Data Scientist

Chabre; Warszawa; On-site; PLN 205,000 - 291,000; Full time

Benefits offered by this job

Rate up to 180 PLN/h

Peripherals subsidy 500 PLN

MacBook Pro / Lenovo Legion 5

Course subsidies

Job summary

Chabre IT Services seeks a data science specialist to develop ML models, run experiments, and ensure data governance for a major international public institution in Warsaw. You will design data flows, validate data, and prepare reports to support data-driven decisions.

Proficiency in Python, R, SQL and APIs is essential, with experience in data visualization and agriculture data a plus; collaboration with IT teams is required.

Qualifications

• 7+ years of professional experience in data analysis or data science.
• Experience in data management and visualization tools in the agricultural sector.
• 2+ years with Power BI, R, Python for visualization, trend and anomaly detection.
• 2+ years using R, Python and SQL, incl. SQL Developer and Excel.
• 2+ years of experience accessing data via APIs.

Responsibilities

• Develop and implement ML algorithms and statistical models.
• Design experiments and A/B testing; apply cross-validation and significance testing.
• Support data governance and regulatory compliance efforts.
• Coordinate data collection, transformation, and data flows with IT teams.
• Prepare dashboards, reports and visualisations to support data-driven decisions.
• Organise UAT for data-related processes and tools.
• Develop guidance documentation and templates for data validation and access.

Skills

Power BI

R

Python

SQL

APIs

Data visualization

Data analysis

Excel

Education

Bachelor's degree in Computer Science

Tools

SQL Developer

Excel

Job description

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.

Chabre IT Services is a global professional IT services provider, building long-lasting relationships with Enterprises. We specialize in the delivery of tailor‑made solutions, smart outsourcing, try&hire, and success fee services. We are a smart IT boutique with unique knowledge, which will deliver your ideas into reality.

About our Client

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.

Qualifications

• 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.

We offer

• Rate up to180,00 PLN/h + VAT
• 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