Design and development of a BW application for managing usage data in vehicle development
Backend logic with Calculation Views, SQLScript, and ABAP
Planning applications with BW/4 and Analysis for Office
Data modeling
Dec 2019 - Present
5 years 11 months
Trainer
Freelance SAP Consultant
Company-specific and open training sessions
Technologies: Calculation Views, SAP HANA Cloud, SAP Business Application Studio and Eclipse, BW/4
Oct 2019 - Present
6 years 1 month
Mainz, Germany
Consultant and Developer in SAP BW
Freelance SAP Consultant
Design and development of a BW data model for extraction from the core banking system (S/4 HANA)
Extractor development and performance analysis
Reporting application and reconciliations
Development of the SQL interface for data lake export
Process consulting and architecture optimization
Integration into sales information and planning systems
Jun 2016 - Oct 2019
3 years 5 months
Heidelberg, Germany
Senior ABAP Developer and Project Manager
zetVisions AG
Design and development of modules for the master data solution SPoT
Optimizing the existing solution and developing new features
Guiding team members
Projects for implementing the SPoT master data solution
Modules: Business Partner and Material Master
Requirements analysis, design, and implementation
Architecture optimization and HANA-optimized development
Developing an intelligent free-text search for master data
Organizing and conducting internal developer training
Technologies/methodologies used: ABAP, ABAP CDS, SAP BW, HANA
Oct 2013 - May 2016
2 years 8 months
Walldorf, Germany
SAP Consultant
FIVE1
Consulting and developing solutions in SAP BW and SAP HANA
Building and optimizing an EDW (Enterprise Data Warehouse) in the energy sector
Implementing a flexible customer value model based on the customer lifetime value method
Designing a key metrics library for financial reporting
Data analysis of smart meter consumption data
Data mining of hospital case treatment costs
Technologies/methodologies used: SAP Business Warehouse, BW/4 HANA, ABAP, AMDP, SQLScript, Calculation Views, Predictive Analytics
Summary
Design and implementation of solutions in SAP Business Warehouse. Modeling and implementation in BW/4 HANA and HANA-optimized modeling, including Calculation Views and SQLScript.
Development in S/4 HANA. Implementation of ABAP CDS Views for data extraction and embedded analytics.
Development in SAP BTP. Modeling with SAP HANA Cloud, Data Sphere, SAP Analytics Cloud, AI solutions.
Trainer for HANA-native modeling with a focus on Calculation Views.
Book author: Machine Learning with SAP HANA, Espresso Tutorials, published 2022
Languages
German
Native
English
Advanced
Education
Oct 2010 - Jun 2013
TU Kaiserslautern
PhD · Mathematics · Kaiserslautern, Germany
Oct 2006 - Jun 2010
TU Kaiserslautern
Diploma · Mathematics with a minor in Computer Science · Kaiserslautern, Germany
Oct 2006 - Jun 2006
Gymnasium Nieder-Olm
High School Diploma · Nieder-Olm, Germany
Certifications & licenses
SAP Working With Calculation Views In SAP HANA Cloud