Fullstack Engineer

  • Remote OK - Worldwide
  • Full-time
  • December 13, 2022
Conditions
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¥6M ~ ¥8M /yr
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Apply from Anywhere 👍
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Relocation to Japan 👍
(Overseas visa sponsorship supported)
Requirements
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Language Requirements
Japanese: Not Required 👍
English: Business Level
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Minimum Experience
Mid-level or above

About the position

We are looking for engineers comfortable working with the full-stack. You will primarily work with Ruby, building out features using Ruby on Rails and Typescript with Vue.js. As our platform is growing rapidly, you will help us build our platform to handle payments on a global scale.


As an engineer you will work collaboratively with the team, to define features and architectures, and then implement them in code. You will also provide constructive feedback through code reviews, as well as architect discussions.


Our ideal candidate has experience working with large web applications. They will know how to build reliable, scalable, and performant web applications. Testing and code quality are also extremely important to us, so having a strong knowledge of testing and the different testing types is required.


Responsibilities

  • Support team members through code review and architecture discussions

  • Write tests that validate the stability and correctness of implementations

  • Handle refactorings with both bravery and care


Requirements

  • Experience with building performant and scalable APIs, including DB performance

  • Experience with integrating with third party APIs in a secure and fault tolerant manner

  • Strong understanding of OOP programming languages and patterns


Salary

6,000,000 - 8,000,000 yen / year

Includes (rough estimate of) profit share. Based on experience and skill level


KOMOJU (by Degica) is the leading cross-border payment gateway for Japan.

KOMOJU powers payments for leading companies, including the video game distribution platform Steam and the popular mobile app TikTok. Today, the company supports thousands of merchants by providing robust payment infrastructure—ranging from developer-friendly APIs to integrations with widely-used platforms like Shopify and Wix—enabling businesses to scale effectively in new markets.

In terms of engineering, KOMOJU fosters a developer-centric and inclusive culture. The team is committed to continuous improvement through regular self-evaluation and values individuality, recognizing the unique strengths that each engineer brings to the organization.

As KOMOJU grows, its development processes evolve accordingly. The engineering culture is largely self-organizing, with each engineer enjoying significant ownership over their projects. This environment empowers engineers to showcase their strengths while continuing to develop professionally.

KOMOJU's policies during COVID-19 are as follows:

  • During COVID-19 all of their members are working from home 100% of the time (previously they allowed up to one day a week).
  • Their current plan is to continue their full remote policy even after COVID-19 is no longer a concern.
  • They’re able to accept applications from overseas, but you may need to work abroad until it’s possible to move to Japan.
View KOMOJU's company page

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Fullstack Engineer at KOMOJU
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