Mohamed (Omar) A.
Full Stack Data Professional (Freelance)
Experience
Full Stack Data Professional (Freelance)
Alpha Calcit GmbH
- Harmonized multi-entity data models
- Unified, governed Power BI reporting
- Implemented Microsoft Fabric, Tableau, Excel, T-SQL, Teradata, R, Python, Qliksense
Senior Data Analyst Business Objects Universe Designer
Trei GmbH
- Built a Fabric-based BI platform - governed, certified semantic models. BPMN 2.0 product requirement document
- Shipped executive Power BI dashboards - DAX, RLS, incremental refresh
- Defined KPIs with stakeholders - data contracts, quality checks, lineage
- Enabled ESG reporting - CSRD/ESRS-aligned, automated data capture
- Established Dev/Test/Prod and Git CI/CD for Fabric/Power BI
Power BI Expert (Freelance)
Smart Management Solutions
- Data modelling and development of a finance report with Power BI
Senior Business Analyst
Vodafone GmbH
- Consolidating several datasources for centralized sales reporting
- Business insights through Tableau reports and data visualization
- Programmatic process automation
Data / Business Analyst
Rydoo
- Development of the product - Insights Module - based on Power BI
- Requirement assessment for data and dashboards/reports
- Ad-hoc analysis / reports via Power BI, T-SQL, Python and R
Marketing Business Analyst
Schneider Electric Operations Consulting GmbH
- KPI development as well as finance-, business- and market analysis
- Ad-hoc analysis and presentation for management
- Development of performance dashboards with regard to country specific requirements
- Creation, maintenance and automation of analysis with Excel and Power BI
Senior Business Analyst
Vodafone GmbH
Summary
I have built robust data environments by harmonizing multi-entity data models and implementing tools such as Microsoft Fabric, Power BI, Tableau, Excel, T-SQL, Teradata, R, Python, and Qliksense. My work spans creating governed and certified semantic models, automating data capture for ESG reporting, and developing executive dashboards with clear KPIs and data lineage.
I specialize in unifying data from multiple sources to deliver clear insights and scalable solutions for finance, sales, and marketing. My analytical background and hands-on approach help me drive operational improvements while focusing on reliability and user-focused reporting.
Languages
Education
University of Cologne
B.Sc. in Economics, Minor in Business Administration · Economics · Cologne, Germany
Certifications & licenses
MS Fabric DP-600
Power BI DP-300
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