This position is closed and is no longer accepting applications.

Machine Learning Engineer


Meguro-ku, Tokyo
    💴 ¥7M ~ ¥10M annually
    🏡 Fully remote
    🧪 3+ years experience required
    💬 No Japanese required
    🌏 Apply from abroad
    🧳 Relocate to Japan

About Zeals

Zeals Meguro-ku, Tokyo

We are a group of scrappy and hungry bunch from different walks of life, looking to make an actual impact on the way people and businesses communicate through our AI Chatbot technology.

Key benefits

  • Everyone has a voice
  • Phenomenal growth
  • Full flexibility

About the position


  • Research, design, and build machine learning systems for prediction, recommendation, and automation
  • Select appropriate algorithms and fine-tune models for optimal performances
  • Evaluate model performance and suggest improvements where appropriate
  • Integrate machine learning models into production
  • Staying up-to-date with the latest machine learning technologies and methodologies
  • Execute critical phases within the ML lifecycle


  • Bachelor’s or Master’s degree in a quantitative field such as Computer Science, Mathematics, Statistics, or Machine Learning
  • 3 years of work experience as a Machine Learning Engineer or Data Scientist
  • Data Science skills:
    • Familiarity with recommendation system algorithms, dimensionality reduction, and clustering
    • Knowledge on AB testing, statistical sampling, and hypothesis testing
  • Development skills:
    • Strong proficiency in Python.
    • Familiarity with frameworks such as Tensorflow and Pytorch.
    • Experience building and deploying machine learning models in a production environment
    • Familiarity with model monitoring techniques and tools

Nice to haves

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

  • Ph.D. in a quantitative field such as Computer Science, Mathematics, Statistics, or Machine Learning
  • Hands-on working experience in MLOps frameworks
  • Extensive knowledge, and ideally work experience, in recommendation systems, deep learning, and optimization methods and some experience in Natural Language Processing.
  • Familiarity with:
    • reinforcement learning
    • image analysis
    • customer experience and customer journey in e-commerce
  • Experience in Big Data technologies


7 to 10 million JPY annually.

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