Develop and execute automated regression, functional, system, protocol, performance, and hardware-in-the-loop tests for embedded firmware and wireless devices. Build test harnesses and simulation tools using Python, Pytest, Robot Framework, and BDD frameworks. Validate MCU interfaces, BLE connectivity, firmware flashing, debugging, OTA updates, data exchange, and connection stability. Integrate testing with CI/CD pipelines, automate log parsing and reporting, and perform stress, soak, and power-consumption testing.