Simulation Software, Engineer, Energy Aggregation System



Tokyo, Japan
Posted on Sunday, April 30, 2023
Woven by Toyota is building mobility for a safer, happier and more sustainable world. A subsidiary of Toyota, Woven by Toyota develops and invests in new technologies, software, and business models that transform how we live, work and move. With a focus on software-defined vehicles, automated driving, data-driven intelligence, security, mobility services, embedded platforms, AI, and more, we build on Toyota's legacy of trust and safety to deliver mobility solutions for all.
For nearly a century, Toyota has been delivering products and services that improve lives. Its earliest offerings, which automated the simple manual task of weaving, have evolved into the safe, reliable, connected automobiles we enjoy and depend on today. Woven by Toyota is an integral part of Toyota’s vision for the next 100 years—a world where mobility is easier, safer and more enjoyable for more people.
Our unique global culture weaves modern Silicon Valley innovation and time-tested Japanese quality craftsmanship and operational excellence. These complementary strengths enable us to develop and deliver cutting-edge technology at scale—optimizing for safety, advancing clean energy and elevating well-being. We envision a human-centered future where world-class technology solutions expand global access to mobility, amplify the capabilities of drivers, and empower humanity to thrive.
The Toyota Woven City is a fully connected ecosystem powered by hydrogen fuel cells and several energy storage devices to be built at the base of Mt. Fuji in Japan. It is envisioned as a 'living laboratory' and 'ever evolving,' incorporating various types of cutting edge technologies. At the same time, it is also 'human-centric,' that is, it is expected to keep people safe and comfortable.
Woven City's R&D team will develop innovative products and services using technologies developed by Toyota Motor Corporation.
Our mission is to:
1. Develop services and products for Woven City
2. Expand capabilities through long-term R&D
Toyota Motor Corporation has been involved in a variety of technological development in the robotics, energy, and automotive domains for a long time. Our team will leverage Toyota's hardware expertise in these fields to create new value by developing software on top of this.
Our team will develop innovative services that are essential to the city. As a first party developer, we will also build a foundation upon which third party partners can participate. Therefore, we are responsible for not just the applications but also the core software and capabilities.
Our team consists of many highly experienced members with international work experience. We strive to be open minded as we create a new culture with members from various backgrounds and nationalities. Our global team works closely with the Toyota Motor Corporation and the Toyota Research Institute in North America to develop our technologies and products.
We are seeking talented people to join us as we take on new challenges to create new products and services for the Toyota Woven City.
For more information about Woven City, please visit: https://www.woven-city.global/
We are looking for engineers with a passion about developing and operating the city scale CO2 free electric power aggregation system used in daily life in Woven City. With hands-on experiences and deep knowledge about software development, you are expected to define requirements, design and develop a flexible and scalable simulation tool which will be used and support daily life in Woven City and business feasibility studies. You are also expected to develop and add the simulator sub functions in short term cycles and evolve the whole simulator in long term cycles. You are also expected to work closely with specialists from various disciplines. This position is reported to the development manager as a development team leader.


  • Create DevOps roadmap and documentation plan for prediction functions, optimization functions or hardware control functions.
  • Lead the DevOps process of the prediction functions, optimization functions or hardware control functions of the energy simulator.
  • Make technical decisions in building multivariate models integrated with mathematical, statistical, physical, machine learning, AI models or control transfer function.
  • Define appropriate algorithms and methodologies for maintainable and scalable coding.
  • Build methodologies for collaboration with cross-functional teams, various service project owners and third parties.
  • 予測もしくは運用最適化、機器制御の機能について開発から運用までのロードマップや文書整備計画を策定する。
  • エネルギーシミュレータの中の予測機能もしくは運用最適化機能、機器制御機能の開発から運用までのプロセス全般を主導する。
  • 数学、統計、物理、機械学習、AI、制御伝達関数などを活用した多変量数理モデルの構築において技術的な判断をする。
  • 保守性や拡張性を考慮したアルゴリズムやコーディングの方法論を定める。
  • クロスファンクショナルチームや様々なサービスプロジェクト担当者やサードパーティとの連携の手段を構築する。


  • Bachelor's degree in data science, computer science, mechanical engineering, electrical engineering, a related technical field, or equivalent practical experience.
  • 5+ years of experience in building multivariate models and data pipelines for prediction, optimization or hardware control by Python.
  • Experience and knowledge of software version management and scrum project management.
  • Experience and skills in writing publications about electrical or thermal energy systems.
  • Proficiency in Japanese reading and writing skill and a passion to develop English skill.
  • データサイエンス、コンピュータサイエンス、機械工学、電気工学もしくはそれらに関連する技術領域や経験を持つ学士
  • プログラミング言語Pythonを用いた予測機能や計画最適化機能、機器制御の多変量数理モデルやデータパイプラインの構築経験5年以上
  • ソフトウェアバージョン管理やスクラムプロジェクト管理のアプリを使ったエンジニアリング環境構築の経験
  • エネルギーシステムに関する著作物作成の経験やスキル
  • 日本語での読み書きのスキルがあり、英語のスキル向上への意欲がある


  • Master's degree in data science, computer science, mechanical engineering, electrical engineering, a related technical field, or equivalent practical experience.
  • Experience in processes from software requirement definition to operations.
  • Experience in the software product development for the energy management system, electric power system, HVAC system or prediction systems (weather, traffic, logistics, stock trading etc.).
  • Experience and skills in API design.
  • Experience and knowledge in the quality control process such as ISO 9000 family.
  • Proficiency in business level English and Japanese.
  • データサイエンス、コンピュータサイエンス、機械工学、電気工学もしくはそれらに関連する技術領域や経験を持つ修士
  • ソフトウェアの要件定義から運用までのプロセスの経験
  • エネルギーマネジメントシステム、電力システム、HVAC、予測システム(気象、交通、輸送、株取引など)のソフトウェア開発の経験
  • API設計の経験とスキル
  • ISO9000シリーズのような品質管理プロセスの経験やスキル
  • ビジネスレベルの英語と日本語
If you are currently located outside of Japan we will set up an interview over Google Hangout Meet or Skype.
・Competitive Salary - Based on skills and experience
・Work Hours - Flexible working time with NO core-hours
・Paid Holiday - 20 days per year (prorated)
・Sick Leave - 6 days per year (prorated)
・Holiday - Sat & Sun, Japanese National Holidays, and other days defined by the company
・Japanese Social Security - all applicable (Health Insurance, Pension, Workers’ Comp, and Unemployment Insurance, Long-term care insurance)
・In-house Training Program (software study/language study)
By submitting your application you agree to the following terms: click here.
Our Commitment
・We are an equal opportunity employer and value diversity.
・We pledge that any information we receive from candidates will be used ONLY for the purpose of hiring assessment.