Senior C# Developer

NTT Data; Richards Bay; On-site; ZAR 600,000 - 900,000; Full time

Job summary

Join NTT Data as a Senior C# Developer, playing a critical role in digital transformation within mill operations. You will design and optimize backend systems using C# and .NET technologies, collaborating closely with cross-functional teams to integrate industrial systems and enhance manufacturing workflows. Your expertise will ensure robust data solutions and improve operational efficiencies in a dynamic IT environment.

Qualifications

• 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).

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.

Skills

C#

.NET

RESTful APIs

SQL

Agile/Scrum

Education

Bachelors degree in Computer Science, Engineering, or related discipline

Tools

ASP.NET Core

Entity Framework

Azure

SQL Server

PostgreSQL

Docker

Kubernetes

Job description

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