Data Engineering Consultant

2/2022 – offen

• Designed and deployed a Lakehouse architecture using Delta Lake, reducing storage costs by 25% and improving analytics performance.
• Developed scalable data pipelines that optimized resource utilization by over 70%, reducing operational costs by 20%.
• Delivered hybrid cloud solutions that improved workflows and reduced infrastructure costs by 15%.
• Automated monitoring systems, cutting downtime by 50% and accelerating issue resolution.
• Collaborated with clients to define data strategies, enabling 20% faster decision-making through advanced analytics.
• Created end-to-end ETL pipelines, improving integration efficiency by 30%.
• Partnered with stakeholders on data migration initiatives, ensuring 100% on-time delivery of key projects.
• Mentored junior engineers, fostering a culture of learning and technical excellence.

Apache Spark, Databricks, ETL, Python, Data Engineer, Microsoft Azure, Amazon Web Services (AWS)

9/2013 – 8/2021

• Led the design and development of scalable data pipelines to support market expansion, contributing to a 15% revenue increase.
• Streamlined ETL processes, reducing load times by 25% and enhancing integration capabilities.
• Managed multiple project lifecycles, ensuring delivery aligned with client requirements and achieving a 100% satisfaction rate.
• Improved code quality by implementing rigorous testing frameworks, achieving a 95% code coverage rate.
• Spearheaded technical documentation efforts, ensuring compliance with business and regulatory standards.

Apache Hadoop, Apache Spark, Big Data, Databricks, Datenanalyse, ETL, Python