Data Scientist

RayAI Inc.

Full-time Database, Analytics & BI
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Location
cape town, western cape, South-Africa
Posted
June 10, 2026

Job 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-theโ€‘art language, vision, and agentic frameworks. You will work closely with engineering, product, and research professionals across the US and Europe to bring cuttingโ€‘edge AI capabilities into production environments.

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, evaluate,...