Remote Data Scientist: Predictive Modeling & ML Leader

Sii Sp. z o.o.; Białystok; On-site; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Great Place to Work

Profit sharing

Private healthcare

Remote work option

Training platform

Modern offices

Job summary

Sii Sp. z o.o. in Białystok is seeking an experienced Data Scientist with ML expertise to join a newly formed analytics team. You will build predictive models, analyze marketing data, and translate analytics into actionable business recommendations for global clients.

You will collaborate with marketing and product teams, ensure high-quality analyses, and communicate results in English in an international environment. A strong SQL/Python skillset and hands-on ETL experience are essential.

Qualifications

• Minimum 5 years of experience as a Data Scientist.
• Strong proficiency in SQL and complex queries.
• Proficiency in Python with libraries such as pandas, numpy, scikit-learn, statsmodels.
• 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).
• 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 analytical findings into clear business recommendations.
• Deliver analytical outputs together 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 across the organization.

Skills

SQL

Python

ETL

Machine Learning

Predictive Models

Tools

Pandas

NumPy

Scikit-learn

Statsmodels

Job description

Sii Sp. z o.o. in Białystok is seeking an experienced Data Scientist with ML expertise to join a newly formed analytics team. You will build predictive models, analyze marketing data, and translate analytics into actionable business recommendations for global clients.

You will collaborate with marketing and product teams, ensure high-quality analyses, and communicate results in English in an international environment. A strong SQL/Python skillset and hands-on ETL experience are essential.