Sophia Wagner - AI Engineer & Technical Consultant

Q: Where is Sophia based?

Sophia is based in Cologne, Germany .

Q: What languages does Sophia speak?

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

Q: How many years of experience does Sophia have?

Sophia has at least 5 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 9 months . Note that Sophia may not have shared all experience and actually has more experience.

Q: What is Sophia's latest experience?

Sophia's most recent position is AI Engineer & Technical Consultant at Freelance .

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

In recent years, Sophia has worked for Freelance , Tensora , and KIT & University of Cologne .

Q: Which industries is Sophia most experienced in?

Sophia is most experienced in industries like Education , Information Technology (IT) , and Professional Services .

Q: Which business areas is Sophia most experienced in?

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

Q: What is Sophia's education?

Sophia holds a Master in Mathematics from University of Cologne and a Bachelor in Mathematics & Economics from University of Cologne .

Q: What is the availability of Sophia?

Sophia is immediately available full-time for suitable projects.

Recommended expert

Cologne, Germany

Experience

Mar 2025 - Present

1 year

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

Oct 2024 - Mar 2025

6 months

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

Oct 2020 - Sep 2024

4 years

Karlsruhe, Germany

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

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 Education (4 years), Information Technology (1.5 years), and Professional Services (0.5 years).

Education

Information Technology

Professional Services

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 Research and Development (4 years), Information Technology (1.5 years), Product Development (1 year), and Business Intelligence (0.5 years).

Research and Development

Information Technology

Product Development

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

German

Native

English

Advanced

Education

Oct 2018 - Jun 2020

University of Cologne

Master of Science, Mathematics · Mathematics · Cologne, Germany · 1.2 with Distinction

Oct 2014 - Jun 2018

University of Cologne

Bachelor of Science, Mathematics & Economics · Mathematics & Economics · Cologne, Germany

Profile

Created

September 2025

Last Update

October 2025

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Frequently asked questions

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

Where is Sophia based?

Sophia is based in Cologne, Germany.

What languages does Sophia speak?

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

How many years of experience does Sophia have?

Sophia has at least 5 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 9 months. Note that Sophia may not have shared all experience and actually has more experience.

What roles would Sophia be best suited for?

Based on recent experience, Sophia would be well-suited for roles such as: AI Engineer & Technical Consultant, AI & Data Science Consultant, Research Associate.

What is Sophia's latest experience?

Sophia's most recent position is AI Engineer & Technical Consultant at Freelance.

What companies has Sophia worked for in recent years?

In recent years, Sophia has worked for Freelance, Tensora, and KIT & University of Cologne.

Which industries is Sophia most experienced in?

Sophia is most experienced in industries like Education, Information Technology (IT), and Professional Services.

Which business areas is Sophia most experienced in?

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

What is Sophia's education?

Sophia holds a Master in Mathematics from University of Cologne and a Bachelor in Mathematics & Economics from University of Cologne.

What is the availability of Sophia?

Sophia is immediately available full-time for suitable projects.

What is the rate of Sophia?

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