Pablo Marcos Parra · Valladolid, Spain
Applied AI Engineer building production-grade LLM systems
AI Engineer with 4+ years taking Generative AI and LLM systems from prototype to production, focused on autonomous agents, RAG and cloud microservice architectures.
- Focus
- autonomous agents · RAG · fine-tuning
- Currently
- AI Team @ Santander Consumer Finance GS (Santander Group)
- Location
- Valladolid, ES · 41.65° N, 4.72° W
Profile
More about me →Pablo is an AI Engineer specialized in LLMs, autonomous agents and RAG systems, with experience building AI solutions end to end — from data pipelines to microservices deployed in production. He has spent most of his career in the financial sector (Grupo Santander), where he learned to build robust, scalable and secure systems. Outside of work he is an active tech community organizer and speaker (Google Developer Group Valladolid).
Selected work
All projects →Multi-agent architecture for measuring the energy consumption of LLMs based on prompting techniques and context length
Prompt engineering optimizes for answer quality and ignores the energy bill. This multi-agent harness measured 2,700 LLM inferences to put a number on the trade-off.
Python / LangGraph / Anthropic API / Ollama / CodeCarbon / EcoLogits / SQLite / GreenAI
Certification exam simulator with an original question bank
Certification prep leaves you a choice between ten official sample questions and leaked exam dumps. This generates an original, domain-weighted bank from the official guides and drills it with spaced repetition.
Python / FastAPI / SQLite / Pydantic / React 19 / TypeScript / Vite / Gemini API / Anthropic API / Ollama
Contact
Let's build something that ships.
The fastest way to reach me is email or LinkedIn. For the full picture, the CV has the details.