Christian Schulz
Data-Scientist/AI Engineer
Experience
Data-Scientist/AI Engineer
The Marcom Engine GmbH & Co. KG
- Concept creation and implementing AI Agents in AWS Cloud
- Continuously alignment with stakeholders
- Collaborate with DevOps
- Technologies: Git, CI/CD (GitHub Actions), Python/ML, Streamlit, Deno/typescript, AWS SAM, AWS Bedrock, AWS Lambda, AWS Dynamo DB, AWS S3, AWS Event Bridge etc.
Data Scientist/AI Engineer
targeting.ai
- Creating ideas and applications with LLM/ML features.
- Architecting and implementing a robust framework for rapid and scalable deployment of Large Language Models within Kubernetes environments.
- Leveraging a broad spectrum of technologies in product development and deployment.
- Technologies: Git, CI/CD (GitLab pipelines / GitHub Actions), PySpark, Databricks, Pandas, Python, SQL, PostgreSQL, Terraform, Airflow, Jupyter, K8s, GCP, Langchain, Langgraph, Streamlit, Huggingface, Agno, FastAPI, Deno, Claude, OpenAI, Cursor, RooCode, UXPilot, CodeGuide etc.
Data-Engineering Expert
Sysfacts AG
- POC - Migration MicroService into Kubernetes on GCP
- Creating different manifests for the Kubernetes Cluster
- Performance tests on the Kubernetes Cluster
- Consulting
- Technologies: Git, CI/CD (Gitlab pipelines), Google Cloud, Docker, Kubernetes, PostgreSQL, ElasticSearch
Data-Engineering Expert
Senec GmbH
- Data source integration (e.g. Business-Central, CRM, and different external API’s)
- Medallion Architecture
- Providing data for PowerBI and Data Analysts
- Python Development
- Big data workflow optimizations with PySpark/Databricks
- DBT Modelling
- End2End data solution
- Technologies: Git, PySpark, Pandas, Python, SQL, Azure/Databricks, ElasticSearch, DBT, Terraform, Airflow, Jupyter, Delta Tables, Airbyte, Power BI, CI/CD (Gitlab pipelines), K8s
Data-Science Expert
Virtualminds GmbH (includes Adex GmbH)
- Technologies: Git, CI/CD (Gitlab pipelines), PySpark, Pandas, Scikit-learn, Python, SQL, H2o, Docker, FastAPI, TensorFlow, Databricks, PostgreSQL, MongoDB, Terraform, AWS.
Data-Science Expert
Mercedes-Benz.io GmbH
- Idea generator for the internal data science team.
- Customer-Journey exploration with markov models and predictive analytics.
- Conceptualization and implementation: Feature store.
- Classification models (leads, clicks)
- FeatureEngineering, ConfusionMatrix, LiftCharts
- Technologies: Jira, Confluence, Git, Azure, Databricks, PySpark, Pandas, SQL, Scikit-learn, Seaborn, Matplotlib
Data-Science Expert
MSD Sharp & Dohme GmbH
- Mentoring.
- End2End data solution
- Developing new customer engagement KPIs.
- Handling complex data structures with SQL
- Next Best Engagement and marketing cloud automation (E2E).
- Content recommendation with collaborative filtering.
- Impact equivalent optimization with genetic algorithm.
- Technologies: Linux, CI/CD (Gitlab pipelines), Git, Jira, Confluence, AWS, Terraform, Mlflow, SQL, Python Jupyter, PySpark, Pandas, Scikit-learn, Seaborn, Matplotlib, Lightfm.
Data-Science Expert
Virtualminds GmbH
- Idea provider (Mentoring) for data science problems in the internal data science team.
- Forecast media inventory with a complex set of requirements and conditions (Regression).
- Develop Airflow pipelines.
- Handling complex data structures with SQL.
- Apply probabilistic data structure algorithms.
- Usage of fbprophet (time-series analysis) to estimate seasonality effects.
- Aggregation (ETL) of significant data volumes.
- Evaluation Databricks.
- POC in Video transcription.
- Technologies: Linux, Git, CI/CD (Gitlab pipelines), Jira, Confluence, SQL, AWS, GCP, Kubernetes, Spark, Jupyter on Kubernetes, Python, Jupyter, PySpark, Pandas, Scikit-Learn, Tensorflow, Numpy, Matplotlib, Seaborn, Plotly, Mlflow, Databricks, and Airflow.
Data-Science Expert
The Adex GmbH
- Extend a predictive behavioral targeting system with multi-client capabilities.
- Classification models in a predictive behavioral context
- FeatureEngineering, ConfusionMatrix, LiftCharts
- Technologies: Linux, Git, Python, PySpark, Pandas, Scikit- Learn, Numpy, Tensorflow/Keras, H2O.ai and MongoDB.
Data-Science Expert
Mediascale GmbH & Co. KG
- Conceptual design and develop a special data exporter for a third-party service provider.
- Technologies: Git, AWS S3, Python, Spark, and PostgreSQL.
Data-Science Expert
MSD Sharp & Dohme GmbH
- Conceptual design and develop a machine learning application (predictive analytics) to improve sales distribution in a competitive pharma market.
- Handling complex data structures with SQL.
- Make complex pharma data structures ready for machine learning issues.
- Apply machine learning algorithms, handle smart data, and consult in applied statistics/data science.
- Generate statistical analysis and charts with Jupyter Lab notebooks.
- Classification models in a pharma context
- FeatureEngineering, ConfusionMatrix, LiftCharts
- Technologies: Git, Jira, Confluence, Jupyter, SQL, Veeva (CRM), AWS Redshift, Kedro, Mlflow, Python, Jupyter, Pandas, Scikit-Learn, Numpy, Matplotlib, Seaborn, and Plotly.
Backend-Developer
Appex5 GmbH
- Conception and development of a scalable Media-API for video and audio (e.g. YouTube).
- Technologies: Linux, Docker, python, ffmpeg, fastapi, AWS EC2, AWS Fargate, and YoutubeAPI V3.
Data-Science Expert
The Adex GmbH
- Conceptual design and develop a machine learning application to predict online marketing segments in terms of online surf behavior.
- Apply machine learning algorithms, handle big data, consulting in applied data-science specifics.
- Aggregation (ETL) of big data volumes to predict large-scale customer segments to monetize data (DMP/DSP).
- Maintaining and monitoring since 02/2020.
- Technologies: Linux, Git, Jupyter, fastapi, Docker, Apache Spark, Python PySpark, Pandas, Scikit- Learn, NumPy, TensorFlow/Keras, MongoDB, PostgreSQL, H2O.ai, TensorFlow, PyTorch, and Tableau.
Data-Science Expert
Pro7/Virtual Minds GmbH
- ETL
- Reporting
- Predictive Modeling (Classification, Regression etc.)
- Classification models in predictive behavioral context
- Feature Engineering, Confusion Matrix, Lift Charts
- API Development
- Dockerizing and improving different Machine Learning and Reporting Services with PostgreSQL & MongoDB
- End2End data solution
- Maintenance
- Technologies: Git, PySpark, CI/CD (GitLab pipelines / GitHub actions), Databricks, Pandas, Python, SQL, PostgreSQL, Terraform, Airflow, Jupyter, K8s, GCP, Streamlit, Huggingface, FastAPI
Data-Science and AWS Expert
Wetter.com GmbH
- Conceptual design, ETL and develop a machine learning application with a focus on weather effects in terms of sales forecasts.
- Evaluation of AWS SageMaker in terms of scalability
- Generating large-scale machine learning models and predictions with AWS.
- End2End data solution.
- Regression models in retail context
- Feature Engineering, Model Evaluation
- Technologies: Linux, Git, CI/CD (GitLab pipelines), Jupyter, Docker, Python, Scikit-learn, Pandas, TensorFlow, PyTorch, AWS Lambda, AWS Glue, AWS S3, AWS Athena, AWS SageMaker, AWS Dynamo DB, AWS Document DB, AWS SQS, Serverless.com, and Tableau.
Data-Science Expert
Mediascale GmbH & Co. KG
- Conceptual design and develop a machine learning application to predict online marketing segments in terms of online surf behavior.
- Classification models in predictive behavioral context
- FeatureEngineering, ConfusionMatrix, LiftCharts
- Apply machine learning algorithms, handle big data, consulting in applied data-science specifics.
- Aggregation (ETL) of big data volumes to predict large-scale customer segments to monetize data (DMP/DSP).
- Operations and monitoring since 12/2018.
- Technologies: Linux, Git, Jupyter, Docker, Apache Spark, Python, Pandas, Scikit- Learn, Numpy, Tensorflow/Keras, and H2O.ai.
Data Expert
Virtualminds GmbH
- Building an ETL app to handle big data and generate reports.
- Operations and monitoring since 07/2017.
- Technologies: Linux, Git, Jupyter, PostgreSQL, Python, and AWS.
Head of Data Science
DataXtrade GmbH
- Mentoring
- Analyzing data and predictive modeling with machine learning algorithms and handling big data.
- Working with DSP Technologies (Adform, The Trade Desk, Google DMP, Google DDP).
- Monitoring of data-driven processes.
- Collaboration and coordination with managing partners, software developers, and team members.
- Consulting clients and data partners in terms of marketing, data-driven, and analytical processes.
- Leading team members.
- Classification models in predictive behavioral context
- FeatureEngineering, ConfusionMatrix, LiftCharts
- Technologies: MS Office, Linux, Git, Jupyter, Docker, Django, PostgreSQL, R, Apache Spark, Python, PySpark, Pandas, Scikit-Learn, Numpy, Tensorflow/Keras and MongoDB.
Senior Data Scientist
ProSiebenSat.1 Digital & Adjacent GmbH
- TV campaign optimization, media attribution, segmentation, and impact modeling.
- Collaboration and coordination with different stakeholders and partners.
- Handling big data.
- Technologies: MS Office, Linux, PostgreSQL, Spark, R, Python, MongoDB, and Hadoop/Hive.
Head of Data Science
Smartstream.TV GmbH
- Development of a predictive behavioral targeting and analytical reporting backend with predictive analytics.
- Campaign optimizing.
- KPI development.
- Log file analytics and handling big data.
- Evaluation of external vendors (data and software products).
- Monitoring of data-driven processes.
- Collaboration and coordination with members from software development and ad management.
- Lead software developers for data-driven issues.
- Classification models in predictive behavioral context
- FeatureEngineering, ConfusionMatrix, LiftCharts
- Technologies: MS Office, MySQL, R, Python, Git, Django, Weka, Redis, MongoDB, and Linux.
Data Scientist
Anovum GmbH
- Consulting in churn- and predictive analytics.
- Technologies: MS Office, MySQL, R, Python, Weka, MongoDB, and Linux.
Data Scientist
GroupM Germany GmbH
- Development, analytics, and consulting with a focus on predictive behavioral targeting and predictive analytics.
- Technologies: MS Office, MySQL, R, Python, Weka, MongoDB, and Linux.
Data Scientist
Movad GmbH
- Conceptual design Development of a fingerprint tracking system.
- KPI development.
- Consulting in predictive analytics.
- Handling big data.
- Technologies: MS Office, MySQL, R, Django, Python, Redis, MongoDB, and Linux.
Data Science Consultant
Datalicious Pty Ltd
- Media Attribution
Language Courses
Stay Abroad
Chief Statistics
Eyewonder LLC
- Conceptual design and development of a predictive behavioral targeting system with predictive analytics.
- Campaign optimizing.
- KPI development.
- Monitoring of data-driven processes.
- Log file analytics and handling big data.
- Development of an internal analytical reporting application.
- Collaboration and coordination with members from software development and ad management.
- Leading up to 5 team members.
- Technologies: R, Weka, SPSS, Python, Bash, SQL, and Django/Highcharts.
Data Scientist
Anovum GmbH
- Segmentation analytics.
- Technologies: SPSS and R.
Conjoint Expert
Spiegel Institut Mannheim GmbH
- Training and consulting in conjoint methods.
- Technologies: Sawtooth.
Conjoint Expert
Siemens Medizintechnik
- Development of an adaptive conjoint design and study execution.
- Server hosting.
- Analytics (market simulation) and result aggregation.
- Technologies: Office, Apache, and Sawtooth.
Data Science Professional
United Internet AG
- Conceptual design and development of a predictive behavioral targeting system with predictive analytics.
- Processing and handling big data (ETL).
- Evaluation of data mining software.
- Preparation of the analytical results and presentation to internal clients.
- Collaboration and coordination with members from software development and ad management.
- Leading up to 4 team members.
- Technologies: R, SPSS, Insightful-Miner, Weka, Python, Linux, and Oracle.
Conjoint Expert
Miele & Cie. KG
- Conjoint analytics with cost optimization and server hosting (conjoint survey).
- Technologies: MS Office, Apache, and Sawtooth.
Data Scientist
Euler-Hermes Kreditversicherungs AG
- Analytics, training, and consulting in predictive churn prevention.
- Technologies: Oracle and R.
Data Scientist
Dexia Banque
- Database marketing with predictive analytics and online surveys.
- Technologies: MS Office, SPSS, and Weka.
Conjoint Expert
TDC-Switzerland AG Sunrise
- Conjoint analytics and segmentation.
- Technologies: MS Office, R, and Sawtooth.
Conjoint Expert
Globalpark GmbH
- Consulting in conjoint analytics.
- Technologies: Sawtooth.
Data Scientist
Questico AG
- ETL processing for data science objectives.
- Applying machine learning algorithms for activation, churn prevention, and re-activation for cost-optimization issues in direct marketing.
- Monitoring proactive direct marketing strategies.
- Collaboration and coordination with members of software development.
- Technologies: Oracle, SPSS, and R.
Market Research Expert
Forsa GmbH
- Evaluation of online survey software products.
Statistical Consultant
Freelance Business
- Handling first statistical consulting projects
- Technologies: MySQL, Oracle, SPSS and R.
Statistician
Metrinomics GmbH (spin-off Modalis Inc.)
- Statistical analytics in market research (Conjoint, Customer-Satisfaction and Image surveys, etc.).
- Technologies: SPSS, Sawtooth, R, Excel-VBA, and MS Office.
Manager-Statistics
Modalis Inc.
- Statistical analytics in market research (Conjoint, Customer-Satisfaction and Image surveys, etc.).
- Technologies: SPSS, R, Sawtooth, Excel-VBA, and MS Office.
Junior Statistician
Consilium & Co. GmbH.
- Statistical analytics in market research.
- Technologies: SPSS, R, and MS Office.
Student Assistant
TU Darmstadt
- Statistical analysis.
- Technologies: SPSS, MS Office.
Student Assistant
Research Center Jülich
- Statistical analysis and online research.
- Technologies: SPSS, MS Office.
Industry Experience
See where this freelancer has spent most of their professional time.
Experienced in Advertising, Media and Entertainment, Information Technology, Professional Services, Education, and Pharmaceutical.
Business Area Experience
See which departments and functions this freelancer has contributed to most.
Experienced in Business Intelligence, Marketing, Research and Development, Information Technology, Product Development, and Customer Service.
Summary
As a data professional with over 20 years of experience, I have a passion for leveraging statistical methods and data analysis to create value. I have worked in various sectors, designing, developing, and supporting systems for predictive behavioral targeting. My expertise spans the entire data-driven application chain, from handling raw data to building cloud architecture, programming databases with SQL, developing applications, conducting predictive analytics, and creating dashboards.
Furthermore, I’m working on concepts and strategies to deploy Large Language Model solutions fast and easy (i.e. Kubernetes, AWS Bedrock, etc.).
Skills
- Os: Linux And Windows.
- Data Science: Spss, R + Rstudio, Weka, Apache Spark, Python Tensorflow, Pytorch, Keras, Fast.ai, H2o.ai, And Databricks.
- Database: Oracle, Ms-sql Server, Mysql, And Postgresql.
- Nosql: Redis, Mongodb, And Hadoop/hive.
- Online-survey/conjoint: Sawtooth.
- Programming: Zmq, Bash, Sql, Pl/sql, R, Python, And Scala (Basics).
- Cloud: Aws, Google Cloud Computing, Azure, And Serverless.
- Others: Office, Tableau, Google Ads, Plotly, Nginx, Django, Flask, Vagrant, Docker, Kedro, Apache Airflow, And Git, Dbt, K8s.
- Genai: Langchain, Langgraph, Pydanticai
Languages
Education
Technical University Darmstadt
Diploma in sociology, statistics, decision theory, and business cycle theory. · Sociology · Darmstadt, Germany · 1.5 (very good)
Philipps University Marburg
Intermediate diploma in sociology · Sociology · Marburg, Germany
Neuwied Technical High School
Abitur, electrical engineering, physics, and social science. · Neuwied, Germany
Statistics
Experience
Global Experience
Expertise
Qualifications
Profile
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