Software Engineer – Factory Automation

Gemini Personnel • Hong Kong, Hong Kong Island • Posted June 18, 2026

About the Role

Introduction:

Our client is an innovative technology company delivering automation, system integration, and digitalization solutions for industrial and manufacturing sectors. As part of their continued growth, they are looking for a Software Engineer – Factory Automation to support the development and deployment of advanced automation solutions.

Responsibilities:

  • Connect C#/.NET applications to PLC-controlled equipment to read and write machine data, including equipment status, alarms, recipes, production counts, process parameters, control commands, and machine states.
  • Develop reliable real-time communication interfaces between software applications and PLC systems using industrial protocols such as Modbus TCP, OPC UA, Beckhoff ADS, Mitsubishi MC Protocol or SLMP, Omron FINS, Siemens communication protocols, Ethernet/IP, TCP/IP sockets, serial communication, or vendor-specific APIs.
  • Design, develop, and mai...