07/28/2026 updated

DN
100 % available

IT Consultant / Data Expert / Power BI Expert

Varna, Bulgaria
Worldwide
Varna, Bulgaria
Worldwide

Profile attachments

Darko_Nikolov_CV_aktuell_Taggenau_23.07.26_englisch_Ohne anhang.pdf

Data AnalysisBusiness IntelligenceBusiness Intelligence DevelopmentInformation Technology ConsultingData ArchitectureData ControlData IntegrationExtract Transform Load (ETL)Data MigrationData WarehousingIntelligence AnalysisData IntelligenceMicrosoft Power BISQL DatabasesSQL Server Business IntelligencePowerquery
➢ End-to-end Development of Business Intelligence Solutions
➢ Design and Implementation of ETL Processes and Data Pipelines
➢ Development of Interactive Reports and Dashboards using Power BI
➢ Data Modeling, Transformation, and Validation
➢ SQL Query Development and Advanced DAX Programming
➢ Automation and Optimization of Reporting Processes
➢ Requirements Analysis and Stakeholder Coordination
➢ Project and Process Management in BI Environments
➢ Migration and Integration of Data Sources and Systems
➢ Performance Optimization of Reports, Queries, and Data Models
➢ Creation of KPI Frameworks and Management Reports
➢ Preparation of Technical Concepts, Proposals, and Pre-project Analysis
➢ Technical Documentation and User Support
➢ Client-specific Dashboard and Analytics Solutions
➢ Process Management
➢ Creation and Visualization of Data Reports and Dashboards via Power BI
➢ Design, Development, and Maintenance of BI Solutions
➢ Overall Project Leadership
➢ Preparation of Proposals and Pre-project Analysis
➢ Writing SQL Queries and DAX Programming
➢ Creation of Personal and Customer-specific Dashboards
➢ Migration

Experience

Professional experience10+ years
Freelancer since2026

Languages

GermanNative speakerEnglishFluent

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