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