Ruby on Rails Engineer (Tech Lead/Senior)

Must-HavePrincipal level: From 7-8 years with backend development, and from 5 years experience with Ruby on Rails Senior level: From 4 years experience with Ruby on RailsGood understanding of SOLID principles, common design patterns and best practicesSolid experience with MySQL or PostgreSQL including performance tuning and optimizationExperience with complicated system architecture which includes API linkage with external systemsExperience with application performance monitoring and optimizationExperience with automation testing, E2E testingExtensive knowledge of web securityFamiliarity with CI/CD, DockerEnglish: good communication skillStrong sense of ownershipNice-To-HaveExperience with Amazon Web ServicesExperience with service operation on productionExperience with frontend development (TypeScript, ReactJS/VueJS)