Ruby On Rails Engineer (Principal/Senior)

Must-Have

• From 3+ year experience with Ruby on Rails for Senior level, from 5+ years experience with Ruby on Rails for Principal level
• Good understanding of SOLID principles, common design patterns and best practices
• Solid experience with MySQL or PostgreSQL including performance tuning and optimization
• Experience with complicated system architecture which includes API linkage with external systems
• Experience with application performance monitoring and optimization
• Experience with automation testing, E2E testing
• Extensive knowledge of web security
• Familiarity with CI/CD, Docker
• English: good communication skill for senior level, basic communication for middle & junior
• Strong sense of ownership

Nice-To-Have

• Experience with Amazon Web Services
• Experience with service operation on production
• Experience with frontend development (TypeScript, ReactJS/VueJS)