Sr. QA Engineer

Coupang
Tokyo, JapanPosted 26 March 2026

Job Description

Company Introduction Our corporate mission is to deliver a ‘wow experience’ to customers. Rocket Now launched a delivery platform with no delivery fees or service charges to ease the burden on customers who use the food delivery service. Rocket Now is deeply committed to pioneering the future of Japan’s delivery market. We aim to fundamentally transform the food delivery industry by building truly customer-first services. Rocket Now provides employees with opportunities to continuously lead innovation and to take initiative without hesitation based on agility and boldness to deliver results. If you are passionate about delivering exceptional service to customers and pioneering new markets, join Rocket Now today. Role Overview As a Sr. QA Engineer, you'll be responsible for designing, implementing, and executing comprehensive test plans to ensure the quality of our integrated domains. You will work closely with cross-functional teams (engineering, product management, design) to identify and prioritize testing needs. Your expertise in testing methodologies, experience working in agile environments, and knowledge of CI/CD pipelines will be invaluable in helping us deliver a seamless shopping experience across multiple domains. What You Will Do Design and Execute Test Plans: Develop comprehensive test plans including front-end, back-end, API integrations, system performance, and E2E testing. Collaborate with Cross-functional Teams: Work closely with engineering teams to identify testing needs, prioritize tests, and ensure that quality is integrated into each sprint. Test Automation: Design and implement automated test scripts using tools like Selenium, Appium, or TestNG to reduce manual testing effort and increase test coverage for multiple domains Manual Testing: Perform manual testing of the eCommerce platform to identify bugs and defects that might have been missed by automated tests. Report Defects: Document and report any flaws found during testing, ensuring clear steps to reproduce issues for developers. Test Data Management: Manage test data to ensure it's accurate, up-to-date, and suitable for testing the eCommerce platform across multiple domains. Quality Assurance: Ensure that all testing activities are aligned with company quality requirements and regulatory needs. Integrate Test Automation with CI/CD Pipeline: Integrate automated tests with our CI/CD pipeline to ensure seamless deployment of high-quality software products. E2E Testing: Perform E2E testing to simulate real-user scenarios, ensuring that the eCommerce platform functions correctly from login to checkout. Multiple Domain Testing: Test multiple domains integrated into the eCommerce platform, including payment gateways, shipping APIs, and inventory management. Basic Qualifications Bachelor's degree in Computer Science, Information Technology, or related field; Master is a plus 5+ years of experience in Quality Assurance Engineering (QA) Proven expertise in test automation frameworks like Selenium, Appium, TestNG, or Pytest. Experience in working with AI agents Strong understanding of testing methodologies such as Agile, Scrum, and Test-Driven Development (TDD) Excellent communication and collaboration skills to work with cross-functional teams Experience working with agile development methodologies, such as Scrum or Kanban Native level in Japanese and business level in English Preferred Qualifications Certification in Quality Engineering (e.g., JSTQB/ISTQB) 3+ years in e-commerce system and comprehensive scenario design. Experience with cloud platforms (AWS, Azure, GCP), containers (Docker), or microservices architecture Familiarity with DevOps tools like Jenkins, GitLab CI/CD, or CircleCI Globalization testing: Expertise in testing international eCommerce platforms, including language translations and cultural adaptations. Internationalization testing: Experience in testing eCommerce platforms for different countries’ regulatio ... (truncated, view full listing at source)
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