Senior QA Engineer – German C1 Preferred

Roles & Responsibilities Own end-to-end functional, regression, and exploratory testing across iOS and Android. Build and maintain automated test suites (Appium, XCUITest, Espresso) in CI/CD pipelines. Test API integrations and use network proxy tools (Charles Proxy, Wireshark) to diagnose issues Build test plans for onboarding, cognitive training/assessment flows, and subscription mechanics.