Backend .NET Engineer for AI-Powered RAG Systems

RecruiTech (Pty) Ltd; Durban; On-site; ZAR 600 000 - 800 000; Full time

Job summary

A leading tech firm in South Africa is seeking a skilled Backend .NET Developer to lead the design and development of AI-powered backend systems. You will be responsible for building scalable RAG pipelines and RESTful APIs, collaborating in Agile environments. The ideal candidate possesses 3–5 years of experience in C# and .NET, along with a degree in IT or Computer Science. Join us to innovate and enhance intelligent applications.

Qualifications

• Minimum 3–5 years’ backend development experience using C# and .NET (Core / 6 / 7).
• Proven experience with database integration and scalable backend architectures.
• Hands-on experience with LLM APIs, RAG pipelines, or vector search technologies is highly desirable.

Responsibilities

• Architect, develop, and optimize RAG pipelines using .NET Core / 6 / 7, C#, and AI APIs.
• Build and maintain RESTful APIs to enable AI-driven data retrieval and generation.
• Implement automated testing, CI / CD pipelines, and monitoring for production systems.

Skills

C#

.NET Core / 6 / 7

RESTful APIs

Docker

CI / CD

AI APIs

Testing frameworks

Observability tools

Education

Degree or Diploma in IT or Computer Science

Tools

Grafana

Prometheus

OpenTelemetry

Job description

A leading tech firm in South Africa is seeking a skilled Backend .NET Developer to lead the design and development of AI-powered backend systems. You will be responsible for building scalable RAG pipelines and RESTful APIs, collaborating in Agile environments. The ideal candidate possesses 3–5 years of experience in C# and .NET, along with a degree in IT or Computer Science. Join us to innovate and enhance intelligent applications.