Description
Mercado Libre is hiring a Senior Data Scientist to lead end-to-end LLM training data initiatives, including data curation, synthetic data generation, ablation experiments, and model-impact analysis. The role requires text data engineering with Python, BigQuery, and large-scale ETL pipelines, experimental data science experience, independent initiative leadership, and familiarity with deep learning and LLM tools such as HuggingFace or vLLM. The position is hybrid and based in Bogotá, Colombia.

