Oliver Köhn - Consultant for data-driven AI solutions

Q: Where is Oliver based?

Oliver is based in Saarbrücken, Germany .

Q: What languages does Oliver speak?

Oliver speaks the following languages: German (Native), English (Advanced) .

Q: How many years of experience does Oliver have?

Oliver has at least 7 years of experience. During this time, Oliver has worked in at least 4 different roles and for 4 different companies . The average length of individual experience is 2 years and 9 months . Note that Oliver may not have shared all experience and actually has more experience.

Q: What is Oliver's latest experience?

Oliver's most recent position is Consultant for data-driven AI solutions at Oliver Köhn - IT-Freelancer .

Q: What companies has Oliver worked for in recent years?

In recent years, Oliver has worked for Oliver Köhn - IT-Freelancer , Public Cloud Group Holding GmbH , and Finanz Informatik GmbH .

Q: Which industries is Oliver most experienced in?

Oliver is most experienced in industries like Information Technology and Banking and Finance .

Q: Which business areas is Oliver most experienced in?

Oliver is most experienced in business areas like Business Intelligence , Information Technology , and Product Development . Oliver also has some experience in Legal .

Q: Which industries has Oliver worked in recently?

Oliver has recently worked in industries like Information Technology and Banking and Finance .

Q: Which business areas has Oliver worked in recently?

Oliver has recently worked in business areas like Business Intelligence , Information Technology , and Product Development .

Recommended expert

Saarbrücken, Germany

Check rate

Experience

Dec 2024 - Present

1 year 8 months

Consultant for data-driven AI solutions

Oliver Köhn - IT-Freelancer

AI-powered automation with a focus on efficiency, information processing, and assistant systems
Automated email classification (OpenAI, FastAPI)
Contract analysis for LegalTech (Llama 3, LangGraph)
Internal knowledge search with RAG (VLLM, Hugging Face)
Anomaly detection on edge devices (LLAVA, TensorRT)
Agent system for management reports (LangGraph, Zapier)

Jul 2022 - Jul 2024

2 years 1 month

Berlin, Germany

Senior Data & AI Engineer

Public Cloud Group Holding GmbH

Development of production-ready AI solutions with a focus on automation and data-driven processes in a business context
Generative AI platform for a company-wide content workflow (AWS, Python)
Automated document analysis for reporting processes (Azure, LLMs)
Predictive analytics for machine failure forecasting (Azure, SAP)

Aug 2020 - Jul 2022

2 years

Frankfurt, Germany

IT Architect

Finanz Informatik GmbH

Development of data-driven analytics and simulation solutions in the financial sector with a focus on risk assessment, decision support, and innovative technologies such as quantum computing

Jan 2016 - Jun 2017

1 year 6 months

Frankfurt, Germany

Consultant

d-fine GmbH

Delivery of practical solutions for compliance, sentiment analysis, and stress testing with a focus on automation, data quality, and decision support

Zürich, Switzerland

Senior Data Consultant

adesso Schweiz AG

Machine failure prediction system with Azure & Python (Azure Synapse, ETL)
Analytics platform with automated pipelines & dashboards (Power BI, Tableau)
Migration of legacy data & reporting optimization in the Azure cloud

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology and Banking and Finance.

Information Technology

Banking and Finance

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Business Intelligence, Information Technology, Product Development, and Legal.

Business Intelligence

Information Technology

Product Development

Legal

Summary

I help companies use artificial intelligence in a practical way - especially for automating business processes, intelligently processing information, and improving internal workflows. I deliver projects from the first idea to production use - including document analysis, assistant systems, knowledge management, and data-based decision support.

Skills

Python
Sql/Nosql
Ai
Llms
Langchain
Fastapi
Azure
Docker
Rag
Agentic Al
Power Bi
Aws
Gcp
Adf
Microsoft Fabric
Postgres

Languages

German

Native

English

Advanced

Education

Jul 2023 - Jun 2024

IU International University of Applied Sciences

Master of Science, Data Science · Data Science · Germany

Jul 2017 - Jun 2020

Universität des Saarlandes; University of Wisconsin-Madison

Doctorate leading to Dr. rer. nat., Physics · Physics · Saarbrücken, Germany · very good

Aug 2014 - Dec 2015

Universität des Saarlandes

Master of Science, Physics · Physics · Saarbrücken, Germany

...and 1 more

Certifications & licenses

Microsoft Certified: Fabric Analytics Engineer Associate

Microsoft

Microsoft Certified: Azure Data Engineer Associate

Microsoft

Microsoft Certified: Azure Data Scientist Associate

Microsoft

Statistics

Experience

Total positions 5

Experience in Information Technology 5 y

Avg length 1 y 5 m

Longest experience 2 y

Global Experience

Countries worked in 2 (Germany, Switzerland)

Primary country Germany

Expertise

Recent roles Consultant for data-driven AI solutions, Senior Data & AI Engineer, IT Architect

Main industries Information Technology, Banking and Finance

Main business areas Business Intelligence, Information Technology, Product Development

Qualifications

Highest degree Doctorate

Certifications earned 3

Profile

Created

July 2025

Last Update

July 2026

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Frequently asked questions

Have questions? Find more information here.

Oliver is based in Saarbrücken, Germany.

Oliver speaks the following languages: German (Native), English (Advanced).

Oliver has at least 7 years of experience. During this time, Oliver has worked in at least 4 different roles and for 4 different companies. The average length of individual experience is 2 years and 9 months. Note that Oliver may not have shared all experience and actually has more experience.

Based on recent experience, Oliver would be well-suited for roles such as: Consultant for data-driven AI solutions, Senior Data & AI Engineer, IT Architect.

Oliver's most recent position is Consultant for data-driven AI solutions at Oliver Köhn - IT-Freelancer.

In recent years, Oliver has worked for Oliver Köhn - IT-Freelancer, Public Cloud Group Holding GmbH, and Finanz Informatik GmbH.

Oliver is most experienced in industries like Information Technology and Banking and Finance.

Oliver is most experienced in business areas like Business Intelligence, Information Technology, and Product Development. Oliver also has some experience in Legal.

Oliver has recently worked in industries like Information Technology and Banking and Finance.

Oliver has recently worked in business areas like Business Intelligence, Information Technology, and Product Development.

Oliver holds a Doctorate in Physics from Universität des Saarlandes; University of Wisconsin-Madison, a Master in Data Science from IU International University of Applied Sciences, a Master in Physics from Universität des Saarlandes and a Bachelor in Physics from Universität des Saarlandes.

Oliver has 3 certificates. These include: Microsoft Certified: Fabric Analytics Engineer Associate, Microsoft Certified: Azure Data Engineer Associate, and Microsoft Certified: Azure Data Scientist Associate.

Oliver is immediately available part-time for suitable projects.

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

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