Principal Ruby on Rails Engineer

Required Skills and Experience

- 8+ years in software development, 5+ year experience of development with Ruby on Rails - Good understanding of SOLID principles, common design patterns and best practices - Fluent English communication - 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 unit tests - Extensive knowledge of web security - Familiarity with CI/CD, Docker - Experience of leading a project as a team leader - Strong sense of ownership

Why Candidate should apply this position

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 - 16 - 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)