Data Engineer: Build Clean, Versioned ML Datasets

Harmattan AI is seeking a Data Engineer to own the data layer for deep-learning pipelines in Paris, Lausanne, or Zurich. You will transform terabytes of raw, unstructured data into clean, versioned, training-ready datasets so modelers can focus on model design and training.

The role emphasizes ingestion, curation, labeling workflows, and reproducible data lineage, with collaboration across acquisition, annotation, and product teams.