Product Manager【全国 Full Remote 年収 1500万円】 | Fast-Growing AI Company

One of our key clients, a fast-growing Japanese AI company developing cutting-edge Generative AI and Large Language Model (LLM) technologies, is currently looking for an experienced Product Manager to lead the development and growth of its enterprise AI SaaS product.
The company develops its own proprietary Japanese Large Language Models from scratch and provides AI-powered solutions to major enterprise customers in Japan.
Its products are already used by more than 300 companies, including approximately 30% of Nikkei 225 companies, particularly across the manufacturing and R&D sectors.
IMPORTANT:
Japanese Business Level Required (N1 or Equivalent)
This is a Full Remote Position from Anywhere in Japan
Why Join?
Full remote – work from anywhere in Japan
Competitive salary up to ¥15M
Work on cutting-edge Generative AI / LLM products used by major Japanese enterprises
Join a fast-growing AI company with strong funding and proprietary LLM technology
About the Role
As a Product Manager, you will be responsible for a specific feature area of the company’s enterprise AI SaaS product.
You will work closely with Product Marketing Managers, Engineers, Product Designers, AI Researchers, and Business Development teams to identify customer challenges and translate them into product strategy and development priorities.
Each feature team typically consists of one Product Manager, 1–3 Product Designers, and 5–7 Engineers.
You will have ownership across product discovery, strategy, roadmap creation, development, release, and continuous product improvement.
Responsibilities
Define and drive product strategy for your assigned product/feature area
Identify customer challenges and define product direction
Create and manage the product development roadmap
Define product and functional requirements
Prioritize features and improvements based on customer and market needs
Work closely with Engineers and Designers to determine development priorities and schedules
Conduct competitive and market research
Participate in customer interviews and user testing
Drive product discovery, prototyping, and technical validation
Manage product development using Agile methodologies
Coordinate stakeholders and development resources
Analyze user feedback and product data to identify improvement opportunities
Measure post-release impact and continuously improve product value
Requirements
3+ years of Product Management experience for an in-house product
Professional experience in a B2B business environment
Strong communication and stakeholder management skills
Ability to work cross-functionally with Engineering, Design, Marketing, and Business teams
Ability to analyze customer and business problems and translate them into product initiatives
Nice to Have
Product Management experience in B2B SaaS
Experience with Agile or Scrum development
Experience with Generative AI, NLP, or AI-related products/projects
Knowledge of UX Research or UI/UX Design
Experience working with manufacturing or R&D organizations
Benefits
Salary
Annual salary: ¥7,000,000 – ¥15,000,000
Salary will be determined based on experience and skills.
Salary reviews are conducted twice per year.
Location & Working Style
Full Remote – Japan
You can work remotely from anywhere in Japan.
Employees living within the Tokyo metropolitan area can freely choose between remote work and coming to the office.
Office: Minami-Aoyama, Minato-ku, Tokyo
Working Hours
Flextime system
Core hours: 10:00–14:00
Average overtime: approximately 10–20 hours/month
Flexible working arrangements to support childcare and other personal responsibilities

Work arrangement
Yes