etc.)
  • Experience in child, education, senior, or healthcare product design
  • Experience using analytics tools (Mixpanel, Amplitude, etc.) for UX improvement

Ideal Candidate

  • Passionate about protecting lives and safety through AI
  • Strives for both beautiful UI and seamless UX
  • Can quickly prototype, gather feedback, and iterate
  • Empathetic towards diverse user groups (children, seniors, international users)
  • Thrives in ambiguous environments and can build processes proactively
  • Curious and confident in using English and exploring new domains

Job Location

  • Available across Japan

Work Conditions

Job Type Permanent Full-time
Salary 5.5 million yen ~ 8.5 million yen
Industry Internet, Web Services

Job Category

Company Details

Company Type Small/Medium Company (300 employees or less)
Non-Japanese Ratio About half Japanese