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Automation QA Engineer at PayPay Card in 日本 | Swiftcruit
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.
Preferred Qualifications
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.
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 month of employment)
＊PayPay Group's own special paid leave system, which can be used to attend to illnesses, injuries, hospital visits, etc., of the employee, family members, pets, etc.
Salary
Annual salary paid in 12 installments (monthly)
Reviewed once a year
Overtime allowance, Late overtime allowance, Commuting and transportation expenses
Benefits
Social Insurance (health insurance, employee pension, employment insurance and compensation insurance)
