Backend QA Engineer

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Description

Accountabilities: - Analyze business requirements, functional specifications, and user stories to design comprehensive test cases, scenarios, and validation strategies. - Perform end-to-end testing of transaction lifecycles, including initiation, authorization, settlement, and reconciliation, ensuring accuracy and consistency across the platform. - Proactively explore the system to identify edge cases, unexpected behaviors, potential risks, and defects that may not be covered by documented requirements. - Develop, maintain, and improve automated regression test suites using TypeScript and Playwright, prioritizing critical business workflows and high-risk functionality. - Automate API testing and validate REST and gRPC endpoints using tools such as Postman, grpcurl, or equivalent solutions. - Test event-driven architectures and message-based workflows involving technologies such as Kafka, RabbitMQ, or NATS, including retry mechanisms, duplicate message handling, and failure scenarios. - Execute regression testing following deployments, combining automated and manual testing wherever automation coverage remains incomplete. - Document, report, and track defects in Jira, providing clear reproduction steps, relevant request payloads, service logs, and supporting evidence. - Validate data consistency across backend services using SQL queries and database checks when necessary. - Collaborate with backend developers and other stakeholders to investigate defects, verify fixes, improve

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