About this role
Data Scientist at Assaia International AG. Location: Spain. Role: training models, building datasets, monitoring performance Requirements: 5+ years applied ML experience building datasets and sequential/temporal models, strong Python engineering, SQL, production model ownership, feature engineering, validation design, and B2+ English. Category: Data and Analytics Seniority: Senior Level Tools: Python, SQL, pandas, polars, numpy, pyarrow, CatBoost, XGBoost, pydantic, attrs, Docker, Kubernetes, Git, poetry/uv, Claude Code, Codex, PyTorch Commitment: Full Time Workplace: Remote Languages: English