Senior Fullstack Developer

A leading technology-focused organisation is seeking a Senior Full-Stack Developer with strong AI engineering capability to join their in-office team in Melrose, Johannesburg. This role requires a highly capable developer who can deliver robust, scalable systems while also contributing to practical AI integration across business solutions.

Responsibilities

• Design, build, and maintain scalable backend and full-stack applications using .NET and C#
• Develop and optimise APIs, backend services, and database structures (PostgreSQL, advanced SQL)
• Contribute to AI-enabled development workflows using tools such as Claude Enterprise
• Improve and modernise existing systems, including performance and reliability enhancements
• Collaborate with business users to translate operational requirements into technical solutions
• Support data architecture including relational and vector-based approaches

Requirements

• Senior-level experience in C# / .NET development and backend engineering
• Strong experience with API development and database design (PostgreSQL, SQL optimisation)
• Proven exposure to AI-assisted development tools and workflows (Claude or equivalent)
• Experience working with complex business or fintech environments advantageous
• Strong problem-solving ability and willingness to work across business functions
• Ability to work full-time in-office in Melrose, Johannesburg

Should you meet the requirements for this position, please email your CV to Sign in to view email. You can also contact us on 031 350 4019 or alternatively you can visit our website https://stand-outstaffing.co.za

Correspondence will only be conducted with short listed candidates. Should you not hear from us within 4 days, please consider your application unsuccessful.