Data Scientist - Predictive Marketing & Consumer Insights

Sii Poland; Bydgoszcz; On-site; PLN 180,000 - 240,000; 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 in Poland is seeking an experienced Data Scientist to join our analytics team and shape data-driven marketing strategies. You will focus on predictive modeling, consumer insights, and translating analytics into actionable business decisions.

The role emphasizes collaboration with marketing and product teams, working with large datasets, ensuring reproducibility, and communicating results in English across an international environment.

Qualifications

• Minimum 5 years of experience as a Data Scientist.
• Strong SQL skills for complex queries and data prep.
• Proficiency in Python for data analysis and modeling.
• Experience with large datasets and ETL processes.
• Ability to communicate analyses in English to non-technical stakeholders.

Responsibilities

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

Skills

5+ years DS

SQL proficiency

Python data science

ETL experience

Business data analysis

English communication

Tools

Pandas

NumPy

Scikit-learn

Statsmodels

Job description

Sii Poland in Poland is seeking an experienced Data Scientist to join our analytics team and shape data-driven marketing strategies. You will focus on predictive modeling, consumer insights, and translating analytics into actionable business decisions.

The role emphasizes collaboration with marketing and product teams, working with large datasets, ensuring reproducibility, and communicating results in English across an international environment.