【Engineering Dept.】Backend Engineer, Fintech


Backend Engineer, Fintech


About us

WealthPark is a startup IT venture to provide asset management and management platform application.
Currently, we are taking on the challenge of “visualization” of non-liquid assets in the real estate industry, which is one of the alternative assets.

WealthPark closed JPY 540 million in Series A financing in May 2019, JPY 907 million in Series B in August 2020, and JPY 2.5 billion from JIC Venture Growth Investments, bringing the total amount raised to JPY 4.398 billion.


Blog – about the Engineering team and technology stack at WealthPark

Employee interview






Employee Interview of Engineering Department

Employee interview – Mobile Team (in JP)

Employee interview – QA Team (in EN)

Employee interview – Backend Team (in EN)




WealthPark’s mission is to build an alternative asset platform through innovation and entrepreneurship and ownership.



Job Description

WealthPark is looking for a backend engineer who can accelerate architecture replacement with high ownership. WealthPark is providing SaaS business for over 3 years.
We have some core legacy products. We are planning architecture replacement from a monolith to a microservice basis.

・ Development of server-side in collaboration with each team (product manager, designer, backend, frontend engineer)
・ Develop new features and architecture through Design Sprint and Event Storming.
・ Maintenance and improvement of existing products (mainly PHP (Monolith) / Ruby (API))
・ Develop new APIs and improve the architecture using Golang and node.js



Required Requirements

Technical Skills / Experiences
・ 4+ years of experience in development in Golang / Ruby / Python / PHP / Node.js (*1)
・ Experience in a fintech-related role
・ Proactive understanding of the business domain / basic understanding of DDD (Domain Driven Development) (*2)
・ Ability to take the initiative in researching and code reading for products written in Ruby, PHP, and Python as needed
(*1)  A minimum of 4 years of experience in any one or a combination of the above
(*2)  In addition to development, we are looking for who are interested in business and services.

・ English skills (we are the international team from over 10 countries and regions, and all communication is in English)
・ Highly organized person
・ Have motivation for team development
・ Be able to weigh several and often conflicting constraints and make decisions in a fast-moving and quickly-growing company
・ Continuously learn new technologies and find ways to solve issues and requirements


Preferable Requirements

・ Experiences of using NoSQL such as MongoDB.
・ Experience running and maintaining a variety of cloud infrastructure especially AWS.
・ Experience with container, orchestration tooling such as Docker, Kubernetes.
・ Deep understanding of OAuth and open id connect.
・ Experience in API development in Golang

・ Experience in the financial industry.
・ To read/speak Japanese (Not mandatory).



Salary and Evaluation system
It will be decided in consideration of experience and skills.
・Annual salary system
・Evaluation: twice a year
・Probation time: 3 months (conditions do not change during the probation time)
・The annual salary includes 35 hours of overtime work

・Social insurance (Health insurance, Employee pension, Employment insurance)



Working hours

* flextime system (core time 11:00 to 16:00)



Holiday and leave

・Saturday and Sunday
・Public holiday
・Refresh holiday
・New-year / Year-end holiday
・Annual paid leave
・Celebratory leave
・Special holidays
・Postnatal leave
・Parental leave



Welfare and other

・Welcome lunch (with CEO, with Division and Department)
・Welcome drinking
・Internal events (Year-end party etc.)
・Free drink (Water server and instant coffee and tea)
・Installation of vending machines

・PC: MacBook Pro + 1 Monitor *Monitor can only be used in the office
・No smoking in the office
・Until COVID-19 is settled and we’re ready to issue visas, you can start working remotely from abroad