Data Strategy Consultant

11/2016 – 6/2019

• Aufbau und Betrieb eines PostgreSQL-basierten Data Warehouses (Skalierung von 3 auf 23+ Datenquellen)
• Entwicklung und Automatisierung von ETL-Prozessen und Reporting-Pipelines mit Python, SQL und Jenkins
• Umsetzung eines End-to-End Invoicing-Systems inkl. REST APIs, Datenpipelines und Automatisierung
• Technische Leitung und Umsetzung eines AML-Transaktionsmonitorings (Datenmodellierung, Performance-Optimierung, Produktivbetrieb)
• Reduktion von Abhängigkeiten zur Plattform-/IT-Abteilung durch Neugestaltung von Datenflüssen

Progressed from BI Analyst to BI Manager while remaining hands-on in data engineering, platform and data product development.

• Designed, built and maintained a PostgreSQL-based data warehouse, scaling data ingestion from three to over 20 sources
• Developed ETL pipelines, data processing workflows and data models using Python, SQL, and Jenkins
• Automated management and operational reporting, significantly reducing manual effort by 80% and improving reliability
• Designed and implemented an end-to-end invoicing system, including REST APIs, data pipelines, and automation (Python, Git, Jenkins), reducing manual effort by ~90%
• Led the technical design and implementation of an AML transaction monitoring system, including data modeling, query optimization and end-to-end delivery to production
• Improved SQL performance and data model efficiency to support large loan portfolio analytics and compliance use cases
• Integrated data exchange solutions with third-party providers to enable secure and reliable data sharing
• Reduced platform team dependencies by ~95% by redesigning data flows and ownership boundaries
• Introduced version control, CI/CD-style workflows, and reproducible data practices across analytics and reporting

Amazon Web Services (AWS), Jenkins, Postgresql, Python, SQL, Tableau

5/2016 – 8/2016

• Automatisierung von Customer-Performance-Reports mit Python, SQL und Jenkins
• Entwicklung von Power-BI-Dashboards zur Analyse von Kunden- und Umsatzkennzahlen
• Durchführung explorativer Datenanalysen und Market-Basket-Analysen zur Identifikation von Kaufmustern

• Automated customer performance reporting using Python, SQL, and Jenkins, reducing manual reporting effort
• Built analytical dashboards in Power BI to monitor customer performance and key business metrics
• Performed exploratory data analysis and market basket analysis using R to identify customer purchasing patterns
• Worked on data cleaning, transformation, and statistical analysis to support internal decision-making

Tech: Python, SQL, Jenkins, Power BI, R, Data Analysis

Business Intelligence (BI), Postgresql, Power Bi, Python, R (Programmiersprache), SQL

10/2015 – 3/2016

Researched how and if Machine Learning could optimize the detection and classification of fraudulent documents through Text Mining. Developed a 'Proof of Concept' using a variety of Machine Learning models (using Python and Scikit-Learn) to analyze e-mails using Natural Language Processing (NLP) technique to derive whether a classification for these documents.

Maschinelles Lernen

5/2013 – 8/2023

Led the development of the financial model for a media venture. Including Waterfall, Feasibility Test, Market Entry Strategy, revenue projections with scenarios, Profitability Analysis. Skills: Data Processing, MS Excel, Financial modeling, communication

Finanzierungsmodelle, Microsoft Excel

8/2011 – 9/2012

Developed and maintained financial models of infrastructure, energy and desalination plants, transportation (BOT). Additionally, preformed model auditing for Infrastructure Projects for banks and financial institutions.
Skills: MS Excel, Financial modeling, risk management

Finanzanalyse, Finanzierungsmodelle, Kommunikation (allg.), Microsoft Excel

6/2007 – 10/2008

Modelled Regular Expressions for clients in order to improve security. Analyzed HTTP Request logs for malicious attack and attempts. Knowledge of SQL Injection, XSS, Path Traversal and more

Data Mining

5/2006 – 8/2007

IT Security Analyst of fraudulent activity in the Banking and Credit Card Industries. Monitored suspicious activity, detecting and investigating Phishing attacks against customers of financial institutions and credit-card companies.

Data Mining

12/2002 – 12/2005

An Information Systems Technical specialist. Unit leader, emergency outbreak response team. Consultant to a wide range of stakeholders for information systems - debug and fix/troubleshooting issues with critical operational systems and software.

IT-Techniker (allg.), IT Service Management (ITSM), Linux (Kernel)