Senior Data Scientist - Predictive ML for Marketing Growth

Sii Poland; Katowice; On-site; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Great Place to Work

Solid financial situation

Centre of internal trainings

Profit sharing

Medical care

Job summary

Sii Poland is seeking an experienced Data Scientist to join a newly formed analytics team in a leading global tobacco industry company. You will build predictive models, derive consumer insights, and translate analytics into actionable business decisions to impact marketing performance.

Responsibilities include collaborating with marketing and product teams, presenting analyses to non-technical stakeholders, and driving data-driven growth across the organization.

Qualifications

• Minimum 5 years of experience as a Data Scientist.
• Strong proficiency in SQL with ability to write complex queries and prepare data for modeling.
• Proficiency in Python (pandas, numpy, scikit-learn) for data analysis and model validation.
• Experience with large datasets and ETL processes.
• Ability to translate analytical results to business actions and communicate in English.

Responsibilities

• Build and optimize predictive models (e.g., churn, propensity, segmentation, CLV, recommendations).
• Analyze consumer and marketing data across multiple sources.
• Model and optimize customer journeys using AI/ML techniques.
• Collaborate with marketing and product teams to define analytical priorities.
• Translate complex analytics into clear business recommendations.
• Deliver outputs with actionable usage guidance for business teams.
• Prepare high-quality presentations and data visualizations for non-technical stakeholders.
• Track model performance and measure impact on KPIs and P&L.
• Identify opportunities for data-driven growth and champion data-based decisions.

Skills

SQL

Python

Data modeling

Big data

English communication

Tools

ETL tools

Job description

Sii Poland is seeking an experienced Data Scientist to join a newly formed analytics team in a leading global tobacco industry company. You will build predictive models, derive consumer insights, and translate analytics into actionable business decisions to impact marketing performance.

Responsibilities include collaborating with marketing and product teams, presenting analyses to non-technical stakeholders, and driving data-driven growth across the organization.