Junior Data Scientist — Energy Analytics (Hybrid, Flexible Hours)

Axpo Polska; Województwo mazowieckie; Hybrid; PLN 90,000 - 140,000; Full time

Benefits offered by this job

Full-time contract

International company

Medical care package

Multisport card subsidy

Language classes

Flexible/hybrid work hours

Office in city center

Supportive team

Job summary

Axpo Polska is seeking a Junior Data Scientist to turn energy trading questions into robust analyses, models, and data products. You’ll work with cross-functional teams to strengthen decision-making through high-quality data science.

You bring a bachelor’s in a related field and at least one year of experience, with strong SQL and Python skills. Polish language familiarity is a plus in the local context; hybrid work is available.

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 understanding of data science and ML concepts (model evaluation, clustering).
• Analytical approach with critical-thinking skills to handle complex problems.
• Challenging mindset: questions assumptions and investigates root causes.
• Proactive, self-sufficient and entrepreneurial with stakeholder collaboration.
• Good spoken and written English; Polish knowledge is a plus for local context.

Responsibilities

• Develop, maintain and improve predictive ML models (time-series, regression, classification).
• Translate business questions into analyses, models and data products.
• Work with large-scale data using SQL, Python, GCP and Snowflake to deliver solutions.
• Explore and visualise results (Power BI) and explain findings to stakeholders.
• Check data quality, validate outputs and review code and results.
• Document work clearly for maintainability and handover.
• Contribute to improving processes, performance and efficiency across the business.

Skills

Critical thinking

Data analysis

Communication

Education

Bachelor's degree in data science or related field

Tools

SQL

Python

GCP

Snowflake

Power BI

Job description

Axpo Polska is seeking a Junior Data Scientist to turn energy trading questions into robust analyses, models, and data products. You’ll work with cross-functional teams to strengthen decision-making through high-quality data science.

You bring a bachelor’s in a related field and at least one year of experience, with strong SQL and Python skills. Polish language familiarity is a plus in the local context; hybrid work is available.