Data Scientist- Experimentation -12+ Months- Netherlands (CR/4023833) Hilversum, Netherlands
Hi All, We are looking for an experienced Data Scientist / Experimentation Analyst to join an exciting project at a global and prominent Fashion and Retail client for a project in the Netherlands
Scope: You will design, implement, and analyse large-scale A/B and multivariate experiments using PySpark and SQL in a distributed data environment.
What You’ll Do
- As a key member of our experimentation team, you will:
- Design, implement, and analyze A/B and multivariate experiments using PySparkand SQL in a distributed data environment.
- Extract, transform, and validate experiment data, applying geo and territory mappings.
- Aggregate metrics at the session level and automate reporting pipelines.
- Develop and optimize statistical testing frameworks (CTR, CVR, ATC, revenue) using Python, pandas, and scipy.
- Apply advanced statistical techniques including Bonferroni correction, Marascuilo procedure, and Welch’s t-test.
- Ensure data quality through de-duplication and outlier handling.
- Integrate experiment assignments from platforms like Adobe Targetand upsert results into Delta Lake
- Collaborate cross-functionally with data engineering and analytics teams to deliver actionable insights.