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  • Posted: Mar 11, 2026
    Deadline: Not specified
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  • Datafin was established in 1999 due to the need for a specialized IT recruitment solution. We offer a personalized and flexible recruitment service, specializing in providing both client and candidate with the perfect fit. We pride ourselves on the fact that we have established relationships with industry leaders and a vast majority of our business is repeat...
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    Senior Backend Developer (.NET, C#) (Hybrid - JHB)

    ENVIRONMENT:

    • A Software Solutions company is currently seeking an experienced C# Back-End Developer to join their 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.

    DUTIES:

    • 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 DevOps for source control, CI/CD, and work item tracking
    • Support cloud-based deployments and environments (Azure preferred)

    REQUIREMENTS:

    Required Skills & Experience

    • 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

    Advantageous (Nice to Have)

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

    Check how your CV aligns with this job

    Method of Application

    Interested and qualified? Go to Datafin Recruitment on datafin.com to apply

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