.NET Developer (Contract, PLC integration, C#, MVVM, WPF, Central) #IRT

Responsibilities

• Develop and maintain Windows desktop applications using C#, .NET, WPF and MVVM .
• Develop communication modules to read and write data from industrial PLCs.
• Connect to PLC platforms such as Mitsubishi, Omron, Siemens and Beckhoff.
• Map PLC registers, tags and data points to application objects and user interfaces.
• Retrieve machine status, alarms, production counts, recipes and process parameters from PLCs.
• Write commands, parameters or control values to PLCs where required and authorized.
• Implement reliable polling, event handling, reconnection, timeout and communication error recovery.
• Integrate PLC data with databases , MES, EAP, SCADA or other factory systems.
• Develop equipment monitoring applications using PLCs, sensors and industrial devices.
• Review existing PLC programs to locate relevant registers, tags and machine signals.
• Troubleshoot software-to-PLC communication , data mapping and network issues.
• Support system testing, commissioning, deployment and customer-site activities.
• Prepare PLC data maps , interface specifications and technical documentation.
• Mandatory Requirements
• Hands-on professional experience developing applications using C# and.NET.
• Hands-on experience developing Windows desktop applications using WPF and MVVM.
• Practical experience connecting C# applications to PLCs for reading and writing data.
• Experience with at least 2 PLC brands, preferably Mitsubishi, Omron, Siemens or Beckhoff.
• Familiarity with PLC registers, tags, data blocks, memory areas and data types.
• Experience with one or more PLC communication methods such as MC Protocol, SLMP, FINS, S7, ADS, OPC UA or Modbus TCP.
• Able to diagnose PLC connectivity, addressing, byte-order, data-conversion and communication issues.
• Able to understand existing PLC programs sufficiently to identify the data required for software integration.
• Added Advantages:
• Experience with WinForms, Windows Services, TCP/IP sockets, REST APIs or databases.
• Experience integrating equipment with MES, EAP, SCADA, SPC or custom factory systems.
• Experience developing industrial monitoring systems using sensors and other devices.
• Experience in semiconductor equipment, manufacturing automation or machine integration.
• Knowledge of SECS/GEM or GEM300.
• Interested applicants please send your resume to rita@recruitexpress.com.sg and look for:
• Rita Shi Tianhe
• Recruit Express Pte Ltd
• EA License No: 99C4599
• EA Personnel Number: R26162019
• We regret that only shortlisted candidates will be contacted.

Additional Information

We are hiring under Recruit Express headcount, and the details of this position are: Job title: .NET Developer (Contract, PLC integration, C#, MVVM, WPF, Central)

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