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About the Role
Mantra Inc. is a global AI startup dedicated to eliminating “language barriers” in the entertainment industry, guided by our mission to “deliver manga in the world’s languages.” We envision a future where people everywhere can enjoy the latest manga, anime, and games simultaneously, and engage in conversations that transcend national borders and cultural differences. We believe that the “respect for other cultures” born from a love for these works and interactions among fans will eventually foster mutual understanding around the world. Envisioning such a peaceful and joyful future, we are dedicated to researching AI technology, translating manga, and developing language learning services. We are looking for teammates who share this passion to turn our skills into a bridge connecting the world and deepen mutual understanding through the power of entertainment.
Responsibilities
- Distributing in-app notifications and updating featured content
- Planning and managing in-app events (such as campaigns) to boost user engagement
- Creating, planning, and managing content for official social media accounts and various media channels
- App Store Optimization (ASO)
- Planning and managing digital advertising (social media ads, search ads, etc.)
- Setting KPIs based on data analysis and implementing improvement measures (PDCA cycle)
- Planning and promoting content marketing, influencer marketing, and other initiatives to acquire new users
- Planning and directing marketing creatives—such as banners and videos—to maximize ad effectiveness
- Communicating with and planning collaborative initiatives with partner companies (such as publishers) to drive business growth
Requirements
- Experience in planning and executing marketing strategies for B2C web and app services: At least 3 years of experience taking full responsibility for the entire process—from KPI design and budget management to campaign execution and performance measurement
- Practical experience in digital marketing: Experience directing the management of social media ads (X, Instagram, TikTok, etc.) and search engine ads
- Experience in creative direction: Experience directing the production of landing pages, ad banners, videos, and other materials, as well as overseeing quality control
- Business-level English proficiency: Ability to communicate in English as required to perform job duties
Skills
- Digital marketing
- Social media advertising
- Search engine advertising
- Creative direction
- App Store Optimization (ASO)
- Content marketing
- Influencer marketing
- Data analysis
- User communication
- PR
- Creative production
- Manga culture understanding
Location
- Tokyo, Japan
Work Type
- Contract leading to full-time employment
- Telework available
- Flexible work hours
Experience Level
- 3+ years of experience in marketing strategy for B2C web/app services
Salary/Compensations
- ¥6,000,000 - ¥9,500,000
Benefits
- Two-day weekend system
- National holidays
- Year-end and New Year holidays
- Annual paid leave
- Special leave for family events
About the Company
- Mantra Inc. is a global AI startup dedicated to eliminating “language barriers” in the entertainment industry, guided by our mission to “deliver manga in the world’s languages.”
- We envision a future where people everywhere can enjoy the latest manga, anime, and games simultaneously, and engage in conversations that transcend national borders and cultural differences.
- We believe that the “respect for other cultures” born from a love for these works and interactions among fans will eventually foster mutual understanding around the world.
- We are dedicated to researching AI technology, translating manga, and developing language learning services.
- Langaku has transformed the way many users think about English learning by offering nationally popular manga as learning materials.
- Langaku won the Grand Prize in the Self-Improvement category of the “Google Play Best of 2025” awards.
- Langaku is currently in a growth phase, and due to business expansion and organizational changes, we now need a dedicated member for product marketing.