Senior C# Back End Developer

Qualifications & Demographic Details

Sifiso is a BEE male based in Durban who holds a National Diploma in Information Technology from the Durban University of Technology. With nearly nine years of programming experience, Sifiso has built a robust technical foundation across the full development lifecycle. His primary strength lies in back-end development, though he has extensive full-stack experience and exposure to a broad range of integration and architecture tools, making him a highly versatile software developer.

Development Experience

Sifiso has almost 9 years of experience as a software developer with a strength in back-end and full-stack development. Over the years, he has designed and built systems across logistics, warehousing, insurance, and SaaS platforms. His technical background includes building Fleet Management Systems, Job Allocation & Dispatch Systems, Proof of Delivery (POD) solutions, Inventory and WMS platforms, and client portals. He has also worked on enterprise-grade applications and SaaS platforms using technologies like .NET Core, React, Blazor, and Azure Services.

Sifiso is highly experienced in greenfield development as well as the enhancement and maintenance of existing systems. He has hands-on integration experience with both SOAP and REST APIs, including API development and working with numerous third-party services such as payment gateways, document generation and signing platforms, identity verification, and healthcare systems. He has a solid grounding in software design principles, including SOLID and design patterns, and has contributed to both solution architecture and team leadership roles. He is actively involved in the full SDLC, with client-facing and stakeholder collaboration experience.

Technical Stack

He has commercial experience in the following technologies and tools:

Languages & Frameworks: C#, .NET, .NET Core, ASP.NET MVC, ReactJS, Blazor, HTML, CSS, JavaScript, TypeScript, Angular, Node.js, Dapper, Entity Framework

Databases: SQL Server, MongoDB

Web Services & Integration: REST APIs, SOAP, Web API, WCF, JSON/XML, API design, 3rd-party integrations

Tools & Platforms: Azure (Web Apps, Key Vault, App Configuration, DevOps), AWS, Visual Studio, Visual Studio Code, Git, DevOps, SSRS, TFS

Reporting & Data: SSRS, SQL Server RDBMS, Flowcharts, System Documentation

Key Projects & Applications Developed

• Designed and implemented integration APIs and middleware platforms for a national insurance company using REST/SOAP.
• Developed a cloud-based WMS SaaS product used by logistics businesses to track inventory and manage ERP integration.
• Delivered responsive mobile-optimised web apps with features like real-time fleet tracking, job management, and client dashboards.
• Developed and maintained multiple internal business systems including billing, dispatch, proof-of-delivery, and warehouse operations.
• Built complex SQL queries, stored procedures, and optimisation routines for reporting and analytics.
• Integrated with identity verification, credit bureaus, payment gateways, e-signature, and compliance platforms.
• Mentored and led a team of five developers, ensuring code quality, documentation, and delivery alignment across sprints.

Strengths & Competencies

• Demonstrates strong back-end development capabilities within enterprise and SaaS-based environments.
• Experienced in building secure, scalable REST APIs with clean architectural design.
• Brings deep integration expertise with 3rd party services across financial, regulatory, and medical systems.
• Proficient in full-stack development using React, Blazor, and .NET Core.
• Hands-on Azure and AWS cloud deployment, DevOps, and resource configuration experience.
• Committed to code quality, SOLID principles, and efficient team collaboration.
• Has successfully led and mentored development teams and junior staff.
• Comfortable in hybrid, remote, or on-site environments within the Durban area.

Career Summary & Highlights

Position 1:

Insurance Sector / Integrations Developer : 2023 – Current
Responsible for architecting and developing APIs and system integrations, Sifiso works closely with multiple stakeholders to ensure secure, high-performance data flow between platforms. He leads middleware configuration, troubleshooting, and compliance implementation while mentoring peers.

Technologies: C#, ASP.NET Core, REST/SOAP APIs, Azure (Web Apps, Key Vault, DevOps), SQL Server

Position 2:

Logistics Software Sector / Software Developer : 2022 – 2023
Translating business requirements into scalable solutions, Sifiso developed and maintained dispatch and inventory systems. He also handled stakeholder communication, project timelines, and solution documentation across the lifecycle.

Technologies: C#, .NET Core, SQL Server, HTML, JavaScript, ReactJS, Azure

Position 3:

Warehouse Management Sector / Front-End Developer (Contract) : 2021 – 2022
Focused on building responsive UI and integrating RESTful APIs, Sifiso contributed to web application upgrades using modern frameworks like Blazor and React while also optimising performance and collaborating with cross-functional teams.

Technologies: ReactJS, Blazor, ASP.NET MVC, C#, .NET Core, REST APIs, SQL Server

Position 4:

Online Gaming Sector / Full Stack Developer (Contract) : 2020 – 2021
Worked on various web and database solutions including developing PWAs, REST APIs, and SSRS reports. He also hosted apps on Azure and handled both front-end and back-end architecture.

Technologies: C#, ASP.NET MVC, SQL Server, SSRS, JavaScript, HTML, REST APIs, Azure

Position 5:

Utilities Sector / Software Developer : 2019 – 2020
Built web-based tools for utility billing and customer portals, maintaining front and back-end components, APIs, and Xamarin mobile apps.

Technologies: ASP.NET Core MVC, SQL Server, SSRS, Entity Framework, Azure, ReactJS, Xamarin

Position 6:

Custom Software Development Sector / Full Stack Developer : 2016 – 2019
Delivered business systems from scratch, including REST APIs, dashboards, and reporting solutions. Worked across multiple stacks and led small teams through project delivery cycles.

Technologies: C#, ASP.NET Core, JavaScript, HTML, SQL Server, Entity Framework, ReactJS, Azure

Position 7:

Telecommunications Call Centre Sector / Call Center Agent : 2014 – 2016
Handled customer service and sales support, gaining early professional experience and customer engagement skills.

Technologies: (Not applicable)

Availability & Salary

Notice Period: 30 Days
Salary Expectations: R95 000 (negotiable)

Like What You See? Here Are Your Next Steps:

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

2. Want to Speed Up Your Hiring Process?
   Email us up to 10 questions you would usually ask during a first-round interview. ( use subject line: Sifiso)
   We’ll record a tailored video interview with Sifiso answering your questions and send it to you along with his full CV — all within a few days.

3. Book a Direct Interview
   Prefer a live interview? We’ll schedule a face-to-face or Microsoft Teams interview at your convenience. ( use subject line: Sifiso)
   No upfront costs — you only pay if you hire.
   Flexible rates — we’ll agree on pricing before you proceed.

At Skillzpage, we represent talented Full Stack and Back-End Developers like Sifiso — professionals with nearly a decade of experience in C#, .NET Core, ReactJS, Blazor, and Azure cloud development.

As one of South Africa’s most trusted IT recruitment agencies and technical headhunters, we connect employers with proven developers who can design, integrate, and scale enterprise and SaaS solutions across industries such as logistics, insurance, and software development.

Whether you’re looking for a .NET developer recruitment partner, a technical talent acquisition specialist, or a software engineering recruitment agency to strengthen your digital delivery teams, Skillzpage delivers precision-driven recruitment solutions that match exceptional developers to forward-thinking businesses nationwide.