Industrial Software Engineer: PLC & Factory Connectivity

INSPHERE TECHNOLOGY PTE. LTD.; Singapore; On-site; SGD 75,000 - 135,000; Full time

Job summary

INSPHERE TECHNOLOGY PTE. LTD. seeks a Software Engineer to design and build C#/.NET applications for factory automation and equipment connectivity. You will connect to PLC-based equipment, collect data, and map signals for integration with MES, SCADA, and databases.

The role emphasizes learning new technologies, prototyping, and applying modern development approaches to industrial connectivity, with experience in MVVM and desktop UIs welcomed. Singapore-based, on-site work setup.

Qualifications

• Strong hands-on programming in C# and .NET.
• Experience with desktop apps using WPF or WinForms.
• Familiarity with MVVM and architectural patterns.
• Ability to design software beyond individual screens or functions.
• Experience working with APIs, services, databases, and application integration.

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.

Skills

C#/.NET

OO design

WPF/WinForms

MVVM

APIs/Services/Databases

Debugging

Learn new frameworks

Technical communication

Tools

Docker

Git

CI/CD

Job description

INSPHERE TECHNOLOGY PTE. LTD. seeks a Software Engineer to design and build C#/.NET applications for factory automation and equipment connectivity. You will connect to PLC-based equipment, collect data, and map signals for integration with MES, SCADA, and databases.

The role emphasizes learning new technologies, prototyping, and applying modern development approaches to industrial connectivity, with experience in MVVM and desktop UIs welcomed. Singapore-based, on-site work setup.