Senior C# Back-End Developer

Company Description

Jalia Technologies (Pty) Ltd is an experienced software development company specializing in delivering enterprise software solutions tailored to medium to large organizations. We take pride in empowering businesses to thrive in today's complex technological environment by providing comprehensive services such as business analysis, system design, and software development. With expertise in Java, React, and Smart Client development, our team is committed to creating robust systems and user-friendly interfaces.

Located in the Pretoria Metropolitan Area, Jalia is dedicated to going the extra mile in building and delivering critical enterprise systems that drive business success.

We are seeking an experienced C# Back-End Developer to join our development team and work closely with a Johannesburg-based customer. The successful candidate will be responsible for designing, building, and maintaining integration-focused back-end systems, ensuring reliability, scalability, and performance.

This role is ideal for a developer who enjoys working on system integrations, APIs, and cloud-based solutions in a professional, customer-facing environment.

• Design, develop, and maintain back-end applications and integration services using C# and .NET
• Build and consume RESTful APIs and third-party system integrations
• Collaborate with the customer’s technical and business teams to understand integration requirements
• Write clean, maintainable, and well-documented code
• Troubleshoot, debug, and optimise existing systems
• Participate in code reviews and contribute to best practices
• Use Azure Dev Ops for source control, CI/CD, and work item tracking
• Support cloud-based deployments and environments (Azure preferred)

• 5+ years of hands-on experience with C# (.NET / .NET Core)
• Strong back-end development experience
• Proven experience building integration software
• Solid understanding of: REST APIs, JSON / XML, SQL databases (e.g. SQL Server)
• Experience with version control systems (Git)
• Strong problem-solving and analytical skills
• Ability to work independently and communicate effectively with customers

• Experience with Microsoft Azure (App Services, Functions, Storage, etc.)
• Experience with Azure Dev Ops pipelines and deployments
• Exposure to microservices architecture
• Experience integrating with ERP, CRM, or financial systems
• Knowledge of security best practices for APIs and integrations