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翻訳業務アシスタント/Translation Assistant

Mantra株式会社は、「エンターテインメントから「言語の壁」をなくすこと」に挑戦しているグローバルAIスタートアップです。世界中の誰もが、最新のマンガやアニメ、ゲームを同時に楽しみ、国や文化を超えて語り合う。作品への愛やファン同士の交流...

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Mantra Tokyo Source published May 18, 2026 Verified 3 hours ago
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EmploymentPart-time

Overview

Mantra株式会社は、「エンターテインメントから「言語の壁」をなくすこと」に挑戦しているグローバルAIスタートアップです。世界中の誰もが、最新のマンガやアニメ、ゲームを同時に楽しみ、国や文化を超えて語り合う。作品への愛やファン同士の交流から生まれる「異文化への敬意」が、やがて世界の相互理解を育む―。そんな平和で笑顔に満ちた未来を描きながら、私たちはAI技術

Full job description

Mantra株式会社は、「エンターテインメントから「言語の壁」をなくすこと」に挑戦しているグローバルAIスタートアップです。世界中の誰もが、最新のマンガやアニメ、ゲームを同時に楽しみ、国や文化を超えて語り合う。作品への愛やファン同士の交流から生まれる「異文化への敬意」が、やがて世界の相互理解を育む―。そんな平和で笑顔に満ちた未来を描きながら、私たちはAI技術の研究、マンガ翻訳、そして語学学習サービスの開発に取り組んでいます。 具体的には、マンガ・エンターテイメントに特化したAI技術の研究開発を通じて、高速なマンガ翻訳を実現する翻訳ツール『Mantra Engine』、マンガを用いた英語多読学習アプリ『Langaku』などのサービスを提供しています。また、これらの成果により、HONGO AI Award (2019) 、週刊東洋経済『すごいベンチャー100』(2020)、AAMT長尾賞 (2021)、JEITAベンチャー賞 Early edge賞(2022)、『Google Play ベスト オブ 2025 自己成長部門 大賞(Langaku)』等を受賞しています。 Mantra Inc. is a global AI startup dedicated to “breaking down language barriers through entertainment.” We envision a future where people around the world can enjoy the latest manga, anime, and games together, and engage in conversations that transcend national and cultural boundaries. We believe that the “respect for other cultures” born from a love for these works and interactions among fans will eventually foster mutual understanding across the globe. With this vision of a peaceful, smile-filled future in mind, we are committed to researching AI technology, translating manga, and developing language learning services. Specifically, through R&D in AI technology specialized for manga and entertainment, we provide services such as “Mantra Engine,” a translation tool that enables high-speed manga translation, and “Langaku,” an English extensive reading app that uses manga. Furthermore, these achievements have earned us numerous awards, including the HONGO AI Award (2019), Weekly Toyo Keizai’s “100 Amazing Ventures” (2020), the AAMT Nagao Award (2021), the JEITA Venture Award Early Edge Prize (2022), and the “Google Play Best of 2025 Grand Prize in the Self-Improvement Category (Langaku).”

大手出版社等からの受注が急拡大しているため、翻訳業務をアシスタントしていただける方を募集しています。語学力があり、漫画、小説、ゲーム、翻訳に興味がある方大歓迎です! 最先端技術で業界を牽引していますが、職場は発言がしやすく、和やかな雰囲気の会社です。公用語は英語、外国籍の方が多く在籍しているため、語学を活用したい、グローバル化環境で働きたい方にはぴったりの環境だと思います。 Due to a rapid increase in orders from major publishers and other clients, we are currently seeking translation assistants. We warmly welcome applicants with strong language skills who are interested in manga, novels, games, and translation! While we are leading the industry with cutting-edge technology, our workplace is characterized by an open and friendly atmosphere where employees feel comfortable speaking their minds. English is our official language, and we have many international team members, making this an ideal environment for those who want to utilize their language skills and work in a global setting.

翻訳作業に付随するデータのダウンロードやアップロード 用語集やその他リスト化が必要なデータの作成 その他随時発生する作業 Downloading and uploading data related to translation work Creating glossaries and other lists as needed Other tasks as they arise

大学2年生以上 英語がビジネスレベル TOEFL 75点レベルの英語力をお持ちの方(社内共通言語が英語のため) 週2・3回、一日4時間以上出勤できる方(応相談) 就業日時:月・水・金 10時〜18時の中で、勤務可能な時間 (ご希望にあわせて調整、1出勤あたり4時間以上) 入社から3ヶ月はオフィス勤務必須 3ヶ月後以降、リモート勤務も一部可 (火か木) Currently a sophomore or higher in college Business-level English proficiency English proficiency equivalent to a TOEFL score of 75 (as English is the company’s common language) Able to work 2–3 days a week for at least 4 hours per day (negotiable) Work Schedule: Available hours between 10:00 AM and 6:00 PM on Mondays, Wednesdays, and Fridays (schedulecan be adjusted to suit your preferences; minimum of 4 hours per shift) On-site office work is required for the first 3 months after joining Remote work is partially permitted after 3 months (Tuesdays or Thursdays)

エンタメ・マンガへの強い興味関心 翻訳経験または翻訳業界への理解 日本語・英語以外の言語スキル A strong interest in entertainment and manga Translation experience or an understanding of the translation industry Language skills in languages other than Japanese and English

以下のオンラインツールに精通している方(または速やかに自ら習得する意欲のある方) ・Google Spreadsheet ・Notion ・Discord 単純な作業に飽きずに、正確な仕事をこなせる方 英語でのコミュニケーションに躊躇のない方(英語に対してオープンな方を求めています!英語は完璧である必要はありません。メンバーがサポートします!) Someone who is familiar with the following online tools (or is eager to learn them quickly) Google Sheets Notion Discord Someone who can perform accurate work without getting bored by routine tasks Someone who is comfortable communicating in English (We’re looking for people who are open to using English! Your English doesn’t have to be perfect—our team will support you!)

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