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André (Dr.) Gensler

MLOps, Python, Azure Cloud Engineer with Energy Economics Background

André Gensler
Kassel, Germany

Experience

Jul 2025 - Aug 2025
2 months

Schaumann GmbH

  • Full conception, design, implementation, and operation of a voice chatbot
  • Evaluation of different implementation concepts (STT, TTS, Speech-to-Speech)
  • Integration into telephony platforms
  • Implementation of dashboards and KPIs
  • Defining and aligning customer requirements
  • Technologies used: FastAPI, Deepgram, Elevenlabs, langchain, langgraph, GitHub Actions, Streamlit, Vonage
Jun 2025 - Sep 2025
4 months

Munich RE AG

  • Developed concepts and executed migrations for GenAI use cases
  • Defined and migrated role-based access control (RBAC) concepts across different cloud environments
  • Migrated cloud components between AWS and Azure, including VNET integration
  • Technologies used: Azure Entra, Azure DevOps, VNET, Kubernetes, Databricks, and more
Jul 2024 - May 2025
11 months

E.ON Energy Markets GmbH

  • Designed and developed an MLOps platform based on AzureML
  • Integrated algorithmic energy trading models with exchange trading systems
  • Created ETL jobs to run machine learning models
  • Set up DevOps processes with Azure DevOps
  • Technologies used: Azure ML, Azure DevOps, Python, Kubernetes, and more
Sep 2023 - Apr 2024
8 months

Vaillant Group

  • Developed various data pipelines to transform Apache Kafka data into analytics tables (Delta Tables, MS SQL Server) using PySpark
  • Designed and created NoSQL database schemas for big data processing (Data Vault / Data Mart / 3rd Normal Form)
  • Automated ETL job orchestration with Databricks
  • Managed data infrastructure in Azure, including GitHub Actions, Azure DevOps, and Azure Storage Accounts
  • Technologies used: Databricks, PySpark, GitHub Actions, Azure Storage Accounts
Mar 2022 - Jul 2024
2 years 5 months

Munich RE AG

  • Designed and developed a compliant MLOps solution for the machine learning model lifecycle in reinsurance
  • Built solutions for model monitoring
  • Developed a CI/CD system using Azure DevOps pipelines
  • Implemented centralized logging for multiple Azure services via Azure Monitor
  • Technologies used: Databricks, Azure DevOps, Kubernetes, Python, and more
Jun 2021 - Jul 2021
2 months

SMA Solar Technology AG

  • Automated global economic optimization of production planning using linear programming
  • Visualization and presentation of the results to internal stakeholders
  • Technologies used: Python, python-mip, pandas, JupyterLab, Plotly
Oct 2020 - Feb 2022
1 year 5 months

SMA Solar Technology AG

  • Conceptualized and provided technical consulting for implementing the algorithmic trading component of the overall project
  • Analyzed and quantitatively evaluated backtesting datasets from market price forecast providers
  • Technologies used: Python, python-mip, pandas, Azure DevOps, Docker
Jul 2020 - Aug 2020
2 months

SMA Solar Technology AG

  • Independently designed and delivered a multi-day specialized training on data analysis with Python multiple times
  • Technologies used: Python, NumPy, pandas, Matplotlib, Jupyter, scikit-learn
Jan 2020 - May 2020
5 months

SMA Solar Technology AG

  • Data-driven forecasting of sales figures for individual product groups based on historical sales data and market development models
  • Visualization and presentation of the results to internal stakeholders
  • Technologies used: Python, scikit-learn, Prophet, statsmodels, pandas, Plotly
Jul 2019 - Dec 2019
6 months

SMA Solar Technology AG

  • Introduced a CI/CD process for an operational Python analysis framework with Gitflow-like actions (automated unit/integration testing, semantic versioning, automated containerization, automatic deployment)
  • Implemented using Azure DevOps in a hybrid cloud/on-premises infrastructure
  • Technologies used: Azure DevOps, Azure Container Registry, Azure Artifacts, Python, Shell scripts, Ansible, SemVer, Docker
Oct 2018 - Jun 2019
9 months

SMA Solar Technology AG

  • Creation of a configurable Python framework for conducting predictive maintenance analyses and building internal data processing libraries and pipelines
  • Development of expert functions to detect specific faults in photovoltaic inverters
  • Prediction of failure probabilities for individual components using isotonic regression models
  • Technologies used: Python, pandas, NumPy, scikit-learn, SQLAlchemy, PyArrow
Dec 2015 - Aug 2017
1 year 9 months

University of Kassel

  • Carried out complete machine learning experiment workflows (preprocessing, data filtering, feature engineering, experiment design) for power forecasting of wind turbines (intraday and day-ahead horizons)
  • Created parametric and nonparametric density forecasts of power output
  • Developed a new ensemble technique to dynamically weight and combine individual density forecasts into a mixed ensemble model
  • Gained foundational knowledge in grid simulation for BMWi funding applications
  • Technologies used: MATLAB, Neural Net Toolbox, Machine Learning Toolbox, Optimization Toolbox, Global Optimization Toolbox
May 2015 - Nov 2015
7 months

University of Kassel

  • Developed an algorithm to detect events in time series using supervised learning principles
  • Evaluated the online-capable algorithm with synthetic and real data (e.g., ECG data streams)
  • Published the algorithm on Springer Link

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Energy (6 years), Insurance (2.5 years), and Education (0.5 years).

Energy
Insurance
Education

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (5.5 years), Research and Development (3.5 years), Business Intelligence (2 years), and Product Development (1 year).

Information Technology
Research and Development
Business Intelligence
Product Development

Skills

  • Software Engineering (Python). Solid Knowledge In Designing Software Frameworks With Implemented Applications In Platform Engineering, Predictive Maintenance, And Computer Vision.

  • Cloud Engineering & Devops. Several Years Of Operational Experience Running Multiple Python Software Services In Native And Hybrid Cloud Environments Using Azure Devops (Continuous Integration / Deployment, Containerization, Monitoring, Etc.) And Many Azure Services.

  • Machine Learning, Pattern Recognition, Time Series Forecasting With Implemented Applications In Predicting Renewable Energy Output, Energy Market Trading, And More.

  • Energy Forecasting And Trading. Phd In Energy Forecasting, Several Years Of Energy Economics Background With Applications Including Energy Trading.

  • Python. 9 Years. Daily Use For Data Engineering And Machine Learning.

  • Matlab. 7 Years. Long-term Experience With Ml & Statistical Toolboxes.

  • Sql. 4 Years. Performing Inter-table Queries.

  • Pandas. 8 Years. Preparing And Cleaning Heterogeneous Time Series Data.

  • Mlflow. 6 Years. Ml Model Life-cycle Management.

  • Pytest. 6 Years. Unit/integration Testing For Software Frameworks.

  • Azure Sdk. 4 Years. Extensive Use Of Many Azure Sdk Features.

  • Restful Api. 5 Years. Used As Front-end For Microservices With Flask, Fastapi & Openapi.

  • Pydantic. 3 Years. Robust Rest Api Design.

  • Numpy. 6 Years. Accelerating Loops With Vector Operations.

  • Scikit-learn. 6 Years. Implementing Ml Models For Microservices.

  • Sqlalchemy. 4 Years. Introducing An Orm System Into A Software Framework.

  • Plotly. 3 Years. Creating Interactive Plots And Dashboards.

  • Statsmodels. 2 Years. Time Series Analysis And Forecasting.

  • Git. 7 Years. Designing Various Branching Workflows In Ci/cd.

  • Docker. 3 Years. Developing Containers For Microservice Deployment.

  • Scripting. 5 Years. Shell Scripting On Windows And Linux (Bash, Powershell).

  • Azure Devops. 5 Years. Operating A Software Framework (Ci/cd).

  • Azureml. 4 Years. Development & Automated Endpoint Deployment In Azureml.

  • Databricks. 3 Years. Using Various Databricks Apis.

  • Managed Identity (Mi). 5 Years. Using Managed Identity Authentication.

  • Cosmosdb. 3 Years. Designing Schema-less Nosql Databases.

  • Aci. 2 Years. Configuration & Deployment With Azure Container Instances.

  • Azure Functions. 2 Years. Creating Serverless Functions.

  • Vnet. 2 Years. Designing Vnet Architectures Including Private & Service Endpoints.

  • Acr. 4 Years. Container Management With Azure Container Registry.

  • Keyvault. 5 Years. Using Credentials Without Explicit Code Storage.

  • Aad Auth. 2 Years. Developing Authentication Workflows With Microsoft Entra.

Languages

German
Advanced
English
Advanced
French
Intermediate

Education

Oct 2013 - Jun 2018

University of Kassel

Doctor of Natural Sciences, Wind Power Ensemble Forecasting – Performance Measures and Ensemble Architectures For · Energy Forecasting · Kassel, Germany · Grade 1.0

Oct 2011 - Jun 2012

Aschaffenburg University of Applied Sciences

Master of Engineering · Electrical and Information Engineering · Aschaffenburg, Germany · Grade 1.1

Oct 2007 - Jun 2011

Aschaffenburg University of Applied Sciences

Bachelor of Engineering · Electrical and Information Engineering · Aschaffenburg, Germany · Grade 2.0

Certifications & licenses

Cambridge BEC Certificate

Cambridge

Profile

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is André based?

André is based in Kassel, Germany and can operate in on-site, hybrid, and remote work models.

What languages does André speak?

André speaks the following languages: German (Advanced), English (Advanced), French (Intermediate).

How many years of experience does André have?

André has at least 9 years of experience. During this time, André has worked and for 6 different companies. The average length of individual experience is 1 year and 8 months. Note that André may not have shared all experience and actually has more experience.

What companies has André worked for in recent years?

In recent years, André has worked for Schaumann GmbH, Munich RE AG, E.ON Energy Markets GmbH, Vaillant Group, and SMA Solar Technology AG.

Which industries is André most experienced in?

André is most experienced in industries like Energy, Insurance, and Education. André also has some experience in Agriculture and Biotechnology.

Which business areas is André most experienced in?

André is most experienced in business areas like Information Technology (IT), Research and Development (R&D), and Business Intelligence. André also has some experience in Product Development and Production/Manufacturing.

Which industries has André worked in recently?

André has recently worked in industries like Energy, Insurance, and Agriculture.

Which business areas has André worked in recently?

André has recently worked in business areas like Information Technology (IT), Research and Development (R&D), and Business Intelligence.

What is André's education?

André holds a Doctorate in Energy Forecasting from University of Kassel, a Master in Electrical and Information Engineering from Aschaffenburg University of Applied Sciences and a Bachelor in Electrical and Information Engineering from Aschaffenburg University of Applied Sciences.

Does André have any certificates?

André has 1 certificate: Cambridge BEC Certificate.

What is the availability of André?

André is immediately available for suitable projects.

What is the rate of André?

André's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.

How to hire André?

To hire André, click the Meet button on the profile to request a meeting and discuss your project needs.

Average rates for similar positions

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Market avg: 830-990 €
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