Develop AI for manga localization, focusing on automation and workflow efficiency.
About this role
This is a Backend Engineer position for Langaku, Mantra's service that uses popular manga as material for English learning. Langaku is part of Mantra's broader work in AI technology, manga translation, and language-learning services, and is being expanded for use in educational settings. Mantra is a global AI startup whose mission is to deliver manga in the world's languages and remove language barriers in entertainment.
The role is full-time and based in Tokyo, in the Langaku department. Since its release in June 2022, Langaku has offered nationally popular manga as learning material with the full cooperation of publishers including Shueisha, and it won the Grand Prize in the Self-Improvement category of Google Play Best of 2025. The product is now in a growth phase, and the team is focusing on introducing Langaku into classrooms and homes.
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