Implementation of ML algorithms such as outlier detection, forecasting.
Ad targeting and consumer behavior environment.
Migration of full stack to infrastructure as code in AWS (S3, RDS, RedShift, Glue, Athena, Lambda, Kinesis, PySpark, TerraForm, CloudFormation, Travis CI, Git).
Visualization with Tableau and Python.
Tableau Server maintenance.
Data backup and recovery strategy.
Jun 2020 - Aug 2020
3 months
Project Manager / Data Scientist
Optiopay
Management of a focus KPI reporting project in banking / ecommerce environment.
Definition and visualization of data pipelines and KPIs.
Azure, SQL, PowerBI, Kafka, Python, Git.
Jun 2019 - Feb 2020
9 months
Data Engineer
ProSiebenSat1/SevenOneMedia
Project management.
Data warehouse and ETL development.
Data layer development.
KPI development and analysis.
Implementation of ML algorithms such as outlier detection, forecasting.
Ad targeting and consumer behavior environment.
Migration of full stack to infrastructure as code in AWS (S3, RDS, RedShift, Glue, Athena, Lambda, Kinesis, PySpark, TerraForm, CloudFormation, Travis CI, Git).
Visualization with Tableau and Python.
Tableau Server maintenance.
Data backup and recovery strategy.
May 2018 - Apr 2019
1 year
Project Manager / Data Analyst
MediaMarktSaturn
Management of migration of reporting project to Tableau environment.
Rebuilding DWH layers and whole reporting system including key reports.
Data analytics and machine learning algorithms such as RFM, outliers, customer lifecycle.
Modelling and unification of hundreds of different data sources and formats.
Big data analysis, cleansing, dashboarding with Spark, SQL, Qlik, R.
May 2017 - Present
8 years 3 months
Side Projects
Web scraping, 3D modelling, Advent of Code, machine learning, generative AI.
Analysis of Twitter and Youtube data.
Investor consulting.
May 2017 - Present
8 years 3 months
Frankfurt, Germany
Data Scientist & BI Professional
Self-Employed
Data science and engineering in various projects for AI, Finance & Insurance Maths clients such as ProSiebenSat1, MediaMarktSaturn, Dräxlmaier (BMW Supplier), Trendence, Optiopay.
Project management.
Leading of small teams (up to 5).
Implementation of ML algorithms.
Optimization of cloud infrastructure.
Visualization of big data.
Budgets between 200K-2M.
May 2015 - May 2017
2 years 1 month
Sr. BI Manager, Team Lead BI
MyLorry FoodExpress / Just Eat Takeaway
Responsible for BI infrastructure of FoodExpress and implementation of driver/demand forecasting.
Identifying high potential delivery areas.
Machine learning & analytics.
Reporting, modelling, visualizing.
Dec 2010 - Aug 2013
2 years 9 months
Germany
Trainee & Business Analyst
Deutsche Bahn AG
Started as Trainee in ICT and later Manager for complex Software Development Projects.
Project management.
Leading of small teams (up to 5).
Budgets between 500K-2M.
Summary
Getting your data, transforming, analyzing, training it and finally gaining insights. I cover the whole pipeline: