Senior ML Data Scientist — Predictive Marketing Analytics

Sii Poland; Łódź; On-site; PLN 180,000 - 300,000; Full time

Benefits offered by this job

Great Place to Work

Profit sharing

Contracts with the biggest brands

Centre of internal trainings

Many experts you can learn from

Open and accessible management team

Passion Sponsorship program

Regular integration events and trips

Comfortable and well-equipped offices

MySii app

Medical care

Job summary

Sii Poland is seeking an experienced Data Scientist to join a newly formed analytics team within a leading global company in the tobacco industry. You will drive predictive modeling, consumer insights, and translate analytics into actionable business decisions to move the needle.

The role focuses on churn, propensity, segmentation, CLV, and recommendations, collaborating with marketing and product teams to set analytical priorities and deliver impactful insights for business leaders.

Qualifications

• Minimum 5 years of experience as a Data Scientist.
• Strong proficiency in SQL with ability to write complex queries.
• Proficiency in Python (pandas, numpy, scikit-learn) for analysis and modeling.
• Experience with large datasets and ETL processes.
• Ability to communicate 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 with actionable guidance for business teams.
• Prepare high-quality presentations and data visualizations for non-technical stakeholders.
• Track model performance and measure impact on marketing KPIs and P&L.
• Identify opportunities for data-driven growth and champion data-based decisions.

Skills

SQL

Python

ETL

Data analysis

English communication

Job description

Sii Poland is seeking an experienced Data Scientist to join a newly formed analytics team within a leading global company in the tobacco industry. You will drive predictive modeling, consumer insights, and translate analytics into actionable business decisions to move the needle.

The role focuses on churn, propensity, segmentation, CLV, and recommendations, collaborating with marketing and product teams to set analytical priorities and deliver impactful insights for business leaders.