> Markdown version of [/jobs/ext/4490317-hybrid-gen-ai-engineer-llms-rag-security](https://www.wearedevelopers.com/jobs/ext/4490317-hybrid-gen-ai-engineer-llms-rag-security). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Hybrid Gen AI Engineer: LLMs, RAG & Security

- **Company:** Banco Santander, S.A.
- **Location:** Madrid, Spain
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Distributed Systems, Python (Programming Language), Retrieval-Augmented Generation, Large Language Models, Generative AI, Backend
- **Published:** November 1, 2026
- **Apply:** https://www.jobleads.com/es/job/hybrid-gen-ai-engineer-llms-rag-security--madrid--ef8473c0ea9e0cb8973204cc9b74348b1

## About the Role

The role requires 5+ years of backend development, 2+ years in AI engineering, and hands-on experience with distributed systems, LLMs, APIs, and RAG pipelines. It offers a hybrid work model, competitive rewards, and access to Santander Open Academy.

## Description

Santander in Madrid is seeking a Generative AI Engineer specializing in Python to design, integrate, and optimize agentic systems with a focus on reliable operation, knowledge grounding, and security.

The role requires 5+ years of backend development, 2+ years in AI engineering, and hands-on experience with distributed systems, LLMs, APIs, and RAG pipelines. It offers a hybrid work model, competitive rewards, and access to Santander Open Academy.