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AI Summary
What you'll be responsible for
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
What we need
Experience testing backend systems and REST APIs
Confident use of Postman or similar API testing tools
Experience working with PostgreSQL, including writing queries and validating stored data
Experience working with Kafka, including event validation, topic analysis, and contract verification
Understanding of card processing and payment flows, including authorization, hold, capture, reversal, and chargeback processes
Ability to read and understand code written in Java, Kotlin, JavaScript, or similar languages
Strong understanding of software testing principles, defect investigation, and test design techniques
Good to have
Experience testing financial products, payment platforms, or card-processing systems
Experience with automated or load testing
Familiarity with GitLab CI, CI/CD pipelines, Allure, or similar reporting tools
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