Full-Stack Engineer (LINK Platform)

  • Remote OK - Anywhere in Japan
  • Full-time
  • April 20, 2023
Apply from Japan Only
No relocation to Japan
(No visa sponsorship from overseas)
Language Requirements
Japanese: Not Required 👍
English: Business Level
Moneytree is looking to help people & trusted organizations unlock the power of data for good. Our financial data platform, Moneytree LINK, enables individuals and businesses to share their confidential financial information with trusted third parties, such as financial institutions and fintech service providers.
Our technology is used by major banks, accounting software companies and fintech companies in Japan, including Mitsubishi UFJ Financial Group, Sumitomo Mitsui Financial Group, Mizuho Financial Group, TKC and Yayoi, and other 60 enterprise clients. Our apps are also used and trusted by millions of individuals.

LINK Platform team is in charge of building the client-facing LINK products, which include RESTful APIs that are used serve financial data to our customers, as well as mobile and Web SDKs that our customers use to build their own solutions on top of Moneytree platform. As a full stack engineer, you will work on architecting, building and securing our backend APIs as well as Web SDKs that power our client solutions.

If you like hard problems, love to impact large numbers of people, and are passionate about quality, we trust you.

We’ll give you the freedom and responsibility to do good work while we provide the best tools and empower you to use them well. We are flexible, supportive and meritocratic. We are an international and diverse team. We offer a healthy work-life balance, work together to help you grow professionally, and reward your talent and positive attitude.

Join us if you:

  • Want to grow and evolve a B2B platform as well as a consumer product.
  • Enjoy building not only building complete applications, but also designing tools such as SDKs to empower customers.
  • Have a "customer first" mindset and design systems with customer value in mind.
  • Want to build a platform relied on by millions of users for financial insights, while protecting their privacy.
  • Interested in finance / fintech field and have a desire to learn the related domains in-depth.
  • Enjoy working in a highly collaborative environment.
  • You will spend time on the following:

  • Designing and building RESTful APIs in Ruby.
  • Building Web UIs and SDKs in TypeScript and React.
  • Manage server-side infrastructure in Heroku and AWS.
  • Collaborate with other engineers on the team to design, build, and maintain above systems.
  • Instrument and maintain our production systems to ensure a reliable and observable production environment.
  • Apply technical expertise to investigate and resolve customer software issues related to LINK products.
  • Learning the finance domain in-depth, including: banking, insurance, e-commerce, credit cards and other types of financial institutions.
  • Remain up to date with the terminology, concepts and best practices for coding Web apps.
  • Communicate with our stakeholders to understand their needs and experiences, identify tasks, provide estimates and meet production deadlines.
  • Suggest and implement new solutions for our customers.
  • What we're looking for:

  • Ownership of our Web systems end to end.
  • Knowledge of Ruby on Rails, TypeScript and React.
  • Knowledge of Web API authentication schemes such as OpenID and OAuth.
  • In-depth understanding of how Web applications work end to end (HTTP, Web services, REST APIs).
  • Understanding general concepts of distributed systems (microservices, message queues, load balancing, caching, etc.).
  • Experience working with any public cloud provider, such as AWS or GCP is welcomed.
  • Experience integrating Web applications into native mobile applications (using WebView) is welcomed.
  • Ability to deliver complete work integrated with the larger system, with test coverage and documentation necessary to achieve high quality.
  • Strong analytical and problem-solving skills.
  • Ability to perform in a team environment.
  • Ability to learn new software and technologies quickly.
  • You always advocate for technical excellence and can suggest practical tradeoffs where required.
  • You will communicate in English on a daily basis. Proficiency in Japanese is welcomed, but not strictly required.
  • Engagement type
    Full time employment

    Reports to
    Engineering Manager



    Moneytree is a fin-tech start-up founded by three foreign entrepreneurs in Tokyo. Their Moneytree Link product provides a "utility layer for connecting financial services" that serves banks and other fin-tech companies, but they also have a popular consumer app that helps people manage their finances. They're a truly international company with an English-first environment and a high technical skill level for engineers, so it sounds like a really great place to work!

    View Moneytree's company page

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    Full-Stack Engineer (LINK Platform) at Moneytree
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