Top 3 Reasons To Join Us
Hybrid working; 17 days off; Macbook Pro
Tailored L&D programs for your growth
No.1 market - 13.7 million B2C users in Japan
The Job
- 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)
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)