First seen by Alion on Oct 26, 2026.
You will join a BI team working with operational data from across the organisation: costs, usage, maintenance, employee surveys. We need a Senior Power BI developer to take over dashboards and data models for the duration of approx. 13 months (Nov 26-Jan 28).
Your responsibilities
Develop and maintain interactive Power BI dashboards
Design and optimise data models in Power BI
Own data governance: performance monitoring, data quality, keeping datasets current
Integrate data from multiple sources
Work with data engineers and business stakeholders to turn questions into actionable insights
Must have
Strong hands-on experience in Power BI dashboard development
Proficiency in DAX
Solid SQL and experience with time-series analysis
Good grasp of data visualisation and an eye for UX / data design
Strong analytical and mathematical skills
Self-driven, able to work independently and own your area
Clear communication with both technical and non-technical people
Nice to have
Python
SAP BW / Datasphere
Version control (Git), CI/CD, collaborative development workflows
What we offer
B2B contract
180–230 PLN net per hour
Hybrid work in Warsaw
Recruitment process
Application review
Interview
Decision
Tech stack
- Power BI
- DAX
- SQL
- Python
- SAP Datasphere
- SAP BW

