Sophia Wagner-AI Engineer & Technical Consultant
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Experience
AI Engineer & Technical Consultant
Freelance
- Delivered ML pipelines for OCR, semantic search, and computer vision
- Integrated Azure AI Agents and GPT workflows for automation and QA
- Deployed cloud-based FastAPI services with scalable architecture
- Created integration docs and advised on LLM production readiness
AI & Data Science Consultant
Tensora
- Built ML pipelines for semantic search and document QA using Qdrant, LangChain, and OpenAI
- Developed FastAPI services and deployed PyTorch models in production
- Designed agents for RAG and chatbot use cases
- Aligned model output with business KPIs through cross-functional collaboration
Research Associate
KIT & University of Cologne
- Conducted research in metric geometry with focus on curvature and embedding theory
- Published a peer-reviewed article in Geometriae Dedicata and collaborated on algorithmic interpretations of geometric problems
- Took initiative in bridging mathematical theory with computational methods through discussions on numerics and emerging AI applications
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Education, Information Technology, and Professional Services.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Research and Development, Information Technology, Product Development, and Business Intelligence.
Summary
AI Engineer & Technical Consultant specialising in LLM-powered chatbots, AI agents, semantic search and computer vision with deep expertise in Azure AI Services. Proven track record in delivering end-to-end cloud-native ML pipelines from prototype to scalable production that solve business problems, optimise workflows and accelerate time to market.
Skills
- Programming & Frameworks: Python, Sql, Java, Typescript, Node.Js, Fastapi
- Machine Learning & Ai: Pytorch, Tensorflow, Scikit-Learn, Pydantic, Transformers, Llms, Langchain, Gpt-Based Agents, Rag Systems, Ocr
- Cloud & Deployment: Azure, Azure Ai Services, Azure Functions, Azure Ai Foundry, Databricks, Kubernetes, Terraform, Docker
- Tools & Devops: Github, Gitlab, Azure Devops, Jenkins, Ci/Cd, Confluence, Jira, Linux, Markdown, Latex
- Vector & Search Systems: Qdrant, Semantic Search, Retrieval Pipelines
Languages
Education
University of Cologne
Master of Science, Mathematics · Mathematics · Cologne, Germany · 1.2 with Distinction
University of Cologne
Bachelor of Science, Mathematics & Economics · Mathematics & Economics · Cologne, Germany
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Sophia is based in Cologne, Germany.
Sophia speaks the following languages: German (Native), English (Advanced).
Sophia has at least 6 years of experience. During this time, Sophia has worked in at least 3 different roles and for 3 different companies. The average length of individual experience is 2 years and 11 months. Note that Sophia may not have shared all experience and actually has more experience.
Based on recent experience, Sophia would be well-suited for roles such as: AI Engineer & Technical Consultant, AI & Data Science Consultant, Research Associate.
Sophia's most recent position is AI Engineer & Technical Consultant at Freelance.
In recent years, Sophia has worked for Freelance, Tensora, and KIT & University of Cologne.
Sophia is most experienced in industries like Education, Information Technology, and Professional Services.
Sophia is most experienced in business areas like Research and Development, Information Technology, and Product Development. Sophia also has some experience in Business Intelligence.
Sophia has recently worked in industries like Education, Information Technology, and Professional Services.
Sophia has recently worked in business areas like Research and Development, Information Technology, and Product Development.
Sophia holds a Master in Mathematics from University of Cologne and a Bachelor in Mathematics & Economics from University of Cologne.
Sophia is immediately available full-time for suitable projects.
Daily rate distribution
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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 26 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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