Software Development Engineer - Johannesburg - Salary R60 000 to R65 000 About the Role We are seeking a highly skilled Software Development Engineer to design, build, and optimize high-performance firmware, web applications, and data management systems for cutting-edge technology. Key Responsibilities Software & System Development: Design, develop, and integrate modern C++, C#, JavaScript, and .NET/ASP.NET Core solutions, including simulation tools and planning software for rock blasting systems. Data & Cloud Management: Optimize operational and analytical databases (PostgreSQL, ClickHouse) and maintain cloud-native deployments using Docker, Cloud Run, and Kubernetes. Architecture & Distributed Systems: Build high-throughput APIs, backend services, and event-driven systems utilizing enterprise messaging tools such as Apache Kafka. Client & Site Integration: Solicit technical business requirements from clients and assist in the deployment, installation, and commissioning of systems on site. Quality & Process Improvement: Write automated unit/integration tests, drive modern CI/CD practices, and contribute to continuous software process improvements. Requirements Must-Haves: Relevant Degree in Computer Science, Engineering, or a related field. 5+ years of professional software development experience. Strong programming background in C++, C#, JavaScript, and modern .NET / ASP.NET Core . Demonstrated expertise with relational and analytical databases ( PostgreSQL, ClickHouse ). Experience with containerization & cloud platforms ( Docker, Kubernetes, Cloud Run ). Hands-on experience with REST APIs, event-driven architecture (Apache Kafka), and modern CI/CD workflows. Strong mathematical, analytical, and technical communication skills. Beneficial / Advantageous Skills: Experience with Golang, QT, and QML. Commercial mobile app development (Android/iOS) or web front-end development (HTML5, Angular, Node.js). Experience with UI/UX design principles and testing frameworks (Selenium, Postman, Playwright). Agile/Scrum/Kanban project management methodologies