Senior Software Engineer (ID Platform, Tokyo)

  • Tokyo
  • Partial Remote
  • Full-time
  • April 4, 2024
6,400,000 - 9,500,000 JPY /yr
Apply from Anywhere 👍
Relocation to Japan 👍
(Overseas visa sponsorship supported)
Language Requirements
Japanese: Not Required 👍
English: Business Level
Minimum Experience
Senior or above


At Money Forward, we currently provide over 50 services spanning across B2C, B2B and we continue to grow by launching new services aimed at solving financial challenges for everyone.

The ID platform is indispensable for our over ten million users to use these services safely and conveniently.

Through the development of the ID platform, our team mission is:

  • Elevate product and business value through our innovative authentication infrastructure
  • Provide the pinnacle of authentication experience while ensuring supreme account security for all users
  • Persistently pursue technological advancement by actively exploring and integrating advanced ID technologies and standards


Responsibilities and Duties

  • Development of an authentication and authorization platform based on OpenID Connect
  • Development of account lifecycle-related features such as registration and authentication
  • Development of proprietary integration features dedicated to 1st Party clients
  • Development of other features, such as managing user attribute information
  • Improving services based on quantitative and qualitative analysis using user behavior logs



  • Experience in development in the area of authorization, authentication, and digital identity (OAuth 2.0, OpenID Connect, SAML, FIDO2/WebAuthn, etc.)
  • Experience in development, operation, and security of web applications
  • Experience in logical database design and operation with RDB
  • Passion for problem-solving related to authorization, authentication, and digital identity
  • Computer Science/Engineering Bachelor's degree or related technical field
  • A shared belief in Money Forward's Mission/Vision/Values/Culture


Nice to have

  • Experience in our current tech stack including backend (Ruby/Ruby on Rails), frontend (TypeScript, React.js), and others (AWS, Kubernetes, Terraform)
  • Basic knowledge of data analysis and experience in problem-solving and improvement activities using data
  • Daily conversational level of Japanese


Technology stack

  • Backend Languages: Ruby (Ruby on Rails)
  • Frontend Languages: HTML, CSS, JavaScript (TypeScript, React.js)
  • Infrastructure: MySQL, AWS (EKS, ElastiCache, SQS, DynamoDB, etc.)
  • Configuration management: Terraform
  • Monitoring: Datadog, Rollbar
  • CI/CD: CircleCI, GitHub Actions, ArgoCD


Location, Hybrid Work

  • As a standard practice, a minimum of 2 days work from office attendance is mandatory, designated as team office days. Additionally, employees are encouraged to spend 3 or more days in the office.
  • The specific "team office days" may vary depending on the assigned team.
  • This policy may be subject to change based on the company's needs and work circumstances.


Working hours

Flexible Working Hours (No core time)



  • Two days off per week (Saturday and Sunday)
  • Japanese national holidays
  • 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



  • Health insurance
  • Employee stock ownership plan
  • Full transportation coverage
  • The latest computer (if considered necessary for work, limitless upgrade on specs and purchases of peripheral equipment are allowed.)
  • Seminar participation support
  • Book purchases
  • Copyright of OSS belongs to individuals


Relocation Support for Overseas Candidates

  • Working Visa
  • Flight ticket to Japan
  • Signing Bonus
  • Temporary fully furnished apartment for the first month


Selection Process

Casual interview/Document Screening

First interview *Some positions require a technical assignment before the interview.

Second interview

Final interview *Reference checks may be required before or after the interview.

Job offer and Meeting

*The selection process may change

■Reference checks
Money Forward may ask you for the reference checks using an online service, called "back check".
Mutual understanding is limited in the selection process only. Therefore, we would like to refer to the information about you from your supervisor and colleagues working together at the current or previous company so that we can make a more reliable match and to lead to your early success after joining our company.
*No pass/fail decision will be made on the basis of the reference checks only.
*The fact that you are applying for us will not be disclosed to your references.

Money Forward, founded in 2012, strives to deliver exceptional value to users in various business domains. As a leading FinTech company, we offer over 40 services, ranging from personal finance management to B2B SaaS products.

We have been growing rapidly, and we are expanding our global hiring to help further expand the company. That means that we are open to hiring those with limited or no Japanese language proficiency.

Money Forward is one of Japan's hottest FinTech companies and it is now a great opportunity to be a part of one of our continued growths!

View Money Forward's company page

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Senior Software Engineer (ID Platform, Tokyo) at Money Forward