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Senior Data Scientist

Senior Data Scientist

DevirePolska
12 days ago
Job description

Your future company

Devire IT Outsourcing  is a form of cooperation dedicated to IT professionals, based on the principles of own business - B2B, implementing projects for clients running innovative and modern projects.

With Our client who is a leading company in the European market offering HR-tech solutions for innovative recruitment, which was recently recognized as a key leader in its industry, we are looking for Senior   Data Scientist.

Requirements

  • At least 4 years of hands-on experience in ML, data science, or a similar role, with demonstrated ownership of deployed ML systems.
  • Strong grasp of core ML techniques : regression, classification, clustering, regularization, ensemble methods, neural networks, etc.
  • Solid experience with Natural Language Processing (NLP) from traditional methods (TF-IDF, topic modeling) to transformer-based architectures (e.g., BERT, GPT, T5).
  • Working knowledge of recommendation engines , such as collaborative filtering, content-based filtering, or hybrid models.
  • Expertise in Python and ML / data libraries such as scikit-learn, xgboost, lightgbm, pandas, numpy, PyTorch or TensorFlow / Keras.
  • Experience with at least one major cloud platform (AWS, Azure, GCP) , including usage of managed ML services or containerized deployment workflows.
  • Understanding of MLOps principles , including reproducibility, model monitoring, A / B testing, and automation.

Responsibilities

  • Design, build, and scale machine learning systems, including recommendation engines and predictive models for real-world business applications.
  • Analyze both structured and unstructured data, applying advanced ML and NLP techniques to extract insights and power intelligent products.
  • Own the end-to-end model lifecycle : from data preprocessing, experimentation, model training, evaluation, and tuning to deployment and continuous monitoring in production environments.
  • Apply MLOps best practices, ensuring reproducibility, versioning, CI / CD integration, and performance monitoring.
  • Translate complex business problems into robust ML solutions in collaboration with product, engineering, and domain experts.
  • Communicate clearly and effectively with both technical and non-technical stakeholders, articulating model behavior, assumptions, and trade-offs.
  • Continuously evaluate and implement state-of-the-art techniques, staying current with developments in ML, NLP, and deep learning.
  • Contribute to team growth, sharing expertise and mentoring peers in modeling, tooling, and system design.

    • The offer

  • Salary : 140-170 PLN net+VAT / h, B2B via Devire
  • Remote work model
  • Benefits : Multisport card, private medical care, life insurance
  • Long-term cooperation
  • Flexible working hours, Polish time zone
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    Senior Data Scientist • Polska