Katharina S.-AI Engineer
Check rate
Experience
AI Engineer
- Designed and implemented end-to-end automated workflows for extracting structured data from semi-structured PDF documents including invoices and medical reports
- Leveraged Optical Character Recognition (OCR) technology and large language models to parse documents and generate validated JSON schemas
- Engineered prompt optimization strategies and rule-based classification hierarchies to enhance parsing accuracy across diverse document layouts
- Established quality assurance framework using evaluation metrics to validate output against ground truth datasets with 96% accuracy
Senior Data Scientist
x-cardiac
- Collaborated with interdisciplinary teams to integrate AI solutions into clinical decision-making workflows
- Extracted, cleaned, prepared, and analyzed large medical datasets to identify patterns and support product development
- Applied statistical methods to interpret data, quantify uncertainties, and guide development decisions
- Built and maintained automated pipelines for continuous data processing
Senior Data Scientist
zahneins
- Integrated patient data management systems and performed data modelling
- Utilized Docker, FastAPI, and REST API technologies
Data Scientist
- Developed a predictive model for car damage costs and actions with 85% accuracy
- Utilized SQL, Git, and DVC
Data Scientist
- Developed MLOps infrastructure and optimized predictive models
- Utilized Jupyter and project management methodologies
Data Scientist
Daredata
- Developed data-driven decision support systems for an international brewing company
Data Scientist
Daredata
- Implemented a web scraper for a US marketplace
Intelligence Architect
Birds on Mars
Data Strategist
Alexander Thamm GmbH
Consultant Big Data/Analytics
Woodmark AG
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Healthcare, Information Technology, Food and Beverage, Banking and Finance, Automotive, and Professional Services.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Business Intelligence, Information Technology, Product Development, Research and Development, Quality Assurance, and Project Management.
Summary
AI Engineer who makes AI actually useful. I translate between business requirements and tech solutions, building intelligent automation and data pipelines that improve processes and generate real impact. With 10 years across industries, I've learned that the best solutions come from understanding the problem deeply, getting hands dirty with messy data, and shipping pragmatic, maintainable code that solves today's problems. Fast learner who thinks in systems—I see the big picture while debugging the details.
Skills
- Python
- Large Language Models (Llm)
- Openai
- Claude
- Gemini
- Llama
- Mistral
- Retrieval Augmented Generation (Rag)
- Langchain
- Streamlit
- Pandas
- Pydantic
- Postgresql
- Cloud: Aws
- Cloud: Azure
- Cloud: Gcp
- Docker
- Fastapi
- Restapi
- Sql
- Git
- Dvc
- Jupyter
- Project Management
Languages
Education
University of Ulm
Master of Science, Mathematics & Management · Mathematics & Management · Ulm, Germany
University of Ulm
Bachelor of Science, Mathematical Biometry · Mathematical Biometry · Ulm, Germany
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Katharina is based in Berlin, Germany and can operate in on-site, hybrid, and remote work models.
Katharina speaks the following languages: German (Native), Russian (Native), English (Advanced).
Katharina has at least 9 years of experience. During this time, Katharina has worked in at least 6 different roles and for 6 different companies. The average length of individual experience is 1 year and 11 months. Note that Katharina may not have shared all experience and actually has more experience.
Based on recent experience, Katharina would be well-suited for roles such as: AI Engineer, Senior Data Scientist, Data Scientist.
Katharina's most recent position is AI Engineer.
In recent years, Katharina has worked for x-cardiac, zahneins, and Daredata.
Katharina is most experienced in industries like Healthcare, Information Technology, and Food and Beverage. Katharina also has some experience in Banking and Finance, Automotive, and Professional Services.
Katharina is most experienced in business areas like Business Intelligence, Information Technology, and Product Development. Katharina also has some experience in Research and Development, Quality Assurance, and Project Management.
Katharina has recently worked in industries like Healthcare, Food and Beverage, and Banking and Finance.
Katharina has recently worked in business areas like Business Intelligence, Product Development, and Research and Development.
Katharina holds a Master in Mathematics & Management from University of Ulm and a Bachelor in Mathematical Biometry from University of Ulm.
The availability of Katharina needs to be confirmed.
Daily rate distribution
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 7 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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