Data Scientist

Chabre · Warsaw, Poland
Location
Warsaw, Poland
Work mode
Remote
Type
Contract
Seniority
Senior
Salary
from 180 PLN / hour
Languages
EN
Posted
6 Nov 2026

Verified open 14 Nov 2026 · Source: Traffit

About the role

Working as a Data Scientist, you will:

  • Develop and implement machine learning algorithms, statistical models and analytical scripts to address specific business challenges.

  • Design and conduct experiments, including A/B testing, apply cross-validation techniques and perform statistical significance testing to validate findings and assess model performance.

  • Support the implementation of regulatory frameworks, including the EU AI Act, by contributing to model risk management, monitoring model drift and bias, and preparing comprehensive documentation.

  • Analyse business and data requirements, identify suitable data sources and design data flows for data collection, transformation and integration.

  • Coordinate and improve data collection, transformation and integration processes in cooperation with IT teams, ensuring data accuracy and consistency.

  • Design and implement data validation and data quality checks, including automated processes.

  • Analyse data and prepare reports, dashboards, visualisations and publications to support data-driven decision-making.

  • Support the development and maintenance of databases containing integrated and validated data.

  • Organise and coordinate user acceptance testing (UAT) for data-related processes and tools.

  • Support data providers and users by developing templates, tools and guidance documentation, as well as assisting with data validation and access-related queries.

  • Contribute to the assessment and implementation of data governance policies, ensuring compliance with applicable requirements for new and existing data collections.

Responsibilities

Our client is a large international public institution operating in a multicultural and multilingual environment. The organisation works with a wide range of stakeholders and focuses on developing and implementing policies and initiatives with a significant impact on society. It places strong emphasis on data-driven decision-making, digital transformation and effective data governance.

Requirements

  • University degree in Computer Science or a related field.
  • A minimum of 7 years of professional experience in data analysis or data science.
  • At least 1 year of experience working with data management and visualisation tools in the agricultural sector.
  • At least 2 years of hands-on experience with Power BI, R and Python, particularly in data visualisation, trend and anomaly detection, and database environment comparisons.
  • At least 2 years of experience using R, Python and SQL, including working with SQL Developer and Excel.
  • At least 2 years of experience accessing and retrieving data through APIs.
  • Excellent English skills
  • Rate up to 180,00 PLN/h + VAT
  • Remote work
  • Subsidy for peripherals in the amount of 500,00zł
  • Working tool (MacBook Pro or Lenovo Legion 5)
  • Co-financing of courses related to the position
  • Benefits: MultiSport, Medicover

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