Predictive Data Scientist for Marketing Impact & Growth

Sii Poland; Wrocław; On-site; PLN 180,000 - 280,000; Full time

Job summary

Sii Poland is seeking an experienced Data Scientist to join a newly formed analytics team inside a leading global company in the tobacco industry, shaping how data drives consumer strategy and marketing performance. You will focus on predictive modeling, consumer insights and translating analytics into actionable business decisions.

If you want your models to truly ‘move the needle’, this role is for you. You will build models, analyze marketing data, and collaborate with marketing and product

Qualifications

• Minimum 5 years of experience as a Data Scientist.
• Strong proficiency in SQL – ability to write complex queries, join large datasets, and prepare data for modeling.
• Proficiency in Python (pandas, numpy, scikit-learn, statsmodels) – focus on data analysis, modeling, and result validation.
• Experience working with large datasets and ETL processes.
• Ability to work with business data and interpret analytical results.
• Excellent communication in English in an international environment.

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 analytical findings into clear business recommendations
• Deliver analytical outputs together with actionable usage guidance for business teams
• Prepare high-quality presentations, reports and data visualizations for non-technical stakeholders
• Track model performance and measure business impact on marketing KPIs and P&L
• Identify new opportunities for data-driven growth and champion data-based decision-making across the organization

Skills

SQL

Python (pandas, numpy, scikit-learn)

ETL

Business data interpretation

English communication

Job description

Sii Poland is seeking an experienced Data Scientist to join a newly formed analytics team inside a leading global company in the tobacco industry, shaping how data drives consumer strategy and marketing performance. You will focus on predictive modeling, consumer insights and translating analytics into actionable business decisions.

If you want your models to truly ‘move the needle’, this role is for you. You will build models, analyze marketing data, and collaborate with marketing and product