QA Engineer in Katowice

payabl. empowers businesses to grow through payments innovation and banking services. Our ambition is to expand our strong portfolio of global financial services we provide to businesses and make them all available in one place on our platform we call payabl.one. As a licensed financial company with principal membership with card schemes, we specialize in global payments and providing businesses with multi-currency accounts.

We are looking for an experienced QA Engineer to join our Banking team and help establish and strengthen dedicated QA practices within the team. As a QA Engineer - Banking, you will help ensure the quality and reliability of our Core Banking and Payment platforms. You will work across automated and manual testing, with a strong focus on API, backend, integration, and transaction flows. This is a hands-on QA Automation role where you will help identify issues early, improve test coverage, and make sure our banking services are stable, reliable, and ready for our customers.

What you will do:

• Perform end-to-end functional, integration, regression, and system testing for Core Banking and Payment platforms.
• Build and maintain automated tests using Python (PyTest) and end-to-end browser automation tools such as Cypress and Playwright.
• Create and execute test cases based on new feature implementations.
• Participate in refinement sessions and provide QA input early in the development lifecycle.
• Prepare detailed test plans, test scenarios, test cases, test data, and coverage.
• Perform API and backend testing, ensuring correct system behaviour and data integrity.
• Conduct manual testing when needed to ensure full test coverage.
• Analyse logs and system flows to identify issues and understand root causes.
• Identify, document, and track defects with clear evidence and reproducible steps.
• Collaborate closely with engineering and product teams to improve quality and delivery.
• Contribute to delivering stable and reliable software in a complex banking environment.

What we need:

• 3+ years of QA automation experience.
• Strong hands-on experience with: Python, PyTest, Cypress, Playwright.
• Strong experience in functional and integration testing.
• Experience with API and backend testing.
• Experience testing payment or transaction flows and validating system behaviour and data integrity.
• Good understanding of payment processing, balances, and transaction data.
• Ability to design and structure clear, maintainable test cases.
• Strong debugging skills, including working with logs and system behaviour.
• Good communication skills and the ability to explain technical topics clearly.
• Comfortable working in fast-paced, evolving environments.

Nice to have:

• Experience in Core Banking, Payments, FinTech, or e-commerce platforms.
• Experience with EUR and/or GBP payment flows.
• Understanding of ledger and balance management.
• Experience with transaction flows or distributed systems.
• Exposure to cloud-based environments or microservices architectures.
• Familiarity with CI/CD pipelines and Git.

The perks of being a payabl.er:

• Grow with Us: Annual Learning Budget for professional development (eligible after probation) - because your growth is our growth.
• Celebrate Together: We bring colleagues from all offices together for unforgettable company celebrations.
• Global Collaboration & Events: Opportunities to participate in international company events and initiatives, connecting with colleagues from all regions and contributing to a truly global team.