Senior/Principal Ruby on Rails Dev (AWS, Backend)

We are looking for Senior and Principal Ruby on Rails Developers (AWS, Backend) who can join our team and develop the application in cooperation with the product manager. Working in the form of Squad, a small team can quickly and consistently engage in everything from designing to development, testing and operation.Also, there are a lot of opportunities to work with new languages ​​and frameworks other than the main language in an international environment. As an innovator, you will contribute to promoting new ways of working in the architecture and construction industry through product development. Job ScopeDesign, develop, test, operate, and refactor products using Ruby on Rails.Propose and implement new features and improvement ideas.Collaborate with product managers and designers to define requirements and specifications.Architecture design based on requirements, middleware selection.Continuously learn about technical trends and industry best practices and apply them to the product.Measurement of effects for quality improvement and implementation of service improvement measuresDevelopment environmentDevelopment Language: Ruby (on Rails)Infrastructure: AWS, GCPCI/CD: Circle CI/ CodeBuildDB: Amazon Aurora (MySQL compatible edition), Elasticsearch, DynamoDBConfiguration management: AnsibleDeploy / Build: CodePipeline, CodeBuild, CircleCI, GitHub ActionsIaC: Packer, TerraformMonitoring: Datadog, BugsnagOthers: Swagger, Docker, ZenHub, Figma, Slack / Jira