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Mantra

AI-powered manga translation engine for publishers

AI/ML Engineer - Mantra Engine

Natural Language Processing & LLMsConfirmed live in the last 24 hours
Full-timeTokyo, Japan¥6M - ¥10M /yr

About the Job

Requirements

  • At least 3 years of practical development experience using machine learning.
  • At least 1 year of practical development experience using large language models.
  • Business-level Japanese proficiency equivalent to JLPT N2 or higher.
  • Business-level English proficiency.

Responsibilities

  • Develop translation and image-processing technologies specialized for entertainment localization.
  • Conduct and evaluate proof-of-concept projects related to natural language processing, image recognition, and artificial intelligence.
  • Integrate research findings into products.
  • Deploy, operate, and monitor machine-learning models and AI systems, and develop the supporting infrastructure.
  • Improve performance and scalability.
  • Translate practical challenges from translation and business teams into problems solvable with machine learning, and lead the process from requirements definition through implementation.
  • Implement and operate solutions that bridge researchers’ findings into products.
  • Collaborate with web engineers to design and implement the integration of models into products.

Desired Qualifications

  • Expertise in natural language processing and image processing.
  • Development experience using advanced technologies such as large language models and diffusion models.
  • Experience having papers accepted as first author at international conferences or in journals in the field of machine learning.
  • Practical experience as a machine-learning engineer.
  • Experience managing and advancing projects such as machine-learning proof-of-concepts.
  • Experience developing applications such as web services.
  • Development experience in the entertainment and content industry.

About the Company

Mantra

AI-powered manga translation engine for publishers

Mantra builds AI-powered translation tools for manga and distributes them to publishers and manga platforms. Its main product, the Mantra Engine, processes manga content to produce translations that preserve the original artwork, layout, and narrative context, delivering accurate, culturally appropriate localization. The service is offered on a subscription basis to B2B customers such as publishers and platforms, with additional revenue opportunities from licensing and partnerships. This approach aims to cut the time and cost of traditional translation, making manga more accessible to a global audience while maintaining quality. Mantra differentiates itself by specializing in manga translation, leveraging AI and ML to handle the unique combination of text and artwork, and by actively engaging with industry programs and awards to validate its impact.

Company size
51-200
Company stage
Early VC
Total funding
$7.9M
Headquarters
Tokyo, Japan
Founded
2020

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