Description
Propio is hiring an Applied Scientist/Research Engineer focused on LLM training data. The role owns the data strategy, curation pipelines, annotation workflows, quality control, evaluation datasets, and post-training data for multilingual and multimodal AI systems. Responsibilities include building scalable data pipelines, designing annotation and QA processes, analyzing model failure modes, and improving LLM performance through targeted data acquisition, curation, and synthetic data generation. The role requires a relevant master’s degree or equivalent practical experience, at least four years of AI or LLM data experience, strong Python and SQL skills, and familiarity with AWS data and machine learning tools.
