Frontend Engineer III (Next.js + TypeScript)

  • Tokyo
  • Partial Remote
  • Full-time
  • March 4, 2024
5,500,000 - 6,900,000 JPY /yr
Apply from Anywhere 👍
Relocation to Japan 👍
(Overseas visa sponsorship supported)
Language Requirements
Japanese: Not Required 👍
English: Business Level
Minimum Experience
Mid-level or above

Money Forward X?

Money Forward X is a virtual company organization that provides services of BtoBtoC / BtoBtoB for financial institutions and business companies, and is the predecessor of the Fintech Business Promotion Department launched in 2017. In order to realize Money Forward's vision of "Becoming the financial platform for all", we are currently working on providing money solutions for local users.

By combining the trust and data assets of financial institutions that have supported Japan for many years with Money Forward's technology, we will create a more convenient and money-free future.


Our product

We are creating "Mikatano Series" a group of softwares which provides various services for business companies. We support our customers (companies) and business partners to take the first step in digitizing their business operation and have more in-site into business and finance.

By providing "Mikatano Series", we are helping small and medium-sized enterprises to utilize the power of technology to digitalize the business needs. We provide services such as financial management,  invoice management, workflow management, etc. that help businesses to realize DX objective and make work more enjoyable.



We are looking for a skilled Next.js developer to join our front-end development team. In this role, you will be responsible for developing and implementing user interface components using React.js and TypeScript concepts and workflows such as Redux, Flux, and Webpack. You will also be responsible for profiling and improving front-end performance and documenting our front-end code-base.

To ensure success as a Next.js developer, you should have in-depth knowledge of JavaScript, TypeScript and React concepts, excellent front-end coding skills, and a good understanding of progressive web applications. Ultimately, a top-class Next.js developer should be able to design and build modern user interface components to enhance application performance.


Responsibilities and Duties

  • Meeting with the development team to discuss user interface ideas and applications.
  • Reviewing application requirements and interface designs.
  • Identifying web-based user interfaces.
  • Development and implementing highly responsive user interface components using React and TypeScript concepts.
  • Writing application interface codes using JavaScript, TypeScript following Next.js workflow.
  • Troubleshooting interface software and debugging application codes.
  • Developing and implementing front-end architecture to support user interface concepts.
  • Monitoring and improving front-end performance.
  • Documenting application changes and developing updates.


Required Skill-set

  • Bachelor's or higher degree in Computer Science, Software Engineering etc.
  • At least 3+ years of development experience with Next.js/React.js development.
  • At least 2+ years of development experience with TypeScript development.
  • In-depth knowledge of TypeScript, JavaScript, CSS, HTML, and front-end languages.
  • Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.
  • Understanding of Git and development activities such as merge, conflict resolution of code, pull requests, deployment.
  • Knowledge of performance testing frameworks including Mocha and Jest.
  • Experience with browser-based debugging and performance testing software.
  • Experience with docker-based development/environment configurations.
  • Deep understanding of functioning and implementation of basic algorithms such as sorts, searching and the capability to explain performance characteristics.
  • Business level in English.


Good to have Skill-set

  • Track record of developing products in an Agile development environment.
  • Experience with user interface design.
  • Knowledge of Kubernetes.
  • Experience working in a CI/CD environment.
  • Conversational level in Japanese.


Technology stack

  • Programming language: Next.js, TypeScript
  • Environment: AWS, Kubernetes
  • CI/CD: CircleCI, ArgoCD
  • Repository: Git


Location, Hybrid Work

Kamiyacho Trust Tower 21F, 4-1-1 Toranomon, Minato City, Tokyo

  • 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 (No limit 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

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


Selection Process

Casual interview/Document Screening

Coding Assignment

First 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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Frontend Engineer III (Next.js + TypeScript) at Money Forward