Senior Data Scientist: Predictive Modeling for Marketing

Sii Poland; Wrocław; On-site; PLN 180,000 - 250,000; Full time

Benefits offered by this job

Great Place to Work

Centre of internal trainings

Profit sharing

Medical care

Regular integration events and trips

Open and accessible management team

Job summary

Sii Poland is seeking an experienced Data Scientist to join our analytics team in Wrocław. You will build predictive models, generate consumer insights, and translate analytics into business actions that move the needle in marketing performance.

Work in a global company of the tobacco industry, focused on data-driven strategy, model governance, and collaboration with marketing and product teams to define analytical priorities.

Qualifications

• 5+ years of experience as a Data Scientist.
• Strong proficiency in SQL with complex queries and large datasets.
• Proficiency in Python for data analysis, modeling and validation.
• Experience with large datasets and ETL processes.
• Ability to interpret analytical results for business use.
• Attention to code quality and reproducibility of analyses.
• Ability to communicate in English in international environments.

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 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.

Skills

SQL

Python (pandas/numpy)

ETL processes

Data interpretation

Code quality

English communication

Job description

Sii Poland is seeking an experienced Data Scientist to join our analytics team in Wrocław. You will build predictive models, generate consumer insights, and translate analytics into business actions that move the needle in marketing performance.

Work in a global company of the tobacco industry, focused on data-driven strategy, model governance, and collaboration with marketing and product teams to define analytical priorities.