Responsibilities

• Test backend services within a REST-based microservice architecture supporting card and payment operations
• Validate transaction flows, including authorizations, captures, reversals, and refunds
• Verify back-office processes related to reconciliation, corrections, and operational workflows
• Perform manual and exploratory testing for new product features and system changes
• Execute regression testing during releases, infrastructure changes, and platform migrations
• Create and maintain test cases, checklists, and test documentation
• Analyze defects, document findings, and work with developers, analysts, and product managers to resolve issues
• Collect and analyze QA metrics to improve product quality and testing effectiveness
• Contribute to the automation of transaction flow testing at the API level as test coverage expands

Qualifications

• Experienc...