Senior MMM Data Scientist — Drive Marketing ROI with AI

Capgemini Polska Sp. z o.o.; Poznań; On-site; PLN 120,000 - 160,000; Full time

Job summary

A leading technology consulting firm in Poland seeks a Senior Data Scientist to drive data-driven insights and marketing effectiveness. The ideal candidate will have over 5 years of experience in Data Science and strong proficiency in Python and R. Responsibilities include building Marketing Mix Models, developing data pipelines, and collaborating across teams to quantify marketing impact. This position offers competitive benefits and a commitment to a stable work environment.

Benefits

Private medical care

Life insurance

Access to training tracks

Award-winning culture and stability

Qualifications

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

Responsibilities

• Design, build, and validate Marketing Mix Models to quantify marketing impact.
• Develop data pipelines for data ingestion and transformation.
• Apply econometric and machine learning techniques to explain business outcomes.
• Collaborate with marketing, finance, and data engineering teams.
• Automate MMM workflows using Python, R, and cloud tools.
• Present insights to senior stakeholders clearly.

Skills

Data Science

Econometrics

Advanced Analytics

Python

R

Statistical Modelling

Machine Learning

Excellent Communication

Tools

Google

Meta

Salesforce

Adobe

AWS

GCP

Azure

Job description

A leading technology consulting firm in Poland seeks a Senior Data Scientist to drive data-driven insights and marketing effectiveness. The ideal candidate will have over 5 years of experience in Data Science and strong proficiency in Python and R. Responsibilities include building Marketing Mix Models, developing data pipelines, and collaborating across teams to quantify marketing impact. This position offers competitive benefits and a commitment to a stable work environment.