5+ years of hands-on experience in a data science, data engineering, data analyst, analytics engineering, or ML role Expert SQL skills (analytic window functions, CTEs, advanced join techniques) Expertise with Python or R for data analysis and automation Expertise with at least one data visualization tool, preferably Looker Experience with Cloud data platforms, DevOps, MLOps (AWS, GCP, Azure) Knowledge of data orchestration tools (Airflow, Prefect, dbt, Dagster, etc.) Experience with ML frameworks (scikit-learn, TensorFlow, PyTorch) Experience with version control (Git) and software engineering best practices Familiarity with marketing analytics, retail, and econometric principles Understanding of basic statistics Ability to communicate technical concepts to non-technical stakeholders