Senior C# Back End Developer

Qualifications & Demographic Details

Nick is a non-BEE white male currently residing in Centurion, South Africa, and holds an IT Systems Development qualification from Working Technologies. He has also completed CompTIA A+ and N+ certifications from IT Workings Corporation.

Development Experience

Nick has over 10 years of backend development experience, specialising in C# and the Microsoft .NET ecosystem. He has contributed to both new feature development and ongoing enhancements and maintenance of enterprise systems, including high-transaction, web-based applications and REST APIs.

He has extensive experience working in API development, system integrations, and biometric access control software. He has also provided mentorship to junior developers and handled DevOps responsibilities such as deployment, server maintenance, and production security checks.

Technical Stack

He has commercial experience in the following technologies and tools:

Languages & Frameworks: C#, VB.NET, .NET Framework 4.8, .NET 8, ASP.NET, ASP.NET Core 3.1 and 8, Entity Framework, SignalR, JSON
Databases: Microsoft SQL Server, MySQL, Stored Procedures, Index Optimisation
DevOps & Infrastructure: Windows Server, IIS, Subversion (SVN)
Frontend & Scripting: TypeScript, Angular
Practices & Tools: OOP, RESTful API Development, Debugging, Code Optimisation, API Security

Key Projects & Applications Developed

• RESTful API Suite for biometric-based time and attendance tracking systems
• Web Service Integrations with third-party payroll and access control platforms
• API-to-Desktop Code Migrations for transitioning legacy desktop applications to modern cloud-based APIs
• Integration with Biometric Devices, supporting both LAN and cloud-based architectures
• Security Audits & Hardening of production APIs and web applications
• Junior Developer Mentorship and team support in distributed remote environments

Strengths & Competencies

• Backend API specialist with advanced C# knowledge
• Proven experience in .NET Core (8+ years) and the broader .NET ecosystem
• Strong understanding of OOP, LINQ, Generics, and secure coding practices
• Confident in maintaining high-volume transactional systems
• Skilled in performance tuning, debugging, and error resolution
• Comfortable leading code reviews, server deployments, and developer support
• Fully remote work experience with preference for distributed team collaboration

Career Summary & Highlights

Position 1:

Software Development / Access Control / Biometric Sector : 2016 – Current
Led backend development of REST APIs and integrated various biometric and payroll systems into the company’s cloud-based and desktop offerings.
Handled deployments, DevOps, junior mentorship, and production security.

Technologies: C#, ASP.NET Core 3.1 & 8, .NET Framework 4.8, .NET 8, Entity Framework, SignalR, MS SQL, SVN, IIS

Position 2:

Civil Engineering Sector / IT Support : 2015 – 2016
Provided onsite troubleshooting, computer repairs, and network infrastructure setup.

Technologies: General hardware/software support, networking

Position 3:

Retail IT Sector / Support & Repairs : 2015 – 2015
Served as technical advisor and PC repair technician in a retail environment.

Technologies: Hardware support, diagnostics, general IT retail services

Position 4:

Retail IT Sector / Support & Warranty Services : 2014 – 2015
Provided warranty services, insurance reports, and technical assistance.

Technologies: Hardware diagnostics, client advisory

Position 5:

Outdoor Events / Team Building Sector : 2012 – 2014
Supervised and facilitated group activities and managed setup.

Soft Skills: Leadership, coordination, public speaking

Availability & Salary

Notice Period: 1 calendar month
Salary Expectations: R50 000 gross 

Like What You See? Here Are Your Next Steps:

1. Request a Full CV
   Email natasha@skillzpage.com and we’ll send you Nick’s full CV straight to your inbox. ( Use 'Nick' in the subject line)

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   Flexible rates — we’ll agree on pricing before you proceed.

At Skillzpage, we represent highly skilled C# backend developers like Nick — experts in .NET Core, API development, SQL Server, and enterprise-grade systems integration.

As a trusted technical recruitment agency in South Africa, we specialise in sourcing and placing .NET developers, API engineers, and Microsoft software specialists who deliver secure, high-performance applications for industries including biometrics, access control, and fintech.

Whether your organisation needs backend developers with RESTful API expertise, .NET Core specialists, or remote software engineers, Skillzpage connects you with top-tier IT professionals who build the reliable, scalable systems your business depends on.