Job Description

Design and develop services which can handle 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
Leadership experience will be a big plus point
Your skills and experience
Must-Have

Principal 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 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 optimization
Experience with automation testing, E2E testing
Extensive knowledge of web security
Familiarity with CI/CD, Docker
English: good communication skill
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)

Why you'll love working here

Caring Mental & Physical Recreation:

Hybrid working: 2 days at the office and 3 days WFH
Working hour: Flexible start 8AM-9AM from Mon-Fri
Full salary in probation
Insurance: Applied from Probation period:
Social Insurance, Health Insurance, Unemployment Insurance (on 100% salary)
Private health insurance & accident insurance. From Managing level: extra for family members
Bonus: 13th month salary
17 - 24 paid days off and more
Paternity leave: Extra 5 days
Annual company trip; Quarterly team building
Billiards & Running club
Annual health check
Well-equipped facility: Macbook pro, additional monitor,..
Caring Career & Development:

Clear Career path
Foreign language & International technology-related certifications sponsoring
External & internal training courses
Soft-skill workshops
Tech seminars
Monthly and biannual Recognition Awards
Performance & salary review: twice/year (Jun & Dec)