Job ID : 1137270 Date Updated : April 8th, 2021
No Japanese required

[No Japanese required]Backend engineer/PHP or Ruby *Telework

Location Tokyo - 23 Wards, Shibuya-ku
Job Type Permanent Full-time
Salary 6.5 million yen ~ 8.5 million yen

Job Description

Job Description

We are looking for a backend engineer who has a high degree of ownership and can accelerate the rear architect.
We have been providing SaaS for over 3 years.
Among them, we have some legacy products that are the core of our business.
We are currently in the process of needing an architectural replacement from monoliths to microservices.

There are two main expectations for this position.

1) Support for legacy products (PHP / Ruby)
Maintaining and replacing legacy products requires persevering effort.
The documentation may be incomplete or the engineer may need to dig deeper into the code to resolve the issue.
We are looking for people who can spare no effort and be patient with the product.
To be clear, we never downplay such efforts.
We know that we have legacy products that are at the core of our business, and that our business is running properly.

2) Always learning new technologies (e.g golang) and constantly finding ways to solve problems and requirements.
WealthPark, on the other hand, went from legacy to modern to expand its business and realize its mission.
I would like to rebuild the architecture.
We look forward to those who understand existing products, but are constantly learning new technologies and finding ways to solve their challenges and requirements in order to contribute to the new architecture.
The programming language will be mainly golang.
However, we are a very flat organization / team.
Therefore, you are free to propose architectures and technology stacks.

If you can meet the above two expectations, or if you find it attractive, please improve our architecture.
I would like you to get involved.

[What I want you to do]
・ Think about strategies to realize our Vision and Mission, and work on the realization as a team.
-Brainstorming with product managers, designers, backends, and frontend engineers, Design Sprint, and Event Storming to build new functions and architectures.
-Maintenance and improvement of existing products (mainly PHP (Monolith) and Ruby (API)).
-Develop new APIs using Go, node.js, etc. and improve the architecture.

It is a lively environment where not only Japanese but also English, Mandarin, Cantonese, etc. are spoken.
The engineering department does not care about Japanese and has an English environment.

General Requirements

Minimum Experience Level Over 3 years
Career Level Mid Career
Minimum English Level Business Level (Amount Used: English Only)
Minimum Japanese Level None
Other Language Chinese (Mandarin)
It is a workplace where Japanese, Chinese and English are mixed.
Minimum Education Level Technical/Vocational College
Visa Status Permission to work in Japan required

Required Skills

[Required skills and experience]
Technology, experience skills
・ 3 years or more of PHP or Ruby development experience or equivalent or higher skills
・ Framework development experience with PHP (Symphony) or Ruby or Python (Flask)
・ Those who have experience in developing Web API
・ Web API interface design experience
・ Experience in designing RDB tables and queries
・ Experience using CI / CD tools such as Jenkins
・ Willingness to continuously learn new technologies such as Golang

Soft skills
・ Those who like to develop in an organization or team
・ Those who can make decisions by weighing some conflicting constraints in a fast-moving, fast-growing company
・ Those who can continuously learn new technologies and find ways to solve problems and requirements
・ English skills (those who want to improve their English skills through work even if their current English is not perfect)
❝ It's okay if you don't mind speaking in English. If you are uneasy, feel free to check during casual talks and interviews!

[Welcome skills and experience]
・ Development experience in Golang
・ Experience using nosql such as MongoDB
・ Experience in operation and maintenance of various cloud infrastructures centered on AWS
・ Experience using orchestration tools such as containers, Docker, and Kubernetes
・ Those who have a deep understanding of OAuth and open id connect

[Personal image you want]
・ Those who are motivated to create new businesses and have the ability to solve problems
・ Those who are interested in fintech, real estate tech companies, and the global work environment
・ Those who can work together as a team

Job Location

  • Tokyo - 23 Wards, Shibuya-ku
  • Yamanote Line, Ebisu Station

Work conditions

Job Type Permanent Full-time
Salary 6.5 million yen ~ 8.5 million yen
Work Hours 8 hour work*Flextime system(core time 11:00-16:00) 60 min break
Holidays Sat, Sun, national holyday Summer&Winter vacation paid holiday..

Hiring Company Information

Company Type Small/Medium Company (300 employees or less)
Non-Japanese Ratio About half Japanese
Recruiter Company Information

j Career Co.,Ltd.

[No Japanese required]Backend engineer/PHP or Ruby *Telework - 1137270

Company Description

Remembering our Gratitude

For foreigners who chose to come to Japan

We express our gratitude towards international stdents who chose Japan as their destination of studying abroad by founding this company, with the primary purpose of providing international students and foreigners in Japan with the assistance they need to seize their happiness. In doing so, we hope to contribute to the Japanese society as well as the international community. Due to corporate globalization in recent years, some Japanese companies have adopted English as their official language. However, recruiting in Japan is still possesses unique customes thus presents a challenge to foreigners who are not familiar with it. At j Career, we are dedicated to help foreigners in overcoming such difficulties and support their endeavor in attaining a happy life in Japan.

We set up a job searching website called with the intention to help international students utilize their knowledge and expertise they learned and apply that in their job hunting. We also help people who are working with making a career switch.