Senior .NET Developer (WinForms) – SaaS Compliance – South Africa – Contract

Location: South Africa

Duration: 12 months

Start Date: March 2026

Role Overview

Our client is seeking a Senior .NET Developer with strong WinForms expertise to support the ongoing development and enhancement of a mature SaaS platform used by Audit and Accountancy firms for regulatory compliance, data processing, and workflow management.

This is a hands-on role focused on maintaining and evolving a complex desktop application built on the Microsoft .NET Framework, ensuring stability, performance, and continuous feature delivery.

Key Responsibilities

• Develop, enhance, and maintain WinForms applications built on .NET Framework 4.7.2 and 4.8.
• Deliver feature development, performance optimisation, and stability improvements.
• Translate business requirements into technical solutions with product and technical teams.
• Maintain and optimise MySQL database interactions.
• Debug, troubleshoot, and resolve application issues.
• Ensure code quality through best practices, peer review, and testing.
• Contribute to technical and architectural improvements.
• Support deployments and production issue resolution.

Skills & Experience

• Strong WinForms desktop application development experience.
• Extensive .NET Framework 4.7.2/4.8 and C# expertise.
• Strong MySQL database experience.
• Experience on production SaaS platforms.
• Strong debugging and problem-solving skills.
• Experience in structured environments (Agile/Scrum preferred).
• Experience in compliance, financial, or accountancy software environments (preferred).

Interested?
If this opportunity aligns with your skills and experience, please send your updated CV to taylor.lewis@darwinrecruitment.com

Darwin Recruitment is acting as an Employment Business in relation to this vacancy.

Taylor Lewis