Johannesburg: Intermediate .NET Developer

About the Role We are seeking a highly skilled Intermediate .NET Developer to join our dynamic data team. You will be responsible for designing, building, and maintaining scalable and robust .NET applications. This role is ideal for professionals who thrive in complex software environments, value clean, efficient, and maintainable code, and enjoy collaborating with cross-functional teams to deliver high-quality solutions. Key Responsibilities Application Development Develop and maintain .NET applications using C# and ASP.NET Core , ensuring scalability, maintainability, and security. Build RESTful APIs and backend services, integrating with internal and external systems. Collaborate with front-end developers to implement responsive and user-friendly interfaces . Engage in various stages of the SDLC , including system design, analysis, scoping, and estimation. Code Quality, Testing & Documentation Write unit, integration, and automated tests to ensure code reliability. Participate in code reviews , providing constructive feedback and maintaining coding standards. Create and maintain technical documentation for applications, APIs, and services. Continuously research and implement best practices , frameworks, and innovative technologies. Collaboration, Agile & Continuous Improvement Work with product owners, business analysts, and fellow developers to understand requirements and deliver solutions. Participate in Agile ceremonies , including sprint planning, daily stand-ups, and retrospectives. Mentor junior developers and promote a culture of collaboration, excellence, and continuous improvement . Champion DevOps practices including CI/CD, containerisation, and automated deployments. Customer & Delivery Focus Build strong relationships with stakeholders and understand customer needs to deliver impactful solutions. Identify opportunities for service improvement and ensure compliance with data security and industry regulations. Deliver enterprise projects across multiple domains for leading South African organisations. Requirements & Qualifications Experience 3–5 years professional .NET development experience in an enterprise environment. Experience building web and mobile applications , with exposure to enterprise-grade solutions. Strong collaboration and customer-facing skills , with a proactive and adaptable approach. Must-Have Skills C#, ASP.NET Core, .NET Framework SQL databases and ORM frameworks (Entity Framework / Entity Framework Core) RESTful APIs and integration patterns Familiarity with SDLC and Agile development practices Strong code quality, testing, and documentation skills Highly Desirable Skills Front-end frameworks: Angular, React, Vue, Blazor Cloud environments: Azure, AWS, GCP CI/CD pipelines and version control: Git, Azure DevOps, GitHub Unit testing frameworks: NUnit, xUnit Containerisation and Infrastructure as Code: Docker, Terraform, Bicep, AWS CDK Event-based messaging: Kafka, RabbitMQ, Amazon SQS Exposure to DevOps and TDD methodologies Education Bachelor’s degree or diploma in Computer Science, Information Systems, Engineering, or related field Additional Information Contract Duration: 12 Months (with possibility of renewal) Salary: Negotiable Location Options: Johannesburg / Cape Town / Remote Must be located in South Africa or hold a valid SA work permit