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) #J-18808-Ljbffr
* 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) #J-18808-Ljbffr