The role focuses on testing complete data and command flows from TCU, cloud backend, mobile apps, and third-party services. Key responsibilities: Validate end-to-end use cases: telemetry, remote commands, alerts, OTA updates Test API integrations (REST/GraphQL, MQTT) between TCU, cloud, and mobile apps Perform mobile app integration testing (Android & iOS) Validate OTA workflows, version compatibility, and failure scenarios Execute integration, regression, and basic non-functional tests Collaborate with backend, mobile, and DevOps teams for release sign-off. Required Skills: 3–8 years of experience in integration/system testing in connected vehicle domain