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Data Scientist Miejsce pracy: Kraków Technologies we use Expected SQL Python Optional Apache Spark AWS Microsoft Azure Google Cloud Platform TensorFlow PyTorch Keras Optuna Polars Operating system Windows About the project Do you want to work on end-to-end projects that truly impact business decisions? We’re looking for a Data Scientist who can turn data into real business value and implement innovative solutions. Your responsibilities Design and implement machine learning models (predictive, classification, segmentation, recommendation, optimization, NLP). Perform data analysis, exploration, and prepare datasets for modeling. Prototype and test analytical approaches. Develop and deploy production-grade ML solutions. Collaborate with clients: requirements analysis, presenting concepts and results. Stay up to date with new technologies, libraries, and ML trends; propose innovative solutions Note: Detailed project information will be shared during the recruitment process. Our requirements University degree in quantitative fields (econometrics, mathematics, computer science, quantitative methods) Minimum 3 years of experience as a Data Scientist in commercial projects Strong data processing skills (SQL, Python) Solid knowledge of ML algorithms and hands-on implementation in Python Very good command of Python (OOP, code optimization) Ability to communicate with business stakeholders and present results clearly Languages & tools: Python, Jupyter/Zeppelin, SQL, Spark (PySpark) Libraries: Pandas, Numpy, Scikit-learn, Scipy, XGBoost Optional Nice to have: TensorFlow, PyTorch, Keras, Optuna, Polars End-to-end project delivery experience: from concept to deployment Experience in NLP, LLM, or Generative AI projects Work with large-scale datasets (Apache Spark) Familiarity with cloud platforms (AWS, Azure, GCP) This is how we organize our work This is how we work at the clients site agile scrum This is how we work on a project Continuous Deployment Continuous Integration What we offer Flexible cooperation model – choose the form that suits you best (B2B, employment contract, etc.) Hybrid work setup – 5 days per month in Kraków office Collaborative team culture – work alongside experienced professionals eager to share knowledge Continuous development – access to training platforms and growth opportunities Comprehensive benefits – including Interpolska Health Care, Multisport card, Warta Insurance, and more High quality equipment – laptop and essential software provided Benefits sharing the costs of sports activities private medical care sharing the costs of professional training & courses life insurance Joining this project you’ll become part of Mindbox – a tech-driven company where consulting, engineering, and talent meet to build meaningful digital solutions. We’ll back you up every step of the way, accelerate your development, and ensure your skills make a difference. Mindbox Sp. z o.o. At Mindbox, we connect top IT talents with technology projects for leading enterprises across Europe. Our focus is on matching your skills with work that matters – projects that use modern tech stacks, solve real business challenges, and give you space to grow. By joining us, you’ll deliver technology solutions for well-known brands, supported by the Mindbox team that values knowledge-sharing and continuous development. We make sure you have the tools, flexibility, and guidance to do your best work – and to keep moving forward in your career.