About this role
Director, Data Science: Data Science Tools at Liberty Mutual. Location: Boston or Portsmouth or Seattle or Columbus or Plano. Role: building tools, owning roadmaps, maintaining packages Requirements: Experienced data scientist with multi-year experience building Python-based ML tooling, pipelines, and internal packages; familiarity with MLOps, AI/LLM agent frameworks, workflow tools, and software engineering practices. Category: Data and Analytics Seniority: Senior Level Tools: Python, MCP, RAG, PydanticAI, LangChain, Luigi, Airflow, Celery, MLflow, H2O, scikit-learn, Optuna, LightGBM, Pydantic, FastAPI, uv, ruff, pytest, Git, Bash, pre-commit, Databricks, Streamlit, Dash, NiceGUI, Plotly Commitment: Full Time Workplace: Hybrid Languages: English