We are looking for a full-time electronical engineer with strong experience on embedded system programming, schematic and PCB design, and RF. The projects are mostly around RF based communication and camera based IoT applications running on battery-powered devices. It uses ESP32, STM32, various camera chipsets based on RTOS or Linux, LoRa, Wi-Fi, and BLE. Experience with PCB design and MCU driver programming is essential to the projects. You are not required to do RF design, but you are expected to implement RF devices.