Senior MMM Data Scientist - Strategy, Analytics & Impact

Capgemini Polska Sp. z o.o.; Warszawa; On-site; PLN 295,000 - 381,000; Full time

Job summary

A leading global consulting firm in Warsaw is seeking a Senior Data Scientist specializing in Marketing Mix Models. The role involves designing and validating models to measure marketing ROI using data science techniques. Candidates should have over 5 years of experience in Data Science and proficiency in Python or R. This position offers a supportive work environment, opportunities for continuous learning, and a variety of benefits including private healthcare and training budgets.

Benefits

Private medical care

Access to training and certification

Life insurance

Sports card options

Qualifications

• 5+ years of experience in Data Science, Econometrics, or Advanced Analytics.
• Proven experience developing and maintaining Marketing Mix Models (MMM) at scale.
• Strong proficiency in Python and/or R for data manipulation, modelling, and visualization.
• Deep understanding of marketing metrics (ROI, CPx, media elasticity, saturation, adstock, etc.).
• Excellent communication and presentation skills in English.

Responsibilities

• Design, build, and validate Marketing Mix Models to quantify marketing impact and ROI across multiple touchpoints.
• Develop robust data pipelines for data ingestion, transformation, and validation across various sources.
• Apply econometric and machine-learning techniques to explain business outcomes.
• Collaborate cross-functionally with marketing, finance, and data engineering teams.
• Automate MMM workflows using Python, R, and cloud-based tools.
• Present insights to senior stakeholders in a clear, business-oriented manner.

Skills

Data Science

Python

R

Marketing Metrics

Statistical Modeling

Communication

Tools

Google

Meta

Salesforce

Adobe

Job description

A leading global consulting firm in Warsaw is seeking a Senior Data Scientist specializing in Marketing Mix Models. The role involves designing and validating models to measure marketing ROI using data science techniques. Candidates should have over 5 years of experience in Data Science and proficiency in Python or R. This position offers a supportive work environment, opportunities for continuous learning, and a variety of benefits including private healthcare and training budgets.