This position is closed and is no longer accepting applications.

MLOps Engineer

CTW Minato-ku, Tokyo
  • 💴 ¥6M ~ annually
  • 🏢 No remote
  • 🧪 Minimum years of experience unspecified
  • 💬 No Japanese required
  • 🌏 Apply from abroad
  • 🧳 Relocate to Japan

About CTW

CTW Minato-ku, Tokyo

We are Japan’s No. 1 IP game platform company, specializing in creating and distributing browser games. Join us and become part of a passionate tech team working on building cutting-edge technologies in the gaming industry.

Key benefits

  • Creative freedom for developers
  • Feel your contribution
  • We rely on motivation 3.0

About the position

As a Machine Learning Operations (MLOps) Engineer, you will be responsible for enabling model deployment automation to production systems to increase the number and quality of users as the G123 platform grows its portfolio of games and expands globally.


  • Build and turn offline model data into a real machine learning production system
  • Apply software engineering rigor and best practices to machine learning (i.e. CI/CD, automation etc.)


  • Proven proficiency in Python
  • Expertise in AWS and its services such as SageMaker, EC2, ECS etc
  • Experience using DAGs to define data pipelines with airflow
  • Master SQL and manipulating database systems (TiDB, etc)
  • Knowledgeable in ML libraries (e.g. TensorFlow & PyTorch)
  • Knowledgeable in CI/CD & Devops principles
  • Proficient in Software Engineering fundamentals


Your compensation will be determined based on your experience as well as the whole interview process. Our salary range is as follows:

  • Level 1: 6-9M JPY
  • Level 2: 8-12M JPY
  • Level 3: 10-33M JPY

The first level is for individual contributors (junior positions), while the last level is for senior and management positions.

Hiring Process

  1. 1

    Web test

    You’ll take an online test via HackerRank. If we think you’re an exceptional match, we may skip this step.

  2. 2

    HR interview

    This is a friendly conversation with one of our recruiters where we’re checking that your general vibe matches, and answer any questions you might have.

  3. 3

    Technical screening

    The technical screening typically is two rounds of interviews, followed by an interview with the CTO.

  4. 4

    HRD Interview

    The final interview while be conducted with our Head of HR. You can ask questions, negotiate the salary and talk about the next steps.

  5. 5


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