Senior C# & Mobile Developer

Reference: CPT006144-JB-1 Senior C # &Mobile Developer Sandton R 800 - R 1000 0000 PA Dig deeper than code. Build software that powers industryDuties & ResponsibilitiesWe are seeking an experienced Senior C# & Mobile Developer to join a high-performing software development team responsible for designing, developing, and maintaining enterprise-grade applications across desktop, web, and mobile platforms. This role is ideal for a hands-on developer with deep expertise in modern Microsoft technologies, a passion for clean code, and the ability to work across both legacy and modern application environments. Key Responsibilities • Develop and maintain C# desktop, web, and mobile applications. • Enhance existing Windows Forms applications and contribute to modern .NET solutions. • Build applications using ASP.NET Core, Blazor, .NET MAUI, and .NET Core. • Design and develop database solutions using SQL Server, SQLite, and Entity Framework. • Develop and maintain REST API integrations and data services. • Build offline-capable applications with synchronization capabilities. • Troubleshoot, optimize, and improve application performance and reliability. • Participate in solution design, technical planning, and application architecture. • Produce technical documentation and support software deployments. Essential Requirements • Degree in Computer Science, Computer Engineering, Information Systems, or related discipline. • 10+ years of professional C# development experience. • Strong experience with: • C# • .NET Core / .NET 8+ • ASP.NET Core • Blazor • .NET MAUI • Entity Framework / EF Core • SQL Server • SQLite • REST APIs • LINQ Technical Expertise • Full-stack development across desktop, web, and mobile platforms. • Database design and T-SQL development. • JSON-based integrations and API development. • Asynchronous programming and multi-threaded applications. • Responsive UI development using Razor, HTML, and CSS. • Application performance tuning and troubleshooting. • Git-based source control and software development best practices. Package & RemunerationR 800 000 - R 1 000 000 - Annually