07/08/2025 updated


100 % available
Data Analyst with expertise in Excel, SQL and Tableau
Los Giles, Spain (Canary Islands)
Worldwide
Bachelor's degree in Economics With Focus On FinanceData AnalysisApple ProductsAtlassian ConfluenceBusiness IntelligenceData CollectionFinancesExcel FormulasExcel Pivot TablesMarketingPython (Programming Language)Office SuitePivot TableVisualizationSQL DatabasesBusiness Strategies
Data Analysis & Visualization
Advanced Excel skills including VBA, functions, Pivot Tables, PowerQuery, and dashboards for comprehensive data analysis and visualization.
SQL & Database Management
Advanced SQL knowledge for data collection, organization, and analysis, including window functions, subqueries, and KPI tracking.
Tableau & Reporting
Creation of impactful, user-friendly dashboards and reports that translate data insights into actionable business strategies.
Business Intelligence
Experience with various BI tools including Google Sheets, Metabase, and DBeaver for comprehensive data analysis.
KPI Development & Tracking
Development of Key Performance Indicators for marketing, product, and finance metrics with churn rate analysis.
Python Programming
Basic Python skills with ongoing learning to enhance data analysis capabilities.
JavaScript & Web Development
Knowledge of JavaScript, HTML5, CSS, and JS for building interactive websites and unit testing.
Office Software Proficiency
Skilled use of Microsoft Word, PowerPoint, and Confluence for documentation and presentation.
Advanced Excel skills including VBA, functions, Pivot Tables, PowerQuery, and dashboards for comprehensive data analysis and visualization.
SQL & Database Management
Advanced SQL knowledge for data collection, organization, and analysis, including window functions, subqueries, and KPI tracking.
Tableau & Reporting
Creation of impactful, user-friendly dashboards and reports that translate data insights into actionable business strategies.
Business Intelligence
Experience with various BI tools including Google Sheets, Metabase, and DBeaver for comprehensive data analysis.
KPI Development & Tracking
Development of Key Performance Indicators for marketing, product, and finance metrics with churn rate analysis.
Python Programming
Basic Python skills with ongoing learning to enhance data analysis capabilities.
JavaScript & Web Development
Knowledge of JavaScript, HTML5, CSS, and JS for building interactive websites and unit testing.
Office Software Proficiency
Skilled use of Microsoft Word, PowerPoint, and Confluence for documentation and presentation.
Experience
Professional experience0 - 5 years
Freelancer since2025
Languages
GermanFluentEnglishFluentHungarianNative speaker
Project history
Designed and maintained user-friendly dashboards, created Excel templates for statistical analysis, optimized reporting processes, and improved administrative performance by 50% through documentation.
Analyzed financial data, created sales reports, conducted market and competitor analysis, and presented data to stakeholders using Tableau.
Managed data preparation and compilation for monthly reporting, supported business strategy decisions, maintained Excel data using VBA, and collaborated with cross-functional teams.