19.06.2025 aktualisiert
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Data Analyst with expertise in SQL, Python, Power BI and Machine Learning
Karlsruhe, Deutschland
Weltweit
Master in data scienceSkills
BuchhaltungAmazon Web ServicesData AnalysisCloud ComputingData IntegrationETLData TransformationDatensystemeDatenvisualisierungForecastingR (Programmiersprache)PythonMachine LearningRegressionsanalysePredictive AnalyticsPower BiTensorflowSAP ApplicationsSQLStatistikenTableauZeitreihenanalyseVisual AnalyticsWorkflowsDatenverarbeitungPytorchRandom ForestXgboostProgramming Languages
Data Analysis & SQL
Expertise in SQL query optimization and data analysis techniques for deriving actionable insights from complex datasets, with proven ability to improve reporting accuracy by up to 25%.
Machine Learning
Experience building ML pipelines with Bayesian optimization and regularization, implementing models like XGBoost and Random Forest with high accuracy (97% R² and 90.9% test accuracy).
Data Visualization
Proficient in Power BI and Tableau for dashboard development, creating visual analytics solutions that improved cycle efficiency by 20% and enhanced financial reporting.
ETL Pipeline Development
Skills in designing and implementing data transformation workflows, including experience with SAP and various data integration tools.
Cloud Platforms
Knowledge of AWS, GCP, and cloud-based data solutions for scalable analytics implementations.
Statistical Modeling
Application of regression analysis, time series forecasting, and predictive analytics techniques to solve complex business problems.
Programming Languages
Proficiency in Python, R, and SQL for data manipulation, analysis, and model development with libraries like TensorFlow/PyTorch.
Expertise in SQL query optimization and data analysis techniques for deriving actionable insights from complex datasets, with proven ability to improve reporting accuracy by up to 25%.
Machine Learning
Experience building ML pipelines with Bayesian optimization and regularization, implementing models like XGBoost and Random Forest with high accuracy (97% R² and 90.9% test accuracy).
Data Visualization
Proficient in Power BI and Tableau for dashboard development, creating visual analytics solutions that improved cycle efficiency by 20% and enhanced financial reporting.
ETL Pipeline Development
Skills in designing and implementing data transformation workflows, including experience with SAP and various data integration tools.
Cloud Platforms
Knowledge of AWS, GCP, and cloud-based data solutions for scalable analytics implementations.
Statistical Modeling
Application of regression analysis, time series forecasting, and predictive analytics techniques to solve complex business problems.
Programming Languages
Proficiency in Python, R, and SQL for data manipulation, analysis, and model development with libraries like TensorFlow/PyTorch.
Sprachen
DeutschgutEnglischverhandlungssicher
Projekthistorie
Used machine learning to optimize 3D printer parameters to reduce CO2 footprint. Analyzed 1953 samples across 182 features, built ML pipeline with Bayesian optimization reducing model MAE by 40%, and deployed XGBoost-based prediction system enabling 20-30% energy savings.
Analyzed 50K+ transactions using Excel, Tableau, and SQL, improving reporting accuracy by 20%. Automated workflows in NetSuite, Coupa, and JIRA, cutting processing time by 20%. Managed daily SOD/EOD reports and supported month-end closings using SAP.
Processed 500+ invoices/month using SAP and QuickBooks. Developed Power BI dashboards to monitor AP, AR, and cash flow, improving cycle efficiency by 20%. Prepared payroll and tax reports for 100+ employees and automated month-end reporting using Excel, SQL, and Power Query.