Data Scientist: Elevate Insights with Python & Cloud Platforms

Sii Poland; Wrocław; On-site; PLN 120,000 - 180,000; Full time

Benefits offered by this job

Great Place to Work

Centre of internal trainings

Profit sharing

Medical care

Job summary

Sii Poland in Wrocław is seeking a data scientist who turns ambiguous business questions into models and analyses that get used. You will frame problems, wrangle data, build and validate models using Python stack (pandas, NumPy, scikit-learn), and explain results to non-technical stakeholders.

You'll work with modern platforms like Microsoft Fabric, Palantir Foundry, and cloud providers. The role offers AI-related programs, access to tools such as Claude, Cursor, and GitHub Copilot, and diverse

Qualifications

• At least 4 years in data science or applied analytics.
• Strong Python skills across the standard data stack (pandas, NumPy, scikit-learn).
• Solid statistical foundations: hypothesis testing, regression, experimental design.

Responsibilities

• Translate business problems into analytical solutions: define hypotheses, choose metrics, and select the right modeling approach.
• Explore, clean, and prepare data using Python (pandas, NumPy).
• Build, validate, and tune machine learning models for classification, regression, forecasting, segmentation, and recommendation.
• Design and analyze experiments: A/B tests, statistical hypothesis testing, and causal analysis.

Skills

Python data stack

Statistical analysis

Communication with stakeholders

English language

Tools

Azure

AWS

GCP

Snowflake

Databricks

Palantir Foundry

Job description

Sii Poland in Wrocław is seeking a data scientist who turns ambiguous business questions into models and analyses that get used. You will frame problems, wrangle data, build and validate models using Python stack (pandas, NumPy, scikit-learn), and explain results to non-technical stakeholders.

You'll work with modern platforms like Microsoft Fabric, Palantir Foundry, and cloud providers. The role offers AI-related programs, access to tools such as Claude, Cursor, and GitHub Copilot, and diverse