Senior AI Engineer — Enterprise GenAI, RAG & HITL

DVT; Johannesburg; On-site; ZAR 900,000 - 1,500,000; Full time

Job summary

DVT is seeking a Senior AI Engineer in Johannesburg to design, build, and scale enterprise-grade AI solutions. You will develop AI-powered applications using Python and .NET, create advanced Generative AI systems, and implement RAG architectures with embeddings, semantic search, and vector databases.

You will lead HITL governance, observability, and end-to-end security of production-grade AI. You will influence architecture decisions, work with stakeholders, and advance responsible AI practices

Qualifications

• Strong professional software development experience with Python and .NET.
• Hands-on experience building solutions using Large Language Models (LLMs).
• Proven experience with Retrieval-Augmented Generation (RAG), content embeddings, semantic search, and vector databases.
• Experience designing and implementing agentic AI workflows.
• Experience integrating Human-in-the-Loop (HITL) processes into AI applications.
• Strong understanding of AI evaluation, testing, and quality assurance practices.
• Experience implementing observability and monitoring for AI systems.
• Solid software engineering fundamentals and enterprise architecture knowledge.
• Experience delivering production-grade applications in enterprise environments.

Responsibilities

• Develop AI-powered applications using Python and .NET.
• Design and implement advanced Generative AI solutions.
• Build Retrieval-Augmented Generation (RAG) architectures.
• Work with embeddings, semantic search, and vector databases.
• Design and orchestrate agentic AI workflows for complex tasks.
• Implement HITL capabilities for governance and quality control.
• Develop AI evaluation frameworks to measure performance and safety.
• Establish observability and monitoring across AI systems.
• Collaborate with stakeholders to deliver scalable and secure AI solutions.
• Drive best practices across the software development lifecycle.
• Contribute to architecture decisions and proof-of-concept development.

Skills

Python

.NET

LLMs

RAG

Embeddings

Semantic search

Vector databases

Agentic AI workflows

HITL

Observability

AI governance

Tools

LangChain

Semantic Kernel

LangGraph

AutoGen

CrewAI

Job description

DVT is seeking a Senior AI Engineer in Johannesburg to design, build, and scale enterprise-grade AI solutions. You will develop AI-powered applications using Python and .NET, create advanced Generative AI systems, and implement RAG architectures with embeddings, semantic search, and vector databases.

You will lead HITL governance, observability, and end-to-end security of production-grade AI. You will influence architecture decisions, work with stakeholders, and advance responsible AI practices