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 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.

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 , and Professional Services .

Q: Which business areas is Sophia most experienced in?

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

Q: Which industries has Sophia worked in recently?

Sophia has recently worked in industries like Education , Information Technology , and Professional Services .

Q: Which business areas has Sophia worked in recently?

Sophia has recently worked in business areas like Research and Development , Information Technology , and Product Development .

Recommended expert

Cologne, Germany

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Experience

Mar 2025 - Present

1 year 6 months

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

Industry Experience

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

Experienced in Education, Information Technology, and Professional Services.

Education

Information Technology

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.

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

Statistics

Experience

Total positions 3

Experience in Education 4 y

Avg length 1 y 11 m

Longest experience 3 y 11 m

Global Experience

Countries worked in 1 (Germany)

Primary country Germany

Expertise

Recent roles AI Engineer & Technical Consultant, AI & Data Science Consultant, Research Associate

Main industries Education, Information Technology, Professional Services

Main business areas Research and Development, Information Technology, Product Development

Qualifications

Highest degree Master

Profile

Created

September 2025

Last Update

June 2026

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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.

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.

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

Salary / Daily Rate Distribution

0 2 4 6 8

<€480 €480-640 €640-800 €800-960 €960+

The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.

Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

1000

750

500

250

Daily rate avg. 770 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

1000

750

500

250

Median rate 800 €

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.

Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.