This position is closed and is no longer accepting applications.

MLOps Engineer


Minato-ku, Tokyo
    💴 ¥7M ~ ¥14M annually
    🏡 Fully remote
    🧪 Minimum years of experience unspecified
    💬 No Japanese required
    🌏 Apply from abroad
    🧳 Relocate to Japan

About PayPay

PayPay Minato-ku, Tokyo

With over 55 million registered users (as of February 2023), PayPay is the country’s most popular mobile wallet. Half of all of Japan's smartphone users are using it, and more than 2 billion payments made per year.

Key benefits

  • International engineering team
  • Japanese lessons on company time
  • Incredible scale

About the position

If you’re passionate about building ML models and have MLOps experience, apply for this challenging and rewarding opportunity to work with a team of experts on cutting-edge technologies.


  • Design, and deploy scalable and efficient ML models for various applications
  • Develop and maintain MLOps pipelines for data preparation, model training, and deployment
  • Implement strategies for model monitoring, evaluation, and maintenance
  • Collaborate with Data Scientists, Engineers, and stakeholders to meet business requirements
  • Explore and integrate new ML techniques and tools
  • Document and communicate ML models and MLOps pipelinesPreferred Qualifications
  • Knowledge about Microservices
  • Knowledge about observability and how to gather data
  • System design experience and capacity planning for large distributed systems
  • Understanding of Automation tools and implementation
  • Terraform/cloud formation experience
  • Experience with managing monitoring tools like Cloudwatch, NewRelic, etc. Good understanding of DevOps concepts and implementation


  • Strong experience in ML development and deployment using frameworks like TensorFlow, PyTorch or Scikit-learn
  • Experience with MLOps tools and frameworks like Kubeflow, MLflow, or AWS SageMaker
  • Strong Python programming skills and experience with software engineering best practices
  • Experience with cloud platforms like AWS, GCP, or Azure
  • Good understanding of Data Science, Data Engineering, DEVOps principles
  • Excellent communication skills and ability to work in a team
  • Bachelor’s or Master’s degree in Computer Science, Mathematics, or a related field


7 to 14 million JPY annually.

Meet PayPay's Developers

Ashwini leads one of PayPay’s payment sub-teams. She got there by doing something she’s done throughout her career: identifying something she wants to do and asking to do it.

Read her story...
Photo of Yoseph Savianto

iOS Development at PayPay

with Yoseph Savianto

Yoseph joined PayPay after being attracted to their mission of making Japan a cashless society. As an iOS Engineer, he originally joined their iOS feature team, but now works on their platform team, creating an internal SDK for their iOS and Android apps.

Read his story...

Shilei started working on PayPay before it launched, and has seen it grow into a product used by tens of millions of users. He explains how diversity has helped them overcome challenges, and what PayPay is looking for in candidates.

Read his story...
Photo of Adrian Mariadas

Refactoring PayPay’s Android App

with Adrian Mariadas

Adrian came to Japan to join PayPay as an Android Engineer. As the app has grown in scope, refactoring the codebase to ensure development can continue at a rapid pace has been a big part of his job.

Read his story...

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