Automation QA Engineer

PayPay Card· greenhouse· zveřejněno 10. 10. 2025
Nutné:PythonJavaGitDockerKubernetesBackendFullstackQA/TestAgileCI/CDMicroservicesFinTechLeadJuniorRemoteHybrid

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.

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.

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 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)

401K

Other Information

PayPay Inside-Out (Corporate Blog)

JP

ENG

Recruiting FACTBOOK for PayPay Card

JP