💼 Full-Time Position

Data scientist

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RayAI Inc.
📍 cape town, western cape, South-Africa
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Location
cape town, South-Africa
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Posted
June 07, 2026
Type
Full-Time
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Full-Time Opportunity: This is a permanent, full-time position with a competitive package and real career growth potential.

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-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.

Responsibilities

Design, build, and optimize LLM-powered systems using Open AI, 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, and retrain embedding models for domain-specif...