Data Analyst | Python • SQL • Excel • Power BI • Machine Learning
Master’s Degree in Information Systems (Wirtschaftsinformatik)
Combining business understanding with data analytics.
📍 Germany
📊 Data • BI • Predictive Analytics
I help companies understand their data and turn it into actionable insights.
Before moving deeper into data analytics, I gained experience in Business Development as a Working Student, where I worked closely with business teams, market analysis and growth strategies.
This experience helps me connect data insights with real business impact.
• Build dashboards used by decision-makers
• Analyze datasets to uncover trends and opportunities
• Develop machine learning models to predict outcomes
• Communicate insights clearly to technical and non-technical stakeholders
Currently focusing on advanced analytics and data engineering fundamentals.
• Built churn prediction model with ROC-AUC 0.87
• Reduced manual reporting by 60% through dashboard automation
• Identified 18% underperforming sales region with data analysis
• Work daily with Python, SQL and BI tools to solve business problems
Problem
The company had no clear overview of regional sales performance.
Solution
Developed an interactive Power BI dashboard combining SQL and Excel data sources.
Impact
• Identified 18% underperforming region
• Reduced reporting time by 60%
• Enabled faster decision-making for leadership
Tech
Power BI • SQL • Excel
Project
Repository | Dashboard
Goal
Predict which customers are likely to cancel their subscription.
Approach
• Data cleaning and preprocessing in Python
• Exploratory data analysis
• Classification model using Scikit-Learn
Results
ROC-AUC: 0.87
Key Insights
• Low engagement users far more likely to churn
• Pricing tier strongly correlates with cancellations
Tech
Python • Pandas • Scikit-Learn • PostgreSQL
Project
Repository
- Automated lead research workflow
- Supported sales and growth initiatives
- Worked closely with stakeholders and data
- Collected and structured business requirements
- Created documentation for product teams
- Translated business needs into technical tasks
• Advanced SQL for analytics
• Data engineering fundamentals
• Production machine learning workflows
Data Analyst
Business Intelligence Analyst
Junior Data Scientist
Remote • Germany • EU