Responsibilities

To build a service infrastructure that can withstand hundreds of millions of sessions per day of access, we're going to

• Development and operation to improve the performance, reliability and scalability of the system
• Development of software for operation automation and monitoring tools
• Specific design of service level indicators and targets such as SLI/SLO for various components, visualization and statistical analysis based on them, and operation

Minimum Qualifications

• Experience in service development and operation using Ruby on Rails or similar web frameworks.
• Ability to read and write Ruby code or a willingness to learn Ruby within a few months of joining the company.
• Skill to read and understand OSS source code used in business and send pull requests if necessary.
• Three or more of the welcome conditions apply.

Preferred Qualifications

• Experience in finding and resolving the cause of technical problems with systems (e.g., poor performance)
• Experience in building and operating frameworks to minimize damage, even when system loads exceed expectations.
• Experience in the maintenance, efficiency and operation of system monitoring
• Experience in building, operating and improving infrastructure in a cloud or on-premise environment
• Experience in service development and operation using Ruby on Rails.
• Skills to develop middleware (Fluentd, Embulk itself and its plug-ins) if needed.
• Experience running services using Docker.
• Development experience with Go
• Experience in running a monolithic service into a microservice for more than six months
• Implementation of chaos engineering and over six months of operational experience
• Be willing to do whatever it takes to improve team productivity, such as deleting unnecessary code and maintaining documentation.
• Semi-automated and automated attitude as opposed to having to do manual work over and over
• A deep understanding of things and an attitude to respond to the root of things, rather than a haphazard response
• A strong sense of ownership and responsibility for the project

Recommended for...

• People who want to learn a wide and deep skill.
• People who want to efficiently handle large amounts of data that are increasing day by day as our customers' services grow
• I'm interested in getting the service up and running consistently.