Software Developer

5 days ago

Johannesburg, South Africa IOCO Full time

We are seeking a highly skilled .NET Software Developer to design, develop, and maintain robust backend services using C# and the .NET framework. The ideal candidate will implement efficient data access layers with Entity Framework and PostgreSQL while applying CQRS and SOLID principles to ensure scalability and maintainability of solutions. This role involves close collaboration with engineering teams, participating in code reviews, and taking full ownership of features from design through deployment and support. A proactive mindset, strong architectural reasoning, and a passion for high-quality software are essential for success.What you'll do:Design, develop and maintain backend services using C# and the .NET frameworkImplement data access layers using Entity Framework with PostgreSQL as the primary database.Apply CQRS and SOLID principles to ensure scalable, maintainable and testable code.Using the Mediator design pattern (e.g MediatR) to structure request handling and domain logic.Design and document RESTful API's using OpenAPI/Swagger, ensuring clear, accurate, and up-to-date API contracts.Collaborate closely with other engineers to design features, review code and improve existing software.Take end-to-end ownership of features, from design and implementation to deployment and support.Your Expertise: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 principlesFamiliarity with the Mediator design patternExperience designing and documenting RESTful API's using OpenAPI/Swagger, including request/response models and error handling (Minimum 5 years)Proven ability to reason through complex architectural and design decisionsSelf-driven, proactive and passionate about writing quality softwareQualifications:National diploma/ BTECH Software developmentBachelor’s degree computer science

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