Senior Backend Engineer (MFK)

• Development, operation, and maintenance of the BPSP platform system.
  
• Development of a card payment system for BPSP using GMOPG as the PSP
  
• Collaboration with related teams such as the ICP (Invoice Card Pay) team and CT (Cloud Transfer / Cloud Payment) team in MFVn. There are also occasional collaborations with the IV (Invoice) team.
  

• Backend
  
• Ruby
  
• Ruby on Rails
  
• GraphQL
  
• Frontend
  
• TypeScript
  
• Next.js
  
• Infrastructure
  
• Service Platform (k8s)
  
• MySQL 8.0 (Aurora MySQL 3)
  

Requirements

• For Backend Engineers:
  
• Experience in development with Ruby on Rails
  
• For Frontend Engineers:
  
• Experience with modern frontend development
  
• Preferred skills and experience
  
• Experience with GraphQL APIs
  
• Experience with Next.js
  
• Experience in developing card payment functionality