- 6+ years of professional UX/UI design experience, including senior ownership of complex, ambiguous projects end to end.
- A portfolio demonstrating strong mobile interaction design and visual/UI craft, with clear evidence of your specific role, decisions, and measurable impact on shipped products.
- Expert-level user flows, wireframing, and visual design; fluency with Figma and modern prototyping tools.
- Hands-on experience integrating AI into a design practice, with the judgment to know where it adds value and where it does not.
- A track record of influencing cross-functional partners and product direction without formal authority.
- Experience mentoring designers and contributing to or defining design systems/patterns.
- Comfort operating autonomously in ambiguity; defining the problem, not just the solution.
- Experience shipping mobile applications or games.
- Strong proficiency in English and Japanese, with the ability to communicate and influence both verbally and in writing across local and global teams.