• Power-electronics Engineer


    Japanese version is below




    Your role

    • Development of the electric power systems, including but not limited to battery-to-motor power train systems, of eVTOL
    • Plan and execution of the tests for the system


    • Basic knowledge of electrical engineering and fundamentals 
    • Hands-on experience to design, manufacture and test electric circuit (regardless of as a professional or as an amateur)
    • High level of self-reliance and an autonomous target-oriented work style, sharing our vision.
    • Technical communication skill in Japanese or English and ability to "enjoy together"
      ※Any academic background, age and nationality are welcome



    • Professional experience to handle tens kW order electric device
    • Experience to develop drone, RC airplane, aircraft, robot or electric vehicle (regardless of as as professional or as an amateur)
    • Professional experience with battery or power electronics
    • Professional experience to make electric circuit drawing
    • Professional experience in technical documentations such as certification of safety standards
    • Professional experience in technical coordination with clients, etc.

    Location etc.

    • Toda city, Saitama prefecture (may go global or domestic business trip)
    • Remote work acceptable (a company's share house available)
    • Flextime with core time
    • Flexible contract negotiable (full-time, part-time, subcontracting agreement etc.)


    If you are interested in working with us, please use the form below to contact us with your resume and portfolio.

    Your portfolio should include items that you have created yourself and that describe your project.

    Please attach your resume and portfolio with a Google Drive or Dropbox link.

    Linkedin links alone will not be accepted.





    • eVTOLの電源およびモーター駆動系回路の開発全般
    • 上記に関連する実験計画の立案、実験の実施


    • 電気回路に関する基礎知識
    • 自らの手で電気回路を設計、制作、動作確認した経験(業務、趣味問わず)
    • 自ら考えて課題を発見、解決する自主性など、私たちのミッションに賛同し、自律的に行動できる
    • 日本語または英語での「技術的」コミュニケーション能力および、「皆で楽しむ」力


    • 数十kWレベルの電力設備の取り扱い経験
    • ドローン、ラジコン飛行機、航空機、ロボット、電気自動車等の開発経験(業務、趣味問わず)
    • 電源、バッテリー、パワーエレクトロニクスに関する実務経験
    • 電気回路図作成の実務経験
    • 安全性規格の認証取得など技術的事務の実務経験
    • 取引先等との技術調整経験


    • 埼玉県戸田市(国内外への出張あり)
    • リモート勤務/単身赴任など応相談(社宅あり)
    • フレックスタイム制、コアタイムあり
    • 雇用形態(常勤、非常勤、アルバイト、業務委託契約など)は応相談



    履歴書とポートフォリオはGoogle ドライブもしくはDropboxなどのリンクで送付をお願いします。