About the RoleWe are seeking a versatile QA Engineer to bridge the gap between our cutting-edge EEG hardware and our software ecosystem. In this role, you will be the gatekeeper of quality, ensuring that our biomedical devices, firmware, and user-facing applications function seamlessly together. You will collaborate closely with the Hardware and Software teams to design test strategies, debug complex integration issues, and validate performance from the circuit board level up to the application layer.Key Responsibilities- Design, develop, and maintain comprehensive test plans and test cases that cover the full product lifecycle: Hardware, Firmware, and Software.- Perform functional, regression, stress, and system integration testing on EEG headsets and supporting software.- Validate hardware performance (signal quality, battery life, connectivity) and firmware stability under various conditions.- Execute robust connectivity testing (Bluetooth/BLE, USB) to ensure reliable data transmission between devices and host applications.- Identify, document, and track defects using bug-tracking tools (e.g., JIRA), and contribute to automated testing frameworks (Python/scripting).