This position is closed and is no longer accepting applications.

AI Engineer

  • 💴 ¥6M ~ ¥12M annually
  • 🏡 Partially remote
  • 🧪 2+ years experience required
  • 💬 No Japanese required
  • 🗾 Japan residents only
  • 🧳 No relocation support



EARTHBRAIN is a spinout of Komatsu Ltd, the world's second-largest multinational construction equipment manufacturer. It offers Smart Construction technology which streamlines the construction process through automation and provides earthmoving contractors increased collaboration, efficiency, productivity, and safety.

Key benefits

  • Autonomy for our engineers
  • Dedicated to high quality code
  • We use agile development

About the position

You will be joining EARTHBRAIN’s rapidly growing AI division, part of the Data Value Creation Group. The group analyzes EARTHBRAIN’s challenges, identifies novel, innovative methods to leverage data to tackle them. The team conducts research, development and implementation both in-house as well as with our external partners, pushing the boundaries of what is possible in the construction industry.


  • Help identify the technical challenges in areas related to Smart Construction in EARTHBRAIN’s operations and the operations of our clients.
  • Work collaboratively with the rest of the AI team, as well as other teams and departments within the company, to identify, propose, explore and create ways to tackle the challenges using AI, ML or optimization algorithms as per your professional expertise.
  • Help disseminate AI literacy throughout the organization.
  • Be involved in the whole lifecycle of an AI solution.


  • Master’s in Deep Learning, Machine Learning, Data Science, Artificial Intelligence, Computer Science or similar field, and at least 2 years experience building Machine Learning Models.
  • Alternatively, a PhD in one of the above fields with relevant thesis or publications.
  • Thorough understanding of modern ML technologies, models, methods and its fundamentals.
  • Good grasp of data analytics.
  • Experience working with Python, Pytorch and related modern popular ML libraries.
  • Ability to understand research papers and translate insights into action.

Nice to haves

While not specifically required, tell us if you have any of the following.

  • Industrial or Academic experience working with: Point Clouds/NERFs, Diffusion Models, Transformers, (Deep) Reinforcement Learning, Evolutionary Algorithms
  • Experience designing, building, or optimizing models related to the above
  • Experience working with AWS, GCS, Azure or other cloud services.
  • Experience packaging and deploying ML models.
  • Experience with civil engineering


6 to 12 million JPY annually.

Hiring Process

  1. 1

    Resume screening

  2. 2


  3. 3

    Assignment + Technical interview

  4. 4

    Final Interview

Meet EARTHBRAIN's Developers

Paul is the AI Lead at EARTHBRAIN, where he’s been tasked with building out their AI roadmap and AI team. He talks about the opportunities for AI technologies in the construction industry, what sort of team he hopes to build and what projects he expects to be working on.

Read his story...

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