Mô tả công việc: Job description
- Design and develop services which can hanlde a massive amount of data
- Design good database considering functional and non-functional requirements
- Write clean and maintainable code
- Improve code by continuous refactoring
- Monitor application performance and fix system failures
- Train junior/middle members
 
Requirement:

**Must-Have
- From 3-5 year' experience of development with Ruby on Rails
- 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 opimization
- Experience with automation testing, E2E testing
- Extensive knowledge of web security
- Familiarity with CI/CD, Docker
-...