Hire the Best Microsoft Power BI Specialists in Wroclaw, PL
Wroclaw, Poland
Hi, I’m Jan and I'm a certified Power BI Data Analyst. I build clear, structured, business-ready dashboards and reports that help companies make decisions fast. My work focuses on ETL & data preparation, scalable data models, DAX, and modern visuals that give immediate clarity and direction. ⸻ WHAT I OFFER • Business dashboards with clear KPIs, trends, and action points • One-page executive summaries for fast, data-driven decisions • Sales, finance, and operations reporting designed for clarity & speed • ETL & data cleanup (Power Query) to turn messy sources into usable models • Dashboard redesign and performance optimization ⸻ WHY WORK WITH ME • Microsoft Certified (PL-300 & DP-700) • 7+ years supporting clients in corporate environments • Strong business understanding - not just visuals • Clear communication, structured workflow, and fast delivery • Reports and dashboards built to be maintainable long-term ⸻ TECH STACK Power BI, Power Query (ETL), DAX, SQL, Excel, SharePoint, CSV/Excel data sources. ⸻ REFERENCES “Thanks to Jan’s report, our customer analysis became far more accurate and actionable, leading to a 20% increase in sales.” - Victoria W. “Clear, data-driven dashboard that improved understanding of client behavior.” - Olga K. “We highly recommend Jan as a a competent and reliable expert in data analytics and industrial process visualization.” - David K. References available upon request.
- Microsoft Power BI
- Data Analysis
- Data Visualization
- Power Query
- Data Analysis Expressions
- Data Modeling
- ETL
- Business Intelligence
- KPI Metric Development
- SQL
- Data Cleaning
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