JP: business
Job Description
As we scale, we’re looking for a Senior UI/UX Design Lead to become the core foundation of our design team. If you are a self-sufficient, hands-on leader who thrives in platform design, branding, and crafting seamless user experiences, we want to hear from you.
Experience (junior, mid-level, etc.): Senior
Candidates can apply from: Japan only
Visa sponsorship support: Available
Salary: 6,000,000 to 9,000,000 JPY
Responsibilities
- Lead the end-to-end design process for Katix’s web and mobile platforms, ensuring an intuitive and cohesive experience across products
- Establish and evolve the design system, setting a strong foundation for scalable, consistent UI/UX practices
- Own branding and visual identity across all Katix products, aligning them with business goals and customer expectations
- Conduct user research, usability testing, and data-driven design improvements to enhance platform engagement
- Collaborate closely with product managers, engineers, and stakeholders to bring concepts to life
- Mentor and guide future design hires, fostering a culture of design excellence
Qualifications
- 5+ years of experience in UI/UX design, with a strong focus on web-based platform design
- Proven track record of delivering user-centric designs in a fast-paced startup or tech environment
- Deep expertise in branding and visual design, with experience creating design systems
- 100% self-sufficient: You take ownership, solve problems proactively, and thrive with minimal guidance.
- Strong proficiency in Figma (or similar tools) and knowledge of front-end development constraints
- Excellent communication and collaboration skills, with the ability to articulate design decisions clearly
Language Requirements
- Japanese - Business level
- English - Not required
About the Company
INTERFIRM’s main product, KATIX, makes selling your vehicle simple. Just take a photo and enter the details of it, and you’ll receive offers from multiple companies for it.
Build the future with us
We’re expanding our company to bring our exciting roadmap to life.
Katix is revolutionizing mobility with our innovative platforms:
Katix Bike: A seamless, user-friendly bike-sharing experience.
Katix Car: A next-generation car-sharing and rental platform.
Enjoy your work
We believe work should be enjoyable, not exhausting. Our company has been around for 18+ years, and long-time employees speak highly of the supportive and friendly environment. Even as a newcomer, you’ll quickly find that this is a comfortable and engaging place to work.A social and connected team
We encourage collaboration across teams—even covering the cost of lunch when three or more people from different departments eat together. Teams regularly eats together, hangs out outside of work, and even hosts optional weekly study sessions for non-work-related learning.A diverse team, growing even more so
Company-wide, our gender ratio is close to 50/50, and while most employees are Japanese, we have a growing number of international team members. The average employee age is 27.
Benefits
Remote Work
- A combination of office and remote work
- The amount you’ll be able to work remotely depends on your senority
Holidays
- Weekends and National Holidays
- 5 days of summer vacation
- 10 days Annual paid leave
Working Hours
Flextime with core hours of 11:00 to 16:00
Be the foundation of Katix’s design team and shape the future of mobility in Japan.
Work on impactful products that improve transportation access and convenience.
Autonomy and ownership: Lead design decisions from day one.
Flexible work environment, with opportunities for remote work.