About this role
Applied AI Engineer at Santander. Location: Madrid, Madrid, Spain. Role: Designing production-grade AI systems, Developing multi-agent orchestration Requirements: 4–8 years software/AI engineering; 2+ years LLM in production; multi-agent AI systems; fine-tuning language models; REST APIs; banking/fintech experience preferred. Category: Software Development Seniority: Mid Level Tools: Python, LangGraph, AutoGen, CrewAI, Semantic Kernel, Anthropic Claude API, OpenAI, Llama, Mistral, AWS, Bedrock, SageMaker, S3, FastAPI, Docker, Git, CI/CD, MCP, vLLM, Ollama, Unsloth, GraphRAG, Kubernetes, Terraform Commitment: Full Time Workplace: Hybrid Languages: English, Spanish