Senior Software Engineer - QA Platform Development (Remote)

About the Role

We are seeking a Senior Software Engineer - QA Platform Development to join our global team. This role offers the opportunity to work remotely while contributing to a cutting-edge QA platform that enhances software quality and test automation.

What You'll Do

• Design and develop a robust testing platform and automation framework for web and mobile applications (Android & iOS).
• Automate end-to-end test scenarios to verify critical user flows and system functionality.
• Ensure scalability and reliability through load, performance, and cross-platform testing.
• Execute manual tests for complex scenarios where automation is challenging.
• Maintain clear and comprehensive test documentation.
• Integrate automated tests into the CI/CD pipeline and collaborate with the engineering team.

Requirements

• 5+ years of hands-on experience in B2B software development.
• Strong coding skills in TypeScript and Python.
• Excellent debugging, analysis, and problem-solving abilities.
• Interest in test automation and creative thinking to solve testing challenges.
• Business-level English communication skills.

Nice to Have

• Experience with automation tools such as Selenium, Appium, Playwright, and Espresso.
• Experience implementing automated end-to-end (E2E) testing frameworks.
• Knowledge of API testing tools like Postman, RestAssured, and gRPC.
• Experience with performance/load testing tools like JMeter, Locust, and LoadRunner.
• Experience working with modern frontend stacks like React.
• Experience applying AI/ML technologies in testing.
• Proficiency with web communication protocols like gRPC, OAuth2, and OIDC.
• Infrastructure experience with Kubernetes, Docker, CI/CD, and cloud platforms.

What We Offer

• Flextime system with remote work allowance (5,000 yen/month).
• Employee stock ownership plan (company matches purchase of up to 10% of paycheck).
• Skill development support and language learning support (120,000 yen/year).
• New tech gear and book purchasing support.
• Commuter allowance and comprehensive health and social insurance.
• Parental leave and relocation support with visa sponsorship to Japan.
• 20 days of paid leave, 5 days of proactive personal leave, and 5 days of family care/personal sick leave.
• Two days off per week (Saturday and Sunday) along with public holidays in Japan.