02/16/2026 updated
100 % available
Senior Data Quality Lead & BI Specialist
Margraten, Netherlands
Worldwide
Bachelor degree, Information ManagementAbout me
Senior professional with a hybrid expertise in SQL Data Analysis, ETL Processes, and Quality Assurance Strategy. Proven track record of bridging the gap between data engineering & business decision-making. Expert in validating complex data migrations and building trusted reporting ecosystems
Agile MethodologyData AnalysisFinancial Data AnalysisAtlassian JiraAutomationTest AutomationMicrosoft AzureBusiness IntelligenceBug ManagementManagement and Business ConsultingStrategic ManagementCapital MarketsComputer ProgrammingData GovernanceExtract Transform Load (ETL)
Data Analysis & Business Intelligence
Advanced expertise in SQL, PowerBI, DAX, Tableau, ETL processes, data warehousing, data modeling, and data governance for comprehensive business intelligence solutions
Quality Assurance & Testing
Comprehensive knowledge in Azure Test Plans, UAT coordination, defect management, API testing, risk-based testing, and automated validation frameworks
Programming & Automation
Proficient in Python, Selenium, Azure DevOps, JIRA, HP ALM, Power Automate, and MS Visio for automation and development solutions
ETL Development
Design and implementation of automated ETL pipelines for data extraction, transformation, and loading processes
PowerBI Dashboard Development
Creation of complex data models with advanced DAX measures for executive management reporting and real-time operational KPIs
Financial Data Analysis
Strategic analysis and risk management for trading strategies, portfolio management, and performance reporting in financial markets
Test Automation Strategy
Implementation of comprehensive UAT frameworks, regression testing, and quality assurance protocols across enterprise systems
Agile Project Management
Leadership in Scrum methodologies, stakeholder management, and cross-functional team coordination for software delivery
Enterprise Architecture
Functional design specifications and technical documentation for large-scale data solutions and system integrations
Advanced expertise in SQL, PowerBI, DAX, Tableau, ETL processes, data warehousing, data modeling, and data governance for comprehensive business intelligence solutions
Quality Assurance & Testing
Comprehensive knowledge in Azure Test Plans, UAT coordination, defect management, API testing, risk-based testing, and automated validation frameworks
Programming & Automation
Proficient in Python, Selenium, Azure DevOps, JIRA, HP ALM, Power Automate, and MS Visio for automation and development solutions
ETL Development
Design and implementation of automated ETL pipelines for data extraction, transformation, and loading processes
PowerBI Dashboard Development
Creation of complex data models with advanced DAX measures for executive management reporting and real-time operational KPIs
Financial Data Analysis
Strategic analysis and risk management for trading strategies, portfolio management, and performance reporting in financial markets
Test Automation Strategy
Implementation of comprehensive UAT frameworks, regression testing, and quality assurance protocols across enterprise systems
Agile Project Management
Leadership in Scrum methodologies, stakeholder management, and cross-functional team coordination for software delivery
Enterprise Architecture
Functional design specifications and technical documentation for large-scale data solutions and system integrations
Experience
Professional experience10+ years
Freelancer since2017
Languages
GermanBasic knowledgeEnglishFluentDutchNative speakerSpanishBasic knowledge
Project history
Developed Python ETL scripts and PowerBI dashboards to automate data ingestion and visualization for financial markets, established rigorous validation routines for high-frequency trading datasets, and applied technical analysis and risk management protocols for private equity portfolio management
Designed automated PowerBI dashboards sourcing TOPdesk data for real-time operational KPIs, led data quality strategy using complex SQL ETL testing and Azure Test Plans, and bridged business and tech gaps by creating functional designs in Enterprise Architecture
Orchestrated UAT strategy for the Esperanto program, establishing standardized framework that improved quality gates, and enabled data validation by creating custom Tableau data sources and executing SQL regression tests during migration
Certificates
Professional Scrum Master (PSM)
Scrum.org2019
ISTQB Advanced Level Test Analyst
iSQI Group2017
TMap NEXT® Test Engineer
EXINEXIN2016
ISTQB Certified Tester Foundation Level
iSQI Group2013