It Software Engineer jobs in South Africa

Role Overview
As a Senior C# Developer, you will be at the heart of digital transformation in our mill operations supporting the integration of industrial systems, optimising manufacturing workflows, and automating data solutions. You will be responsible for designing, developing, and maintaining robust backend systems using C# and .NET technologies in a fast-paced industrial IT environment.

Responsibilities

• Design, develop, and maintain scalable C# and .NET-based applications to support mill operations and enterprise functions.
• Collaborate closely with engineering, operations, and IT teams to understand industrial process requirements.
• Integrate software with industrial systems such as SCADA, PLC interfaces, MES, and ERP platforms (e.g., SAP).
• Build APIs and data pipelines to support real-time and historical data tracking from manufacturing processes.
• Participate in architectural decisions and refactoring initiatives to modernise legacy systems.
• Mentor junior developers and contribute to code reviews, best practices, and technical leadership.
• Ensure cybersecurity and compliance with IT governance and data integrity standards.
  
  

Qualifications

• Bachelors degree in Computer Science, Engineering, or related discipline.
• 6+ years of experience in C#/.NET development, preferably in a manufacturing, logistics, or industrial automation setting.
• Strong understanding of industrial environments and operational technologies (OT).
• Experience working with ERP and MES integrations (SAP highly preferred).
• Proven experience with system integrations, RESTful APIs, and secure coding practices.
• Experience in cloud-based architectures (Azure preferred).
• Solid knowledge of relational databases and writing complex SQL queries.
• Familiarity with industrial protocols and control systems is a strong advantage.
  
  

Tech Stack Required

• C#, .NET 6+, ASP.NET Core, Entity Framework
• Microservices, REST APIs, Azure Cloud Services
• SQL Server, PostgreSQL, Time-series DBs (e.g., InfluxDB)
• Git, Azure DevOps, CI/CD pipelines
• Visual Studio, Docker, Kubernetes (advantageous)
• OPC UA, MQTT, SAP connectors, Azure IoT Hub
• Agile/Scrum, DevSecOps, SDLC