Senior C# Developer

Senior C# Developer
Interfront SOC Ltd.
2026/10/05 Pretoria

Job Reference Number: Recruit
267
Department: Systems Support (LUX)
Business Unit:
Industry: Information Technology
Job Type: Permanent
Positions Available: 1
Salary: Market Related The development of a public-facing website based on Microsoft products, including the development of API’s and message integration functionality. The development will be done using C# within the MS IDE to develop service-oriented MS .Net based applications. These applications integrate with various user channel solutions ranging from web, clients & batch users to mobile applications.

• Implementing code that can be reused on multiple platforms
• Breaking down complex issues into smaller manageable tasks
• Support existing and develop new functionality and components.
• Understand existing product and domain elements and work with business analysts to refine and implement new requirements.
• Refactor and improve the code to keep the product maintainable and adaptable to new requirements.
• Work effectively in a team environment and follow/develop product software development processes and standards.
• Evaluate and improve application performance, and high availability features.
• Create unit and integrated system tests to show that the developed functionality works as intended.
• Create technical documentation that explains how the various components of the system work and how to use them.
• Code reviews and quality assurance
• Client communications and trust building
• Do root cause analysis on bugs to find and fix the cause of a problem in an integrated system.
• Build and deploy the system on an application server.
• Create and execute functional test scenarios (dev testing).
• Incorporate the work done by other developers and do whatever is necessary to get the system to work again with the changes, including debugging other people’s code, making changes to test data, etc.
• Provide guidance and assistance to more junior/intermediate developers to ensure they deliver quality work within the agreed time frames.
• Provide technical leadership to the development team and other teams within the company.

Closing date: 16th of October 2026.

Permanent hybrid position based either in Cape Town or Woodmead.

Open to people with disabilities.

• Relevant tertiary qualification in Information Technology or Computer/Engineering Sciences and/ or Matric with at least 10 years relevant experience and 5 years relevant experience as a Senior developer as part of a team in a software development environment
• A strong knowledge of Microsoft web development toolsets is essential.
• Good understanding of the .NET framework and C# language features
• A good understanding of the SDLC process, tools and techniques specifically applied to software development methodology.

• Experience with team development tools:
  Use of source control applications (preferably GIT);
  Use of a UML and other tools for documentation.
• Knowledge of security vulnerabilities (OWASP top 10) and working knowledge of how these can impact on application solutions.
• Monitoring or optimizing the performance, security, backup, recovery or integrity of web server and site technical performance.
• Experience of the following technologies:
  • In Depth ASP.Net, C#.NET, XML and knowledge
  • Dot Net 4.7.2 +
  • Integration experience (Web/RESTful services)
  • XML and JSON messages interaction.
    
    Understanding of namespace management and utilisation
  • SQL and experience with a relational database (i.e. MS SQL 2008 onwards)
  • SoapUI/Postman
  • Infrastructure as code (Kubernetes)
• Ability to deliver production-quality software by e.g. paying attention to detail, do extensive unit testing and support quality testing phases.
• Exp…