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Data Scientist

RAY AI

Cape Town, Western Cape, South Africa Full-time June 04, 2026
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Opportunity Description

We are seeking a highly skilled Data Scientist with deep expertise in modern AI/ML systems, including LLMs, multimodal models, fine-tuning techniques, and advanced retrieval architectures. In this role, you will design, prototype, and deploy AI-powered solutions that leverage state-of-the-art language, vision, and agentic frameworks. You will work closely with engineering, product, and research professionals across the US and Europe to bring cutting-edge AI capabilities into production environments.

Your Responsibilities:

  • Design, build, and optimize LLM-powered systems using OpenAI, Anthropic, and open-source/local model families.

  • Architect and implement RAG pipelines, including hybrid search, query rewriting, prompt optimization, and reranking strategies.

  • Develop and maintain vector database infrastructures (Pinecone, Weaviate, Qdrant) for large-scale embedding storage and fast retrieval.

  • Train, evalu...

Full-time Mathematical Science Occupations

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