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Salary
$13k – $51k per year (Estimated)
Location
Remote/Hybrid (Tokyo, Japan)
Seniority
Junior · 2+ years exp
Employment
Full-Time
Overview
Company
Impact
Profile match
Accept global payments on your website with KOMOJU, in just a few clicks. KOMOJU is the payment gateway of choice for merchants worldwide.

We are looking for passionate Platform Quality Engineer to join KOMOJU’s growing QA team. In this hybrid role, you will contribute to both automated and manual testing efforts to ensure the reliability, functionality, and performance of our payment systems.

As an Platform Quality Engineer, you will help shape and drive QA processes from the ground up. You will be working cross-functionally with engineers, product managers, and business stakeholders to define and measure quality at every level of our stack. This is a great opportunity for someone who thrives in a collaborative environment and is eager to grow their technical and testing skills.

Responsibilities

  • Design, develop, and maintain automated test frameworks and tools to improve test coverage and reliability.
  • Execute and manage manual, exploratory, and regression testing for new features and releases.
  • Analyze system specifications and technical requirements to provide feedback and ensure testability.
  • Identify, document, and track bugs through resolution, contributing to improved product quality.
  • Support the team by building and maintaining CI/CD test pipelines and integrating automated tests into release workflows.
  • Collaborate with developers to ensure proper testing is done throughout the development lifecycle.
  • Participate in code reviews and test plan reviews.
  • Help establish quality processes and best practices across the engineering team.
  • Investigate and recommend tools or practices that help scale QA and improve team productivity.

Requirements

  • 2-5 years of experience in software testing, automation, or software development.
  • Proficient in at least one programming language (e.g., TypeScript, JavaScript, Python, or Ruby).
  • Hands-on experience with automated testing tools such as Playwright, Selenium, Capybara, or RSpec.
  • Strong understanding of testing methodologies including unit, integration, and E2E testing.
  • Experience writing and executing test plans and test cases, both automated and manual.
  • Familiarity with CI/CD pipelines and test automation integration.
  • Ability to work independently in ambiguous environments with a strong bias toward action.
  • Excellent communication and debugging skills.

Nice to haves

While not specifically required, tell us if you have any of the following.

  • Experience testing multilingual or mobile applications.
  • Familiarity with AWS, Datadog or performance testing.
  • Exposure to backend systems, APIs or infrastructure.
  • Experience working in Agile or fast-paced startup environments.
  • Open-source contributions.
  • Experience working with agile teams or in fast-paced startup environments.
  • Open-source contributions.
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