Support the global expansion of manga and games through sales, customer support, and new business initiatives.
Mantra
Entertainment AI · Translation & Localization · Language Learning · Bunkyo, Tokyo
Mantra is an entertainment technology company specializing in AI-assisted translation and localization. Its Mantra Engine platform combines translation, typesetting and image editing for manga, while its professional team handles translation, quality assurance and data processing for manga, anime, games and novels. It also offers custom AI development and proof-of-concept projects for content businesses.
The company earns revenue from localization and development services and subscriptions to Langaku, its manga-based English extensive-reading app for consumers and educational institutions. In 2026, Mantra and Square Enix began deploying a jointly developed AI tool that recommends typefaces, sizes and placement for manga lettering.
- Most requested
- Machine learning 2
- Python 2
- AWS 1
- Git 1
- Google Cloud 1
- JLPT N2 1
- Native Japanese 1
- Japanese posting, level unstated 13
- Common areas
- Marketing 2
- Backend engineering 1
- Frontend engineering 1
- HR & recruiting 1
Measured from the 15 listings Ranked has live for Mantra. Japanese level, visa signal and skills are AI-graded from each posting and can be wrong — confirm against the employer's original posting before applying.
15
open positions at Mantra
1
Assist with translation tasks including data management and glossary creation.
Develop AI for manga localization, focusing on automation and workflow efficiency.
Leads product and app marketing for Langaku, an English-learning app that uses popular manga, supporting expansion into classrooms and home learning.
Shape the direction of Langaku by uncovering user needs, planning product experiences, and contributing to strategic decisions for its manga-based English-learning product.
Leads Langaku’s growth from user acquisition through monetization, using funnel analysis, product experiments, CRM, and channel investment to improve retention and LTV for its manga-based learning app.
Manage HR procedures, handle onboarding, payroll, and improve workflows in a growing organization.
Lead translation projects combining AI and human translation for clients, focusing on project management, customer support, and sales activities.
Drive the growth of Langaku by focusing on product operations and project management.
Seeking a senior-level designer to enhance user experience and define product direction in a growing AI startup.
Own the frontend implementation for key Mantra Engine B2B workflows using Vue 3 and TypeScript.
Design, develop, and operate web services, manage an engineering team, and improve development processes.
Seeking a senior-level designer to enhance user experience and define product direction in a growth phase.
Manage a team of engineers, oversee project management, and align technology with business goals.
Conduct research and development related to the translation of entertainment content, focusing on improving translation accuracy and streamlining workflows.