Professional experience
Tasks:
- Support with planning/forecasting activities
- Automation of Excel applications and processes
Technologies: Excel, VBA, QlikView
Tasks:
- Big data proof-of-concept development
- Python programming (web crawling, data preparation and analysis)
- ETL workflow creation and maintenance
- Administration of a NoSQL database
- Documentation creation and maintenance
Technologies: Apache Hadoop, Spark, Python, Apache NiFi, NoSQL, Apache Cassandra, Confluence, Git
Tasks:
- Creation and maintenance of ETL workflows
- Data analysis and management in database systems
- Data preparation and visualization using Python
- Creation and maintenance of documentation in Confluence
Technologies: Talend Open Studio, MySQL, Python, Confluence, Jira, SQL
Results:
- Optimized the existing Valuation-Tool with performance boost
- Successfully managed implementation of 2 SaaS products from third-party providers, from requirements analysis to rollout
- Formalized and standardized business processes with BPMN schema for further development of automation software
- Laid the foundation for digital capture of historical data to the database
- Developed command-line, desktop, and web applications using Python
- Designed a prototype for business process automation using Power Automate and SharePoint
Technologies: BPMN 2.0, UML, Python, VBA, Power Automate, SharePoint
Results:
- Developed report for conveying salesmen incentives using Power BI
- Provided basis for decision-making with ad hoc reporting
- Provided recommendations for actions based on insights from data analysis with Python and R
- Developed a prototype for business process automation using Power Automate
- Optimized the existing data structure with performance boost
Technologies: R, Power BI, Excel, Power Automate, Salesforce
Results:
- developed MVP of LLM-application with OpenAI and Ollama
- LLM-application with using RAG, Fine-Tuning, Agent development
- Co-developed team portal in SharePoint
Technologies: Python (Langchain, LangGraph), Ollama, SharePoint