- Manage and execute key analytical projects within the DATA area, aligning with strategic objectives
- Lead analytical teams to ensure successful project delivery
- Analyze large and complex datasets to uncover trends and insights that drive business decisions
- Develop predictive and generative models using statistical, machine learning, and LLM techniques
- Evaluate, fine-tune, and optimize LLM models for domain-specific applications
- Integrate LLMs into analytical solutions
- Lead iterative development of LLM-based solutions
- Construct knowledge bases, datasets, and performance evaluation methodologies
- Collaborate with product managers, engineers, and designers to implement data-driven solutions
- Integrate LLM capabilities effectively
- Present findings and recommendations to stakeholders across the organization
- Guide and mentor less experienced team members
- Ensure deliverables meet Advanced Analytics governance standards and best practices
- Build end-to-end data products incorporating cutting-edge AI for banking processes




- Help develop an AI-supported customer relationship model for customers and managers

Requirements
- Bachelor's or Master's degree in Computer Science, Statistics, Mathematics, or a related field
- 5+ years of experience working as a Data Scientist, including significant work with LLMs and multidisciplinary projects
- Advanced technical knowledge of LLMs, including fine-tuning, prompt engineering, embedding elicitation, and model optimization
- Deep expertise in Python, statistical modeling, and machine learning
- Strong proficiency in Pandas, NumPy, and scikit-learn
- Hands-on experience with PySpark, TensorFlow, PyTorch, and HuggingFace Transformers
- Proficiency in the end-to-end lifecycle of ML models, from dataset creation and EDA to testing and monitoring/retraining
- In-depth understanding of LLM risks, including hallucination, biases, and unpredictability
- Deep knowledge of machine learning techniques applied to complex bus

📌 Data Scientist – GenAI, LLMs (Madrid)
🏢 Jobtailor
📍 Madrid