Principal Ruby on Rails Engineer
This role expects a strong security mindset, with a clear understanding of data privacy, credential protection, device security, and the responsible use of corporate systems, tools, and accounts.
TOP 3 REASONS TO JOIN US
- Perks you will love: Hybrid woring; 16 - 24 paid days off; Top modern & sufficient devices
- Solid global business: No.1 market - 13.7 million B2C users in Japan; 140,000+ paying business customers; Listed in the prime market of Tokyo Stock Exchange
- Hub of growth support: Fintech industry; Tailored L&D; programs for individual growth
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
REQUIREMENTS
Must-Have
- 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
- Experience of leading a project as a team leader
- Strong sense of ownership
Nice-To-Have
- Experience with Amazon Web Services
- Experience with service operations on production
- Experience with frontend development (TypeScript, ReactJS/VueJS)
- Experience of training junior/middle members
OUR BENEFITS
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
- Premio: 13th month salary
- 16 - 24 paid days off and more
- Paternity leave: Extra 5 days
- Annual company trip; Quarterly team building
- Well-equipped facility: Macbook pro, additional monitor,..
- Foreign language & International technology-related certifications sponsoring
- External & internal training courses
- Soft-skill workshops
- Monthly and biannual Recognition Awards
- Performance & salary review: twice/year (Jun & Dec)
TOP 3 REASONS TO JOIN US
- Perks you will love: Hybrid woring; 16 - 24 paid days off; Top modern & sufficient devices
- Solid global business: No.1 market - 13.7 million B2C users in Japan; 140,000+ paying business customers; Listed in the prime market of Tokyo Stock Exchange
- Hub of growth support: Fintech industry; Tailored L&D; programs for individual growth
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
REQUIREMENTS
Must-Have
- 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
- Experience of leading a project as a team leader
- Strong sense of ownership
Nice-To-Have
- Experience with Amazon Web Services
- Experience with service operations on production
- Experience with frontend development (TypeScript, ReactJS/VueJS)
- Experience of training junior/middle members
OUR BENEFITS
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
- Premio: 13th month salary
- 16 - 24 paid days off and more
- Paternity leave: Extra 5 days
- Annual company trip; Quarterly team building
- Well-equipped facility: Macbook pro, additional monitor,..
- Foreign language & International technology-related certifications sponsoring
- External & internal training courses
- Soft-skill workshops
- Monthly and biannual Recognition Awards
- Performance & salary review: twice/year (Jun & Dec)