I'm Sergio Cabeza de Vaca, an AI Engineer at Cactus based in Sevilla. I work across software development, retrieval systems, local inference and agent workflows.
Portfolio and case studies · Contact
| Area | Focus | Public example |
|---|---|---|
| Retrieval | Hybrid search, citations and document ingestion | Synapse AI |
| Local AI | Local inference and document search | Local Policy RAG |
| Machine learning | Histopathology image classification | CNN-PANDA |
| Agent workflows | Planning skills and grounded browser actions | dev-planning · jev-browser-axi |
Languages & interfaces: Python, TypeScript, React, FastAPI
Retrieval & agents: LangGraph, LangChain, ChromaDB, Supabase / pgvector
Inference & ML: Ollama, TensorFlow
More public work
- Contextual RAG Local: contextual retrieval running locally.
- Android Design Skills: practical guidance for native interfaces.
- AI coding workshop: hands-on teaching materials.



