ML-Driven Data Scientist for Marketing Analytics

Sii Poland; Województwo kujawsko-pomorskie; 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 is seeking an experienced Data Scientist to join a newly formed analytics team inside a leading global company in the tobacco industry, focusing 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 and optimize predictive models, analyze consumer and marketing data across multiple sources, and translate complex analytics into clear business

Qualifications

• Minimum 5 years of experience as a Data Scientist.
• Strong proficiency in SQL – write complex queries and prepare data for modeling.
• Proficiency in Python with libraries like pandas, numpy, scikit-learn.
• Experience with large datasets and ETL processes.
• Ability to translate analyses into business actions and communicate in English.

Responsibilities

• Build and optimize predictive models (e.g., churn, propensity, segmentation, CLV and 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 analytics 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 impact on marketing KPIs and P&L.
• Identify new opportunities for data-driven growth and advocate data-based decisions.

Skills

SQL

Python

ETL processes

Data interpretation

Communication in English

Tools

SQL Server

PostgreSQL

Airflow

Pandas

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, focusing 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 and optimize predictive models, analyze consumer and marketing data across multiple sources, and translate complex analytics into clear business