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
Train junior/middle members
Requirements
Must-Have
From 3-5 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
English communication
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)
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