1.  Be proficient at design tools JLCEDA or KiCAD, skillful at designing PCB with more than 2 layers. 

2.  Skillful at using designing software JLCEDA or KiCAD. 

3.  Familiar with electronic components and sensors, with high levels of soldering skill for welding SMT components, can debug the multi-layer circuit board independently. 

4.  Master C/C++, familiarity with Linux embedded and cross-compilation environment, familiar with the Keil development environment. 

5.  Familiar with MCU such as 8051 & TI, ect. Knows communication protocols of Ethernet, ZIGBEE and WiFi, understand hardware interface of SPI,Uart, RS485, USB and I2C, ect. 

6.  Priority will be granted to whom with development experience at measuring instruments and meters, smart home or security products.

1.Graduated from electronics or related major, knows some electrical knowledge

2.with capability of testing and product assembly independently

3.Diligent, hard working, master welding technology is preferred