This position is closed and is no longer accepting applications.

Software Engineer, Monitoring System

LINE Fukuoka Fukuoka-shi, Hakata-ku, Fukuoka
  • 💴 No salary range given
  • 🏡 Partially remote
  • 🧪 Minimum years of experience unspecified
  • 💬 No Japanese required
  • 🌏 Apply from abroad
  • 🧳 Relocate to Japan

About LINE Fukuoka

LINE Fukuoka Fukuoka-shi, Hakata-ku, Fukuoka

A subsidiary of LINE Corp that was established in order to take advantage of Fukuoka's unique initiatives.

Key benefits

  • Highly international
  • We'll teach you Japanese
  • A young city and workforce

About the position

We provide a server monitoring system based on Prometheus as a service to support LINE Engineers as they operate a variety of services under the LINE Family.

We developed Promgen, a tool to manage Prometheus and Alertmanager configuration, so that development engineers can take control of their own monitoring. By monitoring and forecasting resource usage, we develop tooling to deal with problems before they occur.


  • Development of LINE Family Service Observability and Monitoring
  • Development Support/Improving
  • Observing usage of resources, development of prediction tools
  • To develop tooling around Prometheus and the greater Prometheus ecosystem

Technology we use

Prometheus, Saltstack, Python, Django


  • 3+ years of professional experience in maintaining and operating a variety of internet services
  • 3+ years of professional experience in troubleshooting and operating linux servers
  • Experience in developing with multiple programming languages (any language experience is welcome)
  • Motivation to learn Japanese.

Nice to haves

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

  • Familiarity with Prometheus and the greater Prometheus ecosystem
  • Saltstack/Ansible/Configuration Management Experience
  • Django Experience
  • Log management tools (fluentd, Elasticsearch)
  • OSS Contribution experience

Hiring Process

  1. 1

    Document screening

  2. 2

    Skill test

    We’ll test your programming abilities using your choice of Java, Kotlin, Perl, Python, or Go.

  3. 3


    We’ll typically conduct 2-3 online interviews.

  4. 4


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