Jobs / Senior Fullstack Engineer, Accountants Assistant System Development
Jobs at Money Forward

Senior Fullstack Engineer, Accountants Assistant System Development

Money Forward Nagoya | Hybrid
EN: business
JP: none
7,000,000 - 9,000,000 JPY on average (est)
Employment Type
Full time

Job Description

As a senior fullstack engineer, you will be responsible for leading the development of an accountants assistant system called “Money Forward Cloud Partner (hereinafter referred to as Cloud Partner)'', which is used by the certified business partners of Money Forward. Cloud Partner enables our business partners to efficiently manage their client information and provide various professional services. 

Cloud Partner has been developed and maintained by another team in Tokyo, but this time we are going to establish a new engineering team in the Nagoya branch to accelerate the development. You are expected to become the driving force of the development and also establish a great product team together.


  • Design, develop, test, deploy, maintain and improve accountants assistant system
  • Active participation in code reviews and pair-programming to improve the code quality
  • Monitor the production environment and recover the system if some troubles happen 
  • Participate in the discussions of product specifications
  • Contribute to the improvement of development process, communication, team building, etc

Technology Stack

  • Backend: Ruby on Rails, GraphQL
  • Frontend: React,js, Next.js, TypeScript
  • Middlewares: MySQL, Kafka, Debezium
  • Infrastructure: AWS, Docker, Kubernetes, Terraform
  • CI/CD: Circle CI, GitHub Action, Argo CD
  • Monitoring: Datadog, Rollbar
  • Task management: JIRA
  • Communication: Slack, Zoom


Must Have

  • 5+ years of web application development experience
  • Full stack web application development skill
  • Experience of backend development with Ruby on Rails and RDBMS
  • Proficiency of test driven development
  • Experience of container based development
  • Experience of designing and deploying cloud infrastructure
  • Professional working proficiency in English (IELTS 7+, TOEFL iBT 100+, TOEIC 870+)
  • Motivation to learn Japanese
  • Be able to relocate to Japan and commute to the office in Nagoya at least once in a week

Nice to Have

  • Experience of microservice development
  • Experience of system architecture design
  • Experience of frontend development with Next.js and GraphQL
  • Experience of working in scrum team practicing DevOps

About the Company

Money Forward X

Money Forward X provides BtoBtoC / BtoBtoB services for financial institutions and business companies, and is the predecessor of the Fintech Business Promotion Department launched in 2017. In order to achieve Money Forward's vision of "Becoming the financial platform for all", we are currently working on providing money solutions for local users.
With the trust and data of financial institutions, who have been the foundation of Japan's economy for many years, combined with Money Forward's technology, we will create a future with more convenience and less worries for money.

Our Product, "BANK APP"

“BANK APP" is a mobile application for customers of regional financial institutions, which allows users to access various services such as account opening, fund transfer, loan borrowing, repayment, and changing address, in addition to daily money management such as account balance, deposit, withdrawal details, mortgage balance, and mutual fund investment status. It is linked to the account system in collaboration with regional financial institutions and system vendors, so it can be used by anyone, including those who do not have an internet banking account.

Salary Range

  • 7-9 million JPY annually

Location, Remote Work

  • Location: Nagoya, Japan
  • Remote work: Hybrid/Partial remote with one day of in-office work per week

Working Hours

  • Flexible Working Hours (No core time)


  • Two days off per week (Saturday and Sunday)
  • Japanese national holidays (16 national holidays in 2023)
  • Paid holiday: 10 days (first year) *Number of paid holidays increases (+1 day) every year up to 20 days a year.
  • Summer vacation days: 3 days
  • Winter vacations days: 2 days


  • Medical insurance
  • Employee stock ownership plan
  • Full transportation coverage
  • The latest computer (Unlimited upgrade or purchase when needed for development is available upon approval.)
  • Seminar participation support
  • Book purchases
  • Copyright of OSS belongs to individuals

Relocation Support for Overseas Candidates

  • Communication Support
    • Japanese language study support
      • Online beginner courses
      • Terakoya (Japanese study buddy program)
    • In-house Translation & Interpretation team
    • Active English-speaking employee community within the company
    • Culture and Language exchange events
  • Relocation Support
    • Working and dependent visa sponsorship and application assistance
    • Flight tickets (for employee and their dependent family)
    • Airport pick-up
    • Temporary fully furnished apartment
      • 1st month: free
      • 2nd and 3rd month - corporate discount available upon request
    • Relocation bonus for initial life setup
    • Settling-in support after arrival in Japan
      • City office and bank account opening tour
      • Information sharing about mobile plans, credit card applications, etc..