Freelancer profile translated to English.
Back to original languageAbout Marius
Data Analysis & Excel Optimization – Efficient Solutions for Your Business
Do you want to use your data efficiently, automate recurring tasks, or gain deeper insights into user behavior? I support you with tailor-made solutions in the following areas:
✔ Data Analysis – Structured preparation, visualization, and evaluation of your data
✔ Excel Optimization – Automations, macros, and formulas for more efficient workflows
✔ User Analytics – Data-driven insights for improving products & processes
With my experience in Human Factors and Data Analysis, I help companies make data-driven decisions and optimize work processes.
Let's work on your data together! 🚀
German
Native or bilingual
English
Fluent
Can work on-site
Berlin (up to 50km)
Experience
- IAV GmbHUX RESEARCHER & DATA ANALYSTOctober 2016 - December 2024 (8 years and 2 months)Gifhorn, NI, Germany• Definition and tracking of KPIs to measure user behavior and product performance• Conducting data analyses and statistical evaluations (Python, R, Excel) to derive well-founded recommendations for action• Development of automated Excel-based reporting tools that reduced manual evaluation• Close collaboration with stakeholders to translate business requirements into analytical solutions• Training teams in data analysis and statistical methods to promote data-driven decisions
- Takata AGWORKING STUDENT & MASTER'S THESISDecember 2013 - March 2016 (2 years and 3 months)Berlin, Germany• Conducting data analyses and statistical evaluations in R• Development of automated Excel templates for more efficient data processing
- BMW Forschung und Technik GmbHINTERNAUTOMOBILEMay 2013 - October 2013 (5 months)Munich, Germany• Data collection and evaluation with MATLAB and Excel• Analysis of user data for the optimization of driver assistance systems
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Education
- Master of ScienceTU Berlin2016M.Sc. Human Factors
- Bachelor of ScienceTU ChemnitzSensorik und kognitive Psychologie
Certifications
- Certified Professional for User ExperienceInternational Usability and User Experience Qualification Board e.V.2021