Junior Data Scientist — Energy Analytics & ML (Hybrid)

Axpo Group; Województwo mazowieckie; Hybrid; PLN 60,000 - 90,000; Full time

Benefits offered by this job

Full‑time contract

International company shaping energy

Medical care package

Multisport card co‑financing

Language classes

Hybrid work mode

Office in city center

Job summary

Axpo Polska is looking for a Junior Data Scientist to turn complex energy and trading questions into robust analyses, models and data products. You’ll work across functions to strengthen decision‑making through high‑quality data science and clear communication of insights.

You will build and evaluate models, ensure data quality, and collaborate with stakeholders to deliver practical analytical solutions in a hybrid, international company.

Qualifications

• A bachelor’s degree in data science, mathematics, IT, economics, finance, energy or a related field.
• At least one year of experience in data science or a similar analytical role.
• Strong SQL skills, including practical knowledge of query optimisation.
• Practical Python skills and a sound understanding of data science and machine‑learning concepts, such as model evaluation, clustering and common model types.
• Analytical approach, strong critical‑thinking skills and confidence working through complex, ambiguous problems.
• A proactive, self‑sufficient and entrepreneurial approach, with a can‑do attitude and the ability to work well with multiple stakeholders.
• Good spoken and written English. Polish is relevant for the local business context; knowledge of the Polish energy and gas industry is an advantage.

Responsibilities

• Develop, maintain and improve predictive machine-learning models, including time‑series, regression and classification models.
• Translate commercial and trading questions into analyses, models and practical data products.
• Work with large-scale data and use tools such as SQL, Python, GCP and Snowflake to deliver reliable analytical solutions.
• Explore and visualise results, including with Power BI, and explain findings to technical and business stakeholders.
• Check data quality, validate analytical outputs and critically review code and model results.
• Document your work clearly so that analyses and models can be understood, maintained and handed over effectively.
• Contribute to improving processes, performance and efficiency across the business.

Skills

Analytical thinking

Critical thinking

Problem solving

Communication

Education

Bachelor's degree in data-related field

Tools

SQL

Python

Snowflake

GCP

Power BI

Job description

Axpo Polska is looking for a Junior Data Scientist to turn complex energy and trading questions into robust analyses, models and data products. You’ll work across functions to strengthen decision‑making through high‑quality data science and clear communication of insights.

You will build and evaluate models, ensure data quality, and collaborate with stakeholders to deliver practical analytical solutions in a hybrid, international company.