Senior Data Scientist - Predictive Marketing Analytics

Sii Poland; Białystok; On-site; PLN 180,000 - 260,000; Full time

Benefits offered by this job

Great Place to Work

Solid financial situation

Contracts with the biggest brands

Centre of internal trainings

Many experts you can learn from

Open and accessible management team

Profit sharing

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. You will build predictive models, analyze consumer and marketing data, and translate analytics into actionable business decisions that move the needle for marketing performance.

The role emphasizes collaboration with marketing and product teams, delivering high-quality analyses, presentations, and data visualizations to non-technical stakeholders in an international environment.

Qualifications

• Minimum 5 years of experience as a Data Scientist.
• Strong SQL skills to write complex queries and prepare data for modeling.
• Proficiency in Python with data analysis, modeling and validation focus.
• Experience with large datasets and ETL processes.
• Ability to translate results for business users in English.

Responsibilities

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

Skills

SQL

Python

Data analysis

ETL processes

English communication

Tools

Airflow

Data warehouses

Job description

Sii Poland is seeking an experienced Data Scientist to join a newly formed analytics team. You will build predictive models, analyze consumer and marketing data, and translate analytics into actionable business decisions that move the needle for marketing performance.

The role emphasizes collaboration with marketing and product teams, delivering high-quality analyses, presentations, and data visualizations to non-technical stakeholders in an international environment.