QA/Integration Test Engineer

Role Overview We are seeking a Senior QA Automation Engineer to own quality for event-driven, distributed systems. In this role you will design and maintain integration and contract testing, build Kafka-based test harnesses, enforce schema compatibility as a CI gate, and drive failure-mode and resilience testing across a heterogeneous data landscape. You will be responsible for embedding automated test gating directly into the CI/CD pipeline so that quality is validated continuously and early. Design and maintain integration and contract testing for event-driven, distributed systems. Build and enforce schema compatibility testing against a schema registry as part of a CI gate. Develop and maintain Kafka producer/consumer test harnesses. Own and evolve Docker Compose-based test environments. Build and maintain automated test frameworks and API test suites. Manage test data across multiple, heterogeneous data stores. Design and execute failure-mode and resilience testing, including idempotency, retries, and conflict resolution. Integrate automated tests into CI/CD pipelines for test gating. Testing & Automation Integration and contract testing for event-driven, distributed systems. Automated test frameworks: xUnit/NUnit, and an API testing tool (Postman or equivalent). Kafka producer/consumer test harness development. Event Streaming & Schema Management Schema compatibility testing against a schema registry, as part of a CI gate. Test Environments & Data Docker Compose-based test environment ownership. Test data management across multiple, heterogeneous data stores. Resilience & CI/CD Failure-mode and resilience testing (idempotency, retries, conflict resolution). CI/CD pipeline integration for test gating. Apache Avro. Azure DevOps. SQL Server, MongoDB/Cosmos, and MariaDB. AI-augmented test generation/maintenance tooling. Chaos-engineering or fault-injection tooling.