Software Engineer – Factory Automation & PLC Integration - Part-Time

Insphere Technologyis looking for a Software Engineer with hands-on experience in PLC systems,factory automation, and Windows-based software development using C#.

The role focuses onconnecting industrial equipment and legacy machines to factory systems byreading machine data from PLCs, understanding existing PLC programs, anddeveloping software interfaces for data collection, monitoring, and equipmentintegration.

This role is suitable for someone who can work across both PLC controls and software development, especially in projects involving equipment connectivity, data extraction, MES/EAP integration, and factory automation.

Responsibilities:

• Develop C#/.NET applications, Windows services, and integration modules for factory automation and equipment connectivity.
• Connect to PLC-based equipment to collect machine data, alarms, status, recipes, production counts, and process parameters.
• Review and understand existing PLC programs from legacy machines where permitted.
• Work with PLC platforms such as Mitsubishi, Omron, Siemens, Beckhoff, or equivalent systems.
• Map PLC registers, tags, I/O signals, alarms, and machine states for integration with factory systems.
• Develop communication interfaces using industrial protocols such as MC Protocol, SLMP, OPC UA, Modbus TCP, Ethernet/IP, ADS, FINS, TCP/IP, REST, or vendor-specific APIs.
• Integrate equipment data with MES, SPC, EAP, SCADA, historians, databases, or custom host systems.
• Build Windows desktop applications, backend services, and APIs for equipment communication and data processing.
• Troubleshoot PLC communication, software, network, database, and factory integration issues.
• Support testing, commissioning, deployment, documentation, and customer site support.
• Follow good engineering practices including code reviews, testing, source control, CI/CD, and AI-assisted development with proper validation.