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Urgent! C# Integration Developer Job Opening In Cape Town – Now Hiring Arch Retail Solutions

C# Integration Developer



Job description

The Senior Integration Developer is responsible for leading the design, development and delivery of software solutions based on business-to-business integration requirements or proposed solutions as outlined by the Solutions Architect and/or Business Analyst.

This role involves integrating with various third-party systems related to Electronic Funds Transfer (EFT), Customer Loyalty Programs, and Value-Added Services (VAS) such as airtime sales, bill payments, and more while ensuring solutions are scalable, technically sound and fall in line with the company’s coding and process standards.

Responsibilities

  • Lead technical analysis of business-to-business integration requirements.

  • Provide accurate estimations for high-complexity tasks and projects.

  • Develop and deliver scalable, high-performance code.

  • Support solution design alongside the Solutions Architect and Business Analyst.

  • Assist other team members with technical understanding.

  • Investigate and resolve complex bugs independently.

  • Conduct root cause analysis and document findings.

  • Champion adherence to the company’s coding standards.

  • Conduct and lead thorough unit testing with system-wide awareness.

  • Drive peer review best practices and mentor others through feedback.

  • Ensure accurate and detailed technical documentation of all solutions.

  • Update DevOps with complete development context and outcomes.

Qualifications

  • Grade 12 certificate or equivalent, with IT-related qualification or relevant short courses.

  • 5+ years of hands‑on related development experience.

  • Strong proficiency in C# / .NET (Core and/or Framework).

  • Strong experience with REST and SOAP APIs (creation, hosting and consumption).

  • Solid understanding of security & authentication principles such as OAuth, JWT and API key‑based security.

  • Solid understanding of Microsoft SQL Server and experience with relational database design and optimisation.

  • Solid understanding of testing frameworks like xUnit/NUnit/MSTest.

  • Practical experience creating C# UIs using Winform, WPF or other UI‑based works (advantageous).

  • Practical experience in Agile development environments, with usage of Azure DevOps – boards, repos, pipelines.

  • Experience in the Retail / FinTech industry (highly advantageous).

  • Experience of EFT, CRM / Loyalty Systems, or VAS platforms (highly advantageous).

  • Demonstrated ability to work in a team and take ownership of solutions.

  • Clear communication and problem‑solving and analytical skills.

  • Understanding of PCI‑DSS and data protection standards.

Compensation

Salary range: ZAR700,000.00 – ZAR875,000.00

Location

Cape Town, Western Cape, South Africa

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Required Skill Profession

Software Development



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