1. Job Description
We are seeking a part-time electronics engineer (individual or company) with a strong background in hardware and firmware development to support our Smart Sensor and Communication Gateway program. The ideal candidate will help us diagnose issues, evaluate existing designs, and optimize performance, particularly focusing on LoRaWAN communication protocols.
我们正在寻找一位兼职电子工程师（个人或咨询公司皆可），协助我们开发与优化智能传感器和通信网关项目。理想人选需具备硬件设计与固件开发经验，能够对现有设计进行故障诊断、性能评估与优化，重点是LoRaWAN通讯协议的集成与调试。

2. Key Responsibilities
（1）Diagnose and debug hardware and firmware issues in smart sensors and communication gateways
（2）Evaluate existing board design, circuitry, and firmware code
（3）Propose and implement improvements in design, performance, and reliability
（4）Integrate and optimize LoRaWAN communication protocols
Collaborate with our internal engineering and product teams (remote OK)
2. 主要职责
（1）诊断与调试智能传感器和通信网关中的硬件与固件问题
（2）评估现有电路板设计、电路结构及固件代码
（3）提出并实施优化设计、性能及稳定性的方案
（4）集成并优化LoRaWAN通信协议
（5）与我们内部的工程与产品团队合作（可远程办公）


3. Requirements
（1）Degree in Electronics, Embedded Systems, or related field
（2）Experience with sensor interface design, PCB layout, and embedded firmware (C/C++/STM32/ESP32 etc.)
（3）Familiarity with LoRa/LoRaWAN stack and IoT communication protocols
（4）Strong problem-solving and diagnostic skills
（5）Ability to work independently with minimal supervision
3. 任职要求
（1）电子工程、嵌入式系统或相关专业学历
（2）具备传感器接口设计、电路板布局及嵌入式固件（C/C++/STM32/ESP32等）开发经验
（3）熟悉LoRa/LoRaWAN协议栈及物联网通信协议
（4）较强的问题分析与解决能力
（5）能够独立完成任务，具有自驱力

4. Working Conditions
Part-time / project-based, flexible hours.
Remote work preferred, occasional onsite meetings (if in Shenzhen).
Start immediately.
4. 工作安排
兼职 / 项目制，工作时间灵活；
可远程工作，如在深圳可偶尔线下面谈；
可立即开始工作。