Johannesburg: .Net Developer

February 6, 2026 Jobs in Central Johannesburg

Job Description

We are seeking a highly skilled and experienced Backend Developer (.NET) to join our dynamic engineering team. The ideal candidate is passionate about building clean, scalable, and reliable backend systems, and has strong expertise across the .NET ecosystem, PostgreSQL, and modern architectural patterns. In this role, you will collaborate closely with cross-functional teams, contribute to technical design decisions, and take full ownership of features from concept to deployment. If you enjoy solving complex problems, writing high-quality code, and working in a fast-paced environment, we would love to hear from you. Â Responsibilities Design, develop, and maintain backend services using C# and the .NET framework. Implement data access layers using Entity Framework, with PostgreSQL as the primary database. Apply CQRS and SOLID principles to ensure scalable, maintainable, and testable code. Use the Mediator design pattern (e.g., MediatR) to structure request handling and domain logic. Design and document RESTful APIs using OpenAPI/Swagger, ensuring clear, accurate, and up-to-date API contracts. Collaborate closely with other engineers to design new features, review code, and enhance existing software. Take end-to-end ownership of features â€” from design and implementation to deployment and post-release support. Requirements Strong proficiency in C# and the .NET ecosystem (minimum 5 years). Experience with Entity Framework and PostgreSQL (minimum 5 years). Solid understanding of CQRS and SOLID design principles. Familiarity with the Mediator design pattern (e.g., MediatR). Experience designing and documenting RESTful APIs using OpenAPI/Swagger, including request/response models and error handling (minimum 5 years). Proven ability to reason through complex architectural and design decisions. Self-driven, proactive, and passionate about writing high-quality, well-structured software.

View Job Cape Town City Centre: IT Business Support Specialist

How to Apply

Click the green “Go Apply” button below to apply directly online with the employer.

About IT / Computing / Software Jobs in Gauteng

In Gauteng, the IT and computing industry is a significant contributor to the province’s economy, with a steady demand for skilled professionals. Typically, this field is characterized by rapid technological advancements, innovative projects, and a high level of job satisfaction among employees. Generally, career prospects in this sector are strong, with a range of opportunities available across various industries.

Salaries for IT and computing professionals in Gauteng can vary widely depending on factors such as experience, company size, and industry sector. While it is common to see salaries ranging from R400 000 to R1,200 000 per annum, these figures are only a general guideline and actual salaries may differ significantly. For instance, senior executives or technical leads with extensive experience may command higher salaries, while entry-level positions may start at lower levels.

Common skills required for IT and computing roles in Gauteng include proficiency in programming languages such as Java, Python, or C++, knowledge of cloud platforms like AWS or Azure, and experience with agile development methodologies. Additionally, understanding of data analysis and interpretation, cybersecurity principles, and IT project management are often essential. Familiarity with popular software applications, such as Microsoft Office 365 or Google Workspace, is also beneficial.

The financial services sector, technology industry, manufacturing sector, and government departments are among the common industries that employ IT and computing professionals in Gauteng. These sectors require a range of skills and expertise, from data analysis to network administration, making them attractive options for career development.

View Job Cape Town: Motorcycle Delivery Driver posted by O'Brien Recruitment

For those seeking a career in IT and computing, there are numerous opportunities for professional growth and development. Typically, career progression involves moving into senior roles or specialized positions, such as technical lead, solutions architect, or data scientist. Opportunities for further education and training, such as certifications or postgraduate studies, can also enhance job prospects. Generally, a strong understanding of industry trends, networking, and continuous learning are essential for success in this field.

This information provides general career guidance. Actual salaries and requirements vary by employer.

GO APPLY NOW

Safe & secure application process