Data Scientist - Support Top-Tier Entrepreneurs

RayAI Inc.
📍 WorkFromHome, Western Cape, South-Africa 💼 Full-time 🕒 Posted March 02, 2026

Job Description

A Message from Our CEO:

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 teams 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, eval...

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Job Details

  • Location WorkFromHome, Western Cape
  • Job Type Full-time
  • Category Database, Analytics & BI
  • Posted Date March 02, 2026
  • Application Deadline April 11, 2026