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Mantra

AI-powered manga translation engine for publishers

Web Full-Stack Engineer - Mantra Engine

Full-Stack EngineeringConfirmed live in the last 24 hours
Full-timeTokyo, Japan¥6M - ¥10M /yrHybrid

About the Job

Requirements

  • Experience with backend API and database design, as well as frontend development, for commercial services of a certain scale.
  • Experience implementing web services from frontend to backend.
  • Experience leading the full service-development process, from feature specification and design through implementation, testing, and release.
  • English proficiency sufficient for basic communication with non-Japanese speakers; spoken fluency is not required.

Responsibilities

  • Design, develop, and operate web services, including technical decision-making.
  • Manage an engineering team of approximately four members, primarily contract employees.
  • Create and manage development roadmaps based on business strategies and goals.
  • Improve development processes and resolve technical debt to enhance productivity.
  • Identify user challenges and define feature specifications based on user interviews and data analysis.
  • Lead development-focused projects, including discussions of API specifications with clients.

Desired Qualifications

  • Experience leading an engineering team of three or more, such as in an engineering manager or tech lead role.
  • Experience designing, operating, and building backend systems and infrastructure for large-scale services.
  • Experience driving agile development processes such as Scrum.

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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