This position is closed and is no longer accepting applications.

Site Reliability Engineer, Private Cloud Platform

LINE Corp. Shinjuku-ku, Tokyo
  • 💴 No salary range given
  • 🏡 Partially remote
  • 🧪 Minimum years of experience unspecified
  • 💬 Fluent Japanese
  • 🌏 Apply from abroad
  • 🧳 Relocate to Japan

About LINE Corp.

LINE Corp. Shinjuku-ku, Tokyo

At 83 million domestic users, or 65% of the population, LINE is Japan's most popular messaging application. It is also popular throughout Asia, boasting approximately 186 million users globally.

Key benefits

  • Build reliable systems at scale
  • Room to grow
  • Healthy work/life balance

About the position

We have multiple on-premise IT infrastructure sites with over 40,000 servers and 3Tbps internet traffic worldwide.

Our infrastructure is growing by 30% annually due to service growth and diversification.

A wide variety of applications are being deployed on the infrastructure everyday and there are more than 2,500 developers in over 10 locations worldwide.

With this scale of infrastructure and developers, Learning and operating cost is too high for developers to deploy their applications with awareness of the infrastructure and its configuration.

We, infrastructure software engineers, are responsible for building and operating a platform to connect applications and infrastructure seamlessly using software techniques and methods.


In this position, you’ll be responsible for IaaS service reliability and its troubleshooting, named “Verda” private cloud which is OSS (OpenStack, Kubernetes and etc) base cloud, as follows.

  • Adopt and apply SRE best practice to IaaS service
  • Daily operation to improve IaaS service reliability
  • Automate manual operation and toil task
  • Close communication with development team


  • 3+ years of experience of server-side software engineering, or equivalent experience (C or Go or Python)
  • Bachelor’s degree in Computer Science, or equivalent knowledge and experience
  • Experience of service day2 operation and troubleshooting
  • Knowledge of cloud services (network and storage and virtualization).
  • Interest in learning new technologies

Nice to haves

These aren’t required, but be sure to mention them in your application if you have them.

  • Experience to work as SRE team, software engineer, or system administrator
  • Experience to build and operate CI/CD system
  • Ability to automate daily tasks by software development
  • Ability to troubleshoot open-source code
  • Experience to operate distributed system
  • Experience operating OpenStack or Kubernetes

Meet LINE Corp.'s Developers

Photo of Swapnali Koli

Joining LINE as a QA Engineer

with Swapnali Koli

Swapnali had been working at a Japanese company as a QA Engineer. Looking for a new challenge, she joined LINE, where she’s led their private cloud API automation project.

Read her story...

Li was working in Toronto when he was recruited to join LINE as a principal engineer. He tells his story of relocating to Japan.

Read his story...
Photo of Matthew Bailey

Growing a career in Japan

with Matthew Bailey

Starting as a server side engineer at LINE, Matt is now a software development manager. He shares his experiences of finding a job in Japan, and gives tips on how you can be successful at landing one too.

Read his story...

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