Japanese-speaking Senior Product Designer (AI Solutions for Legal)

The Candidate Required To Work At Tokyo, Japan.

Client Overview:

Our client is a rapidly growing global LegalTech and AI software company headquartered in Tokyo and San Francisco, specializing in AI‑powered contract review, legal research, and enterprise compliance solutions. Serving thousands of organizations worldwide, the company combines Generative AI capabilities with enterprise‑grade SaaS platforms to help legal and corporate teams automate complex workflows, improve operational efficiency, and accelerate decision‑making processes.

As part of its global expansion and product innovation strategy, the company is heavily investing in next‑generation AI‑driven product experiences. The organization operates in a highly collaborative environment where product, engineering, and design teams work closely to build intuitive, scalable, and business‑critical enterprise platforms for international markets.

Job Role:

The Senior Product Designer will lead end‑to‑end UI/UX design initiatives for complex AI‑powered B2B SaaS platforms, focusing on building intuitive enterprise experiences, advanced AI interaction models, and scalable design systems. Acting as a strategic design leader, this role is responsible for transforming highly complex legal and business workflows into user‑friendly digital experiences while balancing technical feasibility, business objectives, and user satisfaction.

The ideal candidate is a highly experienced product design professional with strong expertise in enterprise SaaS platforms, UX research, Generative AI‑driven interfaces, and scalable design systems, capable of leading high‑impact product modules in a fast‑paced international technology environment.

Key Responsibilities:

• Lead end‑to‑end UI/UX design and architecture for major enterprise SaaS product modules.
• Design AI‑driven user experiences, advanced search interfaces, and intelligent workflow systems.
• Conduct UX research, usability testing, user interviews, and data‑driven design analysis.
• Collaborate closely with Product Managers and Engineers to deliver scalable and technically feasible solutions.
• Develop and maintain scalable Figma‑based design systems and responsive UI components.
• Support multilingual product localization and cross‑platform consistency.
• Utilize AI tools and rapid prototyping methods to accelerate design workflows and product iteration cycles.
• Advocate for design excellence and continuously optimize internal design processes.

Candidate Requirements:

• Bachelor's Degree in Design, HCI, Computer Science, Business, or related fields.
• Minimum 3 years of hands‑on experience in UI/UX or Product Design for Web Services or B2B SaaS products.
• Proven experience leading complex product modules or acting as a Design Lead.
• Advanced proficiency in Figma and scalable design systems development.
• Strong understanding of UX research methodologies, usability testing, and iterative product improvement.
• Experience utilizing Generative AI workflows or designing AI‑powered interfaces.
• Strong communication and stakeholder management capabilities.
• Professional fluency in English is mandatory; Japanese fluency is required for daily communication.
• Open for Expatriates (Non‑Japanese).

Job Code: #663