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(Senior) BI Specialist with Python
  • Poznan
(Senior) BI Specialist with Python
Poznań, Poznan, Polska
HAYS POLAND Sp. z o.o.
11. 6. 2026
Informacje o stanowisku

Contract of Employment  (UoP) - only
Hybrid work from Poznań- at least twice a month from the office 

We are looking for a Senior Data Analyst to join a dynamic global Data Analytics team and collaborate with key stakeholders across CRM, Retail, Brand, e-commerce, Finance, and Supply Chain.
The role is based in Poznań, Poland, with a functional reporting line to the company’s global headquarters. In this position, you will transform complex data into actionable insights that support strategic decision-making and drive measurable business impact.

You will also play an important role in fostering a data-driven culture and contribute to a strategic initiative focused on modernizing the organization’s data platform to ensure scalability and future readiness.

Key Responsibilities
  • Design and develop Power BI solutions, including datasets, star-schema models, DAX measures, and dashboards
  • Deliver high-quality ad-hoc analyses and translate business needs into clear insights and recommendations
  • Collaborate with global stakeholders, align on KPIs and definitions, and present findings to senior leadership
  • Improve data quality, enhance transformation layers, and ensure consistency across reporting
  • Automate recurring analyses and optimize processes for efficiency
  • Perform advanced analytics such as segmentation, cohort analysis, and marketing effectiveness
  • Enable self-service analytics by empowering business teams to leverage data independently
  • Promote a data-driven mindset across the organization
  • Contribute to a global data transformation initiative and the evolution of the analytics ecosystem


Experience:
  • 5+ years of experience in Business Analytics or Business Intelligence
  • Strong hands-on experience with Power BI

Technical Skills:
  • Advanced SQL (BigQuery is a plus)
  • Strong knowledge of DAX and data modeling
  • Python for advanced analytics (preferred)
  • Experience with cloud platforms (GCP or Azure), Databricks, and Git
  • Familiarity with QlikView is a plus

Analytical Expertise:
  • Power BI development and dashboard design
  • Data modeling (star schema, semantic layer optimization)
  • Advanced analytics (segmentation, cohort analysis, marketing analytics)
  • Process automation and optimization

Soft Skills:
  • Excellent data storytelling and communication skills
  • Strong stakeholder management in a global environment
  • Ability to prioritize and align business needs and KPIs
  • Passion for promoting data-driven decision-making
  • Experience supporting organizational change and adoption of new tools
  • Strong presentation skills with the ability to influence decision-makers
  • English min. B2

What you need to do now
If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.
Hays Poland sp. z o.o. is an employment agency registered in a registry kept by Marshal of the Mazowieckie Voivodeship under the number 361.

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