Senior Automation Tester – Payments Platform

Unleash transformative automation — redefine payment excellence through innovative testing!

Krakow-based opportunity with hybrid work model (up to 3 remote days per week).

As a Senior Automation Tester – Payments Platform, you will be working for our client, a leader in the payment processing industry. You will play a pivotal role in designing, building, and maintaining automated test solutions that elevate the quality and reliability of payment systems. Your expertise will help deliver seamless, secure, and compliant payment journeys, supporting the evolution of global financial services.

Your main responsibilities:

• Build and maintain robust automated test frameworks using Java and industry-standard tools (UI, API, integration layers).
• Convert functional payment requirements into comprehensive automated test cases, covering end-to-end scenarios and edge cases.
• Automate testing for payment components such as credit transfers, direct debits, SWIFT/ISO 20022 messages, and payment gateways.
• Develop API and service-level automation leveraging REST/SOAP, including contract/schema validation.
• Validate payment processing rules, including cut-off times, value dates, charges, FX, sanctions screening, reversals, and exceptions.
• Implement test data strategies with synthetic data, masking, and data seeding; ensure transaction correlation across systems.
• Integrate automated tests into CI/CD pipelines to enable continuous testing, reporting, and quality control.
• Analyze failures efficiently and report defects with precise evidence for rapid resolution.
• Collaborate with cross-functional teams to define acceptance criteria and release readiness.
• Maintain comprehensive test documentation, dashboards, and metrics for automation coverage and execution.

You're ideal for this role if you have:

• 5+ years of experience in automation engineering, with strong Java proficiency, including OOP, design patterns, and clean code.
• Hands-on experience with automation frameworks such as JUnit/TestNG, Selenium/Playwright, REST Assured, Postman/Newman, and SoapUI.
• Familiarity with CI/CD tools like Jenkins, GitLab CI, or Azure DevOps.
• Deep understanding of test automation best practices: maintainability, parallel execution, environment resilience.
• Knowledge of payment processing concepts, including ISO20022, SWIFT, and local formats.
• Understanding of operational risk considerations, sanctions screening, auditability, and high availability requirements.

It is a strong plus if you have:

• Exposure to performance testing tools like JMeter or Gatling.
• Experience with containerization (Docker/Kubernetes).
• Knowledge of event-driven architectures (Kafka) and asynchronous processing.
• Test data management expertise.

Language required for the role:

• Fluent in English.

Eligibility to work on this role:

• Only candidates with an existing legal right to work in the European Union will be considered for this role.

#MAKEYourCareerBETTER

Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.