Aulon – Python, SQL, Claude Code

Hotel revenue-management software offering pricing and forecasting products.

• Led the Revenue Management Pricing & Forecasting team with a focus on Data and Machine Learning.
• Oversaw the Revenue Management UX team.
• Led the AI Adoption Strategy for the Engineering department with a focus on Context Engineering and Agentic AI.

Esports and gaming entertainment company running competitive gaming platforms and events.

• Was the second data engineer and built the data platform from local notebooks to a data lake, warehouse, and ingestion layer up to the dbt layer, used across the company while the data organization grew from 14 to about 40 people.
• Designed and implemented a cloud-native Data Platform.
• Defined the target architecture using Terraform and GCP.
• Delivered the core infrastructure layers for data orchestration, data lake/lakehouse, and data warehouse.
• Instituted lean engineering processes and rolled out a decision log, ingestion-status communications, and retro framework that improved sprint throughput.
• Delivered data products at speed.
• Designed and shipped 15+ production-grade ingestion pipelines.

European online fashion and lifestyle e-commerce platform.

• Designed, developed, maintained, and improved ETL pipelines that fetched marketing campaign reports from social media APIs including YouTube, Pinterest, and Twitter.
• Designed, developed, maintained, and improved data models and batch processes in the data warehouse for crucial sales information.
• Redesigned and refactored an event-based solution that published millions of events.
• Reduced the code base by 60% and runtime by a factor of 2.
• Discovered a coupon pipeline bug that marked messages as sent before they were actually sent, quantified the impact (hundreds of thousands of euros per year), built a dashboard, and got marketing to resend.
• Improved the technical interview structure, interviewed candidates, created hiring guidelines for Data Engineers, and defined the Data Engineer role and required skills across the company.
• Increased team collaboration through team-building events.

Deal Advisory practice of a professional services firm, covering valuation, transaction services, and M&A.

• Designed and developed data pipelines and advanced analytics solutions for teams in Valuation, Transaction Services, and M&A.
• Started and led the DevOps process by setting up Azure DevOps, versioning, and best practices for ETL and KDD.
• Designed and developed ETL pipelines for Google Trends, SimilarWeb, OpenStreetMap, and German healthcare data.
• Created the technical interview structure, interviewed 9 candidates, onboarded 5 new colleagues, and became a trained mentor in the KPMG Mentoring program.

The main product in the Digital Deal Advisory Suite and the first automated tool in Germany that speeds up the due diligence process from weeks to hours.

• Served as Tech Lead for application architecture, database design, and user interface in an internally-developed cloud analytics platform.
• Designed, implemented, deployed, and maintained the Digital Deal Advisory Suite.
• Led a team of 5.
• Created the technical interview structure, interviewed 5 candidates, mentored 2 interns, and onboarded 8 new colleagues.

Contract management and savings measurement solution for a leading European food industry company.

• Served as Tech Lead for application architecture, database design, and user interface in an internally-developed cloud analytics platform.
• Designed, implemented, and deployed a Spend Transparency and Analytics contract management and savings measurement solution for a leading European food industry company.
• Reduced time and costs by a factor of 7.
• Created the technical interview structure, interviewed 5 candidates, mentored 2 interns, and onboarded 8 new colleagues.

Cloud-based cybersecurity risk assessment for SAP HANA systems.

• Served as Tech Lead for application architecture, database design, and user interface in an internally-developed cloud analytics platform.
• Designed, implemented, and deployed a Cybersecurity Risk Assessment for SAP HANA systems.
• Increased efficiency by a factor of 23.
• Created the technical interview structure, interviewed 5 candidates, mentored 2 interns, and onboarded 8 new colleagues.

Project engagement dashboarding solution for a leading Oil & Gas company.

• Was responsible for dashboarding and analytics in an internally-developed cloud analytics platform.
• Developed, implemented, improved, and maintained a Project Engagement dashboarding solution for a leading company in the Oil&Gas industry.

Augmented reality and wearable computing solutions provider.

• Led the creation of the QA team by standardizing testing procedures, creating test cases, gathering results, and reporting to the Head Engineer.
• Developed C++ solutions for marker-less tracking in Augmented Reality Glasses using OpenCV and OpenGL.