07/11/2026 updated

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100 % available

Business Intelligence Specialist | Power BI Developer

Hlohovec, Trnava Region, Slovakia, Slovakia
Germany +6
info: Germany, Austria, Switzerland, Liechtenstein, Luxembourg, Poland, Czech Republic
Bachelor : Buchhaltung, Master : Statistik
Hlohovec, Trnava Region, Slovakia, Slovakia
Germany +6
info: Germany, Austria, Switzerland, Liechtenstein, Luxembourg, Poland, Czech Republic
Bachelor : Buchhaltung, Master : Statistik

About me

Graduated accountant and statistician | BI Developer Experienced in: ⚪ Gathering, cleaning, and transforming data using M and SQL ⚪ Data modeling ⚪ Data analysis using Excel and DAX ⚪ Data visualisation ⚪ Teaching and consulting ⚪ Automating Excel tasks with VBA and PQ ⚪ Accounting

AccountingData AnalysisBusiness IntelligenceBusiness Process ImprovementConsultingData CleansingData IntegrityExtract Transform Load (ETL)Data ModelingData VisualizationExcel FormulasExcel Pivot TablesFinancial AccountingMySQLVisualizationMicrosoft Power BIProcess AutomationSQL DatabasesStatisticsTechnical Data Management SystemsWorkflowsPowerqueryStar Schema
Education
Accounting & Statistics
Professional Experience
Financial Accounting
Process Automation & Reporting
Data Analysis
Business Intelligence (Power BI Developer)
Technical Expertise
Tools:
Power BI (Advanced DAX & Power Query)
SQL (Data querying and manipulation)
Microsoft Excel
Core Competencies:
ETL Processes (Data Cleaning & Transformation)
Data Modeling (Star Schema, Relationships)
Data Analysis & Visualization
Soft Skills
Analytical Thinking: Translating complex data into actionable insights.
Continuous Improvement: Optimizing workflows and legacy processes.
Problem Solving: Finding creative solutions to technical bottlenecks.
Communication & Consulting: Bridging the gap between technical data and business stakeholders.
Attention to Detail: Ensuring data integrity and reporting accuracy.

Experience

Professional experience0 - 5 years
Freelancer since2023

Languages

GermanFluentEnglishGoodSlovakNative speaker

Project history

Senior Specialist | Power BI

Brigital BV

Internet & IT

10-50 team member

BI & Data Analyst

MetaApp

Internet & IT

10-50 team member

Power BI Developer | Consultant

TB Net

Internet & IT

< 10 team member

• Entwicklung neuer Power BI-Berichte gemäß Kundenanforderungen
• Sicherstellung einer qualifizierten und lösungsorientierten Kundenberatung
• Entwicklung anspruchsvoller DAX-Formeln zur Durchführung komplexer Analysen, wie etwa dynamische Segmentierungen von Kunden und Produkten, Prognosemodelle sowie Cross-Selling-Auswertungen

Power BI Developer

Market Vision

Marketing, PR and design

50-250 team member

• SQL-Datenbanken abfragen, um relevante Daten zu extrahieren
• Daten mit Power Query und M-Sprache transformieren und bereinigen
• Datenmodell definieren und erstellen (vorzugsweise Sternschema)
• Kommunikation mit Kunden, Fachabteilungen, IT und Management
• Komplexe DAX-Metriken für fortgeschrittene Datenanalysen entwickeln (dynamische Klassifizierungen, Zeitintelligenz-Berechnungen, Pareto-Analysen usw.)
• Power BI-Berichte für Management, Stakeholder, Banken und Versicherungen erstellen
• Externe Tools zur Steigerung der Produktivität, zur Modellbereinigung und zur Einhaltung von Best Practices einsetzen
• Row-Level Security (RLS) Regeln definieren und implementieren, um den Datenzugriff einzuschränken

Certificates

Joining Data in SQL

Datacamp

2023

Data Manipulation with Pandas

Datacamp

2023

Mastering DAX

SQL BI

2022

Advanced Data Analytics in Power BI

Enterprise DNA

2021

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