Freelancer profile translated to English.

Description

Experienced Data Management Lead & Senior Data Engineer with a focus on Cloud Data Architectures (AWS, Snowflake, Redshift), automated ETL/ELT processes, and data analysis with Python & Power BI.

Over 10 years of experience in developing scalable data solutions, data governance frameworks, and reporting systems for data-driven decisions.

I combine deep technical knowledge with process understanding and deliver end-to-end data solutions – from integration to visualization.

Languages

German
Native or bilingual
English
Native or bilingual

Workplace preferences

Can work on-site

Mannheim (up to 50km)

Transporeon AG
Team Lead Data Management
TRANSPORTATION
January 2025 - Today (1 year and 7 months)
68 Mannheim, Germany
• Lead a cross-functional team of 3–4 data engineers and analysts, overseeing the full ETL lifecycle on AWS Cloud using Glue Jobs, API integrations, and Python-based data transformations.
• Define and prioritize tasks, manage Kanban boards in Jira, and maintain technical documentation in Notion to ensure transparent and efficient project delivery.
• Act as the primary communication bridge between data, engineering, and business teams to align priorities, resolve dependencies, and ensure timely project execution.
• Design and optimize data pipelines and workflows supporting analytics, reporting, and governance requirements.
• Conduct regular 1:1 meetings, mentoring team members and fostering a culture of accountability, continuous learning, and collaboration.
• Collaborate with cross-functional stakeholders to translate business requirements into scalable technical data solutions.
• Spearheaded initiatives to automate repetitive processes and enhance data quality, resulting in a 30% improvement in workflow efficiency.
• Product Analytics: A/B-Testing, KPI-Definition, Funnel Analysis, Retention Modeling
A/B Testing Microsoft Power BI AWS SQL ETL
TimConsult GmbH
Data Analyst / Data Engineer
July 2015 - March 2022 (6 years and 8 months)
68 Mannheim, Germany
• Created and maintained benchmark analyses in Ocean, Road, and Air Cargo sectors for global clients.
• Designed and developed internal application Datacheck 2.0, reducing internal data validation time by 50%.
• Optimized SQL Server performance across 500+ databases, improving query performance and scalability.
• Conducted complex data harmonization, segmentation, and benchmarking for international clients.
• Built forecasting and projection models (ARIMA) to analyze transportation market trends.
• Created Power BI templates and SQL Reporting Services dashboards for business intelligence insights.
Transporeon AG
Senior Data Management
January 2022 - January 2025 (3 years)
68 Mannheim, Germany
• Lead and mentor a team of 3+ data professionals, managing workflows in Jira using Kanban and Scrum methodologies.
• Managed data collection and quality from 500+ international partners, ensuring completeness and reliability.
• Developed ETL automation scripts and standardized data validation routines, reducing manual workload by 25%.
• Supported cross-departmental data initiatives, improving reporting transparency across business units.