{"id":2850421,"url":"https://alion.io/job/axpo-junior-data-scientist-fmd","title":"Junior Data Scientist (f/m/d)","company":{"id":453589,"name":"Axpo","domain":"axpo.com","url":"https://alion.io/company/axpo-2","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Teamtailor","truth_index":{"grade":"A","score":85,"open_postings":15,"ghost_share":0,"stale_share":0.6,"repost_share":0,"time_to_fill_p50_days":51,"computed_at":"2026-10-28T05:59:10Z"}},"role":"Data Science","role_family":"Data Science","seniority":"junior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Warsaw, Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":34000,"max_usd":85000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":12},"experience_years_min":1,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"GCP","optional":false},{"name":"Power BI","optional":false},{"name":"Python","optional":false},{"name":"Snowflake","optional":false},{"name":"SQL","optional":false},{"name":"Time Series","optional":false}],"status":"live","first_seen_at":"2026-10-14T07:44:42Z","employer_posted_date":"2026-10-14","last_verified_at":"2026-10-28T18:40:26Z","board_verified":true,"closed_at":null,"days_open":14,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":14},"description":"Turn complex energy questions into clear, data-driven decisions\nAre you analytical, curious and motivated by solving challenging problems? Join Axpo Polska as a Junior Data Scientist and help turn commercial and trading questions from the Polish energy and gas business into robust analyses, models and data products.\nYou’ll work with colleagues across the business to strengthen decision-making through high-quality data science. You bring critical thinking, a constructive, questioning mindset and the determination to work through complex issues-not just produce numbers, but understand what they mean and communicate the insight clearly.\nWhat you’ll do\nDevelop, maintain and improve predictive machine-learning models, including time-series, regression and classification models.\n\nTranslate commercial and trading questions into analyses, models and practical data products.\n\nWork with large-scale data and use tools such as SQL, Python, GCP and Snowflake to deliver reliable analytical solutions.\n\nExplore and visualise results, including with Power BI, and explain findings to technical and business stakeholders.\n\nCheck data quality, validate analytical outputs and critically review code and model results.\n\nDocument your work clearly so that analyses and models can be understood, maintained and handed over effectively.\n\nContribute to improving processes, performance and efficiency across the business.\n\nWhat you’ll bring\nA bachelor’s degree in data science, mathematics, IT, economics, finance, energy or a related field.\n\nAt least one year of experience in data science or a similar analytical role.\n\nStrong SQL skills, including practical knowledge of query optimisation.\n\nPractical Python skills and a sound understanding of data science and machine-learning concepts, such as model evaluation, clustering and common model types.\n\nAn analytical approach, strong critical-thinking skills and confidence working through complex, ambiguous problems.\n\nA challenging mindset: you question assumptions, investigate root causes and look for better ways to solve problems.\n\nA proactive, self-sufficient and entrepreneurial approach, with a can-do attitude and the ability to work well with multiple stakeholders.\n\nGood spoken and written English. Polish is relevant for the local business context; knowledge of the Polish energy and gas industry is an advantage.\n\nWhat we offer\nFull-time employment contract.\n\nDevelopment in an international company that is shaping the face of the energy market.\n\nA progressive medical care package that takes care of your health and well-being.\n\nCo-financing of the Multisport card, enabling the use of various forms of physical activity.\n\nForeign language classes during working hours.\n\nFlexible working hours and the possibility to work in hybrid mode.\n\nAn office with a beautiful view, located in the city center.\n\nA motivated team, ready to guide you through your daily challenges.\n\nDetails about the salary range for this position and other components of the compensation package will be provided in the following stages of the recruitment process.\nReady to put your analytical mindset to work on complex energy challenges? We look forward to hearing from you.\nAt Axpo Group, we are dedicated to fostering a culture of non-discrimination, tolerance, and inclusion. As an equal opportunity employer, we welcome applications regardless of race and ethnicity, gender identity and expression, sexual orientation, age, disability, as well as socioeconomic, cultural, and religious background. 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