Japanese-speaking Analytics Engineer (AI Solutions for Legal)

About the Company

The candidate is required to work in Tokyo, Japan (onsite). Our client is a globally recognized LegalTech and AI-driven SaaS company specializing in intelligent contract review systems, legal workflow automation, enterprise compliance tools, and generative AI-powered business solutions. Headquartered in Japan with expanding international operations, the company serves enterprises, legal teams, and multinational corporations seeking to modernize legal and operational processes through advanced technology.

About the Role

The Senior Product Designer is a high-impact strategic design role responsible for leading the end-to-end UI/UX architecture of advanced B2B SaaS and AI-driven product ecosystems. Acting as a Design Lead, you will transform complex legal and enterprise workflows into intuitive, scalable user experiences across web platforms and work closely with Product Managers and Engineers.

Responsibilities

• Lead end-to-end UI/UX design for major SaaS product modules and enterprise software ecosystems.
• Design intuitive and scalable interfaces for AI-powered workflows, advanced search systems, analytics dashboards, and enterprise productivity tools.
• Conduct UX research activities including user interviews, usability testing, workflow analysis, and behavioral insights gathering.
• Build wireframes, prototypes, interaction flows, and high-fidelity UI concepts for web-based SaaS platforms.
• Maintain and expand scalable Figma-based design systems and component libraries for multilingual product environments.
• Utilize generative AI tools and AI-enhanced workflows to accelerate design iteration, prototyping, and experimentation.
• Analyze post-launch user behavior and iterate on interfaces for continuous improvement.
• Collaborate with Product Managers, Engineers, and stakeholders to align UX strategies with technical and business objectives.
• Support design quality assurance and mentor junior designers when required.

Qualifications

• Bachelor's degree or above in Design, HCI, Computer Science, Business, or related field.
• Minimum 3 years of hands-on experience designing web services, enterprise platforms, or B2B SaaS products.
• Proven experience acting as a Design Lead or independently owning complex product modules and a strong portfolio demonstrating advanced UI/UX problem-solving for digital platforms.
• High proficiency in Figma, responsive UI systems, component libraries, and scalable design systems.
• Practical experience with generative AI tools, AI-enhanced workflows, or AI-driven interface concepts.
• Strong understanding of UX research methodologies, usability testing, and iterative product improvement cycles.
• Experience working within agile product development environments alongside engineers and product teams.
• Strong communication, presentation, and stakeholder management skills.
• Professional fluency in English is mandatory; Japanese fluency is highly preferred for local collaboration and daily communication.