Perform functional, integration, regression, and end-to-end testing for SEPA payment applications. Validate SEPA Credit Transfer (SCT), SEPA Instant Credit Transfer (SCT Inst), and SEPA Direct Debit (SDD) payment flows. Analyze business and functional requirements and prepare test scenarios, test cases, and test data. Develop and maintain automation test scripts using Selenium, Java, or other automation tools. Execute automated and manual test cases and analyze results. Validate ISO 20022 XML message formats and payment file processing. Perform API testing using tools like Postman or REST Assured.