Senior Ruby on Rails Developer

Job Type
7,000,000 JPY - 10,000,000 JPY per year (negotiable based on experience)
Japanese Level
English Level
Advanced (TOEIC 860)
Start Date


A famous global IT service company is currently hiring a Senior Ruby on Rails Developer who has experience in building complex web applications with Ruby on Rails and has working knowledge of SSO services with SAML and OAUTH2 frameworks. The company was founded as one of the Internet's original trust service providers and has issued millions of digital certificates that have been used to secure commerce and communication on the Internet. This is an great opportunity to work on a global team in a relaxed work environment at a large IT firm.



You will work on the development of a cloud-based ID management ("IDaaS - Identity as a Service") authentication and authorization system, supporting a larger, integrated services platform.


Required Skills

‐Experience in building secure web services and API with Ruby On Rails framework

‐Experience in Test Driven Development and creating efficient suites of unit, integration and functional tests for APIs

Preferred Skills

‐Knowledge of JavaScript and the Node.js platform

‐Experience in code-reviewing techniques and familiar with CVSs like Git or Bitbucket

‐Working knowledge of CI systems like Jenkins or Code-Deploy