Responsibilities - Architect, design, and build our second generation hardware platform from concept to production - Own full system design including PCB layout, component selection, power management, and thermal management systems - Design and integrate thermoelectric cooling solutions with appropriate thermal control and monitoring - Develop cable assemblies and interconnect solutions for product reliability and manufacturability - Build robust, production-ready boards that can withstand real-world use and stress conditions - Establish hardware validation protocols including environmental stress testing, thermal cycling, and reliability testing - Work directly with overseas vendors and CMs for component sourcing, manufacturing, and quality control - Mentor and manage junior hardware engineers as the team grows - Ensure seamless integration between hardware, firmware, mobile apps, and backend services - Drive DFM (Design for Manufacturing) and cost optimization while maintaining quality standards Requirements - 5+ years designing and shipping consumer electronics products - Hands-on experience with Realtek and STM32 microcontrollers and their ecosystems - Expertise in WiFi/BLE integration and RF debugging - Strong background in power electronics design and thermal management systems - Specific experience with thermoelectric cooling (Peltier) design and control - Proven ability to design robust, reliable boards for high-volume consumer products - Experience working with overseas suppliers and CMs across the full product lifecycle - Experience mentoring junior engineers and building technical teams - Track record of conducting comprehensive stress testing (thermal, vibration, drop, EMC) - Strong plus: Firmware development experience (embedded C/C++, RTOS, driver development) - Strong plus: Has owned complete hardware products end-to-end from concept through mass production - Preferred: Experience taking consumer products through FCC/CE certification