Automation QA Engineer

Requirements

• Experience automating batch jobs
• Experience in QA of legacy systems (e.g., CORBA)
• Experience in QA of mission-critical systems
• Experience in QA in the financial services, payment, and credit card industries
• Experience using container environments such as Docker/Kubernetes
• Experience with performance testing tools such as JMeter and Gatling
• Experience using QA management tools (e.g., Zephyr, TestRail, TestLink)
• QA-related certifications such as ISTQB
• Business-level Japanese language skills (preferably)
• Ideal Candidate Profile
• Able to balance automated testing skills with manual test design and verification capabilities
• Able to lead overall product quality improvement
• Attention to detail and a focus on user experience
• Able to work independently in a global and diverse team environment
• Passionate about building the quality foundation for PayPay Card
• Working Conditions
• Employment Status
• Full Time
• Office Location
• Hybrid Workstyle (flexible working style including Remote and office)
• ※ You will be expected to work both in the office and remotely, in alignment with organizational guidelines and team objectives.
• LIFE in JAPAN FACTBOOK
• Work Hours
• Full Flex Time (No Core Time)
• In principle, 9:00am ~ 5:45pm (actual working hours: 7h45m + 1h break)
• Holidays
• Every Sat/Sun/National holidays (In Japan)/New Year's break/Company-designated Special days
• Paid leave
• Annual leave (up to 14 days in the first year, granted proportionally according to the month of employment. Can be used from the date of hire)
• Personal leave (5 days each year, granted proportionally according to the mon

Benefits

Additional Information

About PayPay Card PayPay Card Corporation was established in 2021 to provide users a FinTech service that is more accessible and convenient compared to previous credit cards and credit services, by integrating with the PayPay payment platform, which has surpassed 70 million users since its launch (as of July 2025). We are looking for people who are passionate about refining our products at an overwhelming speed that other companies cannot match, as well as professionals who are interested in promoting the spread of cashless payments in Japan and the use of these payments as a financial life platform. Let us work together to create new value for users. ※ Please note that you cannot apply or be selected in parallel with PayPay Corporation, PayPay Card Corporation and PayPay Securities Corporation. Job Description At PayPay Card, we prioritize product quality to provide a seamless, safe, and secure financial experience to millions of users. We are seeking a full-stack QA engineer who can perform both manual and automated testing in the role of SDET. This position requires an individual who is strong in automating backend services, APIs, and microservices, while also being flexible in manual testing such as exploratory testing and usability verification.You will contribute to improving the quality of the entire PayPay Card system by formulating quality strategies, improving QA processes, and mentoring the team. Main Responsibilities Automated Testing Design, develop, and operate test automation frameworks for batch processing, backend services, APIs (REST/gRPC), and microservices Build automated regression and functional test suites Integrate automated tests into CI/CD pipelines (GitLab, Jenkins, Gradle) Verify distributed architectures using mock/stub strategies Promote modernization of test strategies for legacy systems (e.g., CORBA) Implement logging, debugging, and reporting (Allure, SLF4J, etc.) Manual Testing Plan, design, execute, and sign-off tests for complex functions in the credit card lifecycle Detect usability and functional defects through exploratory testing Ensure and improve quality through specification reviews and quality improvement activities Promote quality improvements in collaboration with developers, product managers, and designers Process Improvement / Collaboration Standardizing QA best practices and expanding them throughout the organization Proposing the introduction of new QA tools and frameworks Mentoring and guidance for junior QA engineers Analyzing defects and production issues, identifying root causes, and developing preventative measures Required Qualifications 5+ years of experience in QA or test automation Development/automation skills in object-oriented languages, primarily Java Experience with backend/API automation (REST Assured, gRPC, etc.) Experience using test frameworks such as JUnit, TestNG, and AssertJ Experience using CI/CD tools (GitLab, Jenkins, Gradle, etc.) Experience using mocking frameworks such as Mockito Experience with automation using scripting languages (Python, Shell, etc.) Deep understanding of QA processes, test planning and design methods, and bug management processes Experience working in an agile development environment ※Please note that you will have a coding challenge during the QA selection process.

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