Stefan Auerbach

Data Scientist & BI Professional

Stefan Auerbach
Berlin, Germany

Erfahrungen

Nov. 2023 - Mai 2024
7 Monaten

Data Scientist

Trendence Institute

Analyzing and visualizing survey data (big data) Infrastructure and database performance optimization AWS, GCP, BigQuery, SQL, Tableau, Python, Tableau Server

Sept. 2020 - Apr. 2021
8 Monaten

Data Scientist

Trendence Institute

Analyzing and visualizing survey data (big data) Infrastructure and database performance optimization AWS, GCP, BigQuery, SQL, Tableau, Python, Tableau Server

Aug. 2020 - Okt. 2023
3 Jahren 3 Monaten

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 behaviour 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

Juni 2020 - Aug. 2020
3 Monaten

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

Juni 2019 - Feb. 2020
9 Monaten

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 behaviour 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

Mai 2018 - Apr. 2019
1 Jahr

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 SPSS, SAS, Tableau, PowerBI, TeraData, SQL, PowerShell

Nov. 2017 - März 2018
5 Monaten

Data Consultant

Barkawi Consulting

Supply chain logistics Modelling and unification of hundreds of different data sources and formats Big data analysis, cleansing, dashboarding with Spark, SQL, Qlik, R

For Dräxlmeier Group (BMW Supplier)

Mai 2017 - Bis heute
7 Jahren 10 Monaten
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Side Projects: Web scraping, 3D modelling, Advent of Code, Machine Learning, Generative AI Analysis of Twitter and Youtube data Investor consulting

Mai 2017 - Bis heute
7 Jahren 10 Monaten
Berlin, Germany
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Freelancer

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

Data Science and Engineering in various projects for clients such as ProSiebenSat1, MediaMarktSaturn, Dräxlmaier (BMW Supplier), Trendence, Optiopay MyLorry FoodExpress / Just Eat Takeaway

Mai 2015 - Mai 2017
2 Jahren 1 Monate

Sr. BI Manager, Team Lead BI

MyLorry FoodExpress / Just Eat Takeaway

Machine Learning & Analytics Reporting, modelling, visualizing

Responsible for BI infrastructure of FoodExpress and implementation of driver/demand forecasting. Identifying high potential delivery areas.

Jan. 2013 - Dez. 2015
3 Jahren
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Round the world trip

Dez. 2010 - Aug. 2013
2 Jahren 9 Monaten

Trainee & Business Analyst

Deutsche Bahn AG

Project Management Leading of small teams (up to 5) Budgets between 500K-2M

Started as Trainee in ICT and later Manager for complex Software Development Projects

Zusammenfassung

Getting your data, transforming, analyzing, training it and finally gaining insights. I cover the whole pipeline: - Scraping - ETL (Extract, Transform, Load) - Machine Learning - Aggregation - Vizualisation You get 20+ years coding experience including but not limited to - Python, PySpark, R, Java, JavaScript, Scala, SQL - Tableau, PowerBI, Qlik, Leaflet, Shiny - AWS, Google Cloud, Azure - Docker, Git, Terraform, Travis

Sprachen

Deutsch
Muttersprache
Englisch
Verhandlungssicher
Spanisch
Fortgeschritten
Französisch
Grundkenntnisse

Ausbildung

Okt. 2005 - Juni 2010

University of Technology, Berlin

Diploma · Business Mathematics · Berlin, Germany