Senior C# API Developer Full Time

Our client is a technology-focused organisation building next-generation, scalable, and distributed systems. The team works closely with strong technical leadership and fosters a culture of learning, experimentation, and continuous improvement, delivering robust backend services for enterprise-grade platforms.
They are currently seeking a Senior C# API Developer to join their team on-site in Pretoria. This is a senior, hands-on role working closely with a Software Architect to design and build efficient, high-performance APIs and distributed services.

Role Overview
• Design, develop, and maintain scalable RESTful APIs using C# and .NET Core
• Work in a focused team of API and Front-End developers on distributed systems
• Collaborate closely with the Software Architect to translate technical specifications into optimal implementations
• Apply clean architecture, SOLID principles, and best practices to ensure code quality and scalability
• Participate in Agile sprint planning, refinement, and prioritisation
• Mentor developers and actively share best practices

Requirements
Experience
• 7–10 years of professional software development experience
• Strong focus on building RESTful APIs using C#

Technical Skills
• C# and .NET Core (expert level)
• Clean Architecture & SOLID principles
• Entity Framework
• GitHub & feature-based branching
• Unit and end-to-end testing

Nice to Have
• Code modernisation for cloud environments
• API hardening practices
• CI/CD pipeline exposure

Culture & Personal Attributes
• On-site role only (no hybrid or remote work)
• Non-smoker
• Humble, open to learning, and collaborative
• Strong problem-solving and analytical ability
• Excellent verbal and written communication skills
• Ability to self-prioritise sprint work

Should you meet the requirements for this position, please email your CV to it.vacancy@stand-outstaffing.co.za. You can also contact the team on 031 350 4019 or alternatively you can visit our website www.stand-outstaffing.co.za
Should you not hear from us within 3 days, please consider your application unsuccessful.