Recommended expert
Ahmad Varasteh
Data Scientist & AI Engineer
Experience
May 2025 - Present
10 monthsKonstanz, Germany
Data Scientist & AI Engineer
Exorbyte GmbH
- Lead engineer for the MatchMaker Toolbox (KNIME): Index Builder, Approximate Matcher, Character Mapper, license nodes
- Designed M|ARS (MatchMaker Agentic Retrieval System) — hybrid retrieval combining deterministic search + LLM tooling
- Developed internal RAG and search prototypes (MatchMaker + vector search + LLM)
Nov 2024 - May 2025
7 monthsBerlin, Germany
AI Curriculum Portfolio Manager
Ironhack
- Led the design and development of AI/Data curriculum including learning objectives, project design, and assessments
- Built hands-on AI modules (LLMs, ML, data processing)
- Improved content development workflow and introduced structured curriculum frameworks
Aug 2023 - Aug 2024
1 year 1 monthKonstanz, Germany
Data Scientist
User Generated Design GmbH
- Developed AI products across logistics, production, sustainability, and sales domains
- Built CO₂ emission estimation system using LangChain, GraphRAG, Neo4j, Azure OpenAI
- Created order automation using Llama 3.0 → +6% conversion increase (A/B testing)
- Implemented predictive maintenance on vibration data (PCA, IoT Hub)
Apr 2022 - Oct 2022
7 monthsKonstanz, Germany
Lecturer
University of Konstanz
- Topics taught: Text Mining, JSON, REST APIs, Python, Pandas
Nov 2021 - Jun 2023
1 year 8 monthsKonstanz, Germany
Data Science Intern
KNIME AG
- Built dashboards and analytics visualizations (D3.js, Plotly, ECharts)
- Developed geospatial and process-based visualization components
- Supported curriculum and learning material development for the Data Evangelism Team
Feb 2020 - Dec 2024
4 years 11 monthsMountain View, United States
AI Course Author
Coursera Inc.
- Created 10+ AI/ML courses for more than 80,000 global learners
- Focus areas: LLMs, Python, PySpark, Generative AI, Data Science
- Designed real-world scenarios for B2B and B2C learning programs
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 (5.5 years), Information Technology (2.5 years), Transportation (1 year), and Manufacturing (1 year).
Education
Information Technology
Transportation
Manufacturing
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 Product Development (6 years), Research and Development (1.5 years), Business Intelligence (1.5 years), Information Technology (1 year), Logistics (1 year), and Production (1 year).
Product Development
Research and Development
Business Intelligence
Information Technology
Logistics
Production
Summary
Data Scientist and AI Engineer specializing in LLMs, RAG systems, deterministic matching, AI-powered search, and intelligent automation. Experienced in building production-grade solutions using Python, LangChain, KNIME, Neo4j, and Azure.
Taught and mentored a global community of 80,000+ learners through Coursera’s AI and Data Science programs.
Skills
- Python
- Java
- Javascript
- C/c++/c#
- Llms
- Rag
- Langchain
- Pytorch
- Tensorflow
- Scikit-learn
- Graphrag
- Deterministic Matching
- Indexing
- Similarity Search
- Azure Ml
- Azure Openai
- Iot Hub
- Fastapi
- Node.js
- Flask
- Knime
- Power Bi
- D3.js
- Plotly
- Echarts
- Postgresql
- Mongodb
- Neo4j Aura
- Spark
- Hadoop
Languages
Persian
NativeEnglish
AdvancedGerman
IntermediateEducation
Oct 2021 - Sep 2023
University of Konstanz
Master of Science, Computer and Information Science · Computer and Information Science · Konstanz, Germany
Oct 2014 - Jun 2018
Sadjad University of Technology
Bachelor of Science, Software Engineering · Software Engineering · Mashhad, Iran, Islamic Republic of
Profile
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Frequently asked questions
Do you have questions? Here you can find further information.
Where is Ahmad based?
Ahmad is based in Konstanz, Germany.
What languages does Ahmad speak?
Ahmad speaks the following languages: Persian (Native), English (Advanced), German (Intermediate).
How many years of experience does Ahmad have?
Ahmad has at least 6 years of experience. During this time, Ahmad has worked in at least 6 different roles and for 6 different companies. The average length of individual experience is 1 year. Note that Ahmad may not have shared all experience and actually has more experience.
What roles would Ahmad be best suited for?
Based on recent experience, Ahmad would be well-suited for roles such as: Data Scientist & AI Engineer, AI Curriculum Portfolio Manager, Data Scientist.
What is Ahmad's latest experience?
Ahmad's most recent position is Data Scientist & AI Engineer at Exorbyte GmbH.
What companies has Ahmad worked for in recent years?
In recent years, Ahmad has worked for Exorbyte GmbH, Ironhack, User Generated Design GmbH, University of Konstanz, and KNIME AG.
Which industries is Ahmad most experienced in?
Ahmad is most experienced in industries like Education, Information Technology (IT), and Transportation and Logistics. Ahmad also has some experience in Manufacturing.
Which business areas is Ahmad most experienced in?
Ahmad is most experienced in business areas like Product Development, Business Intelligence, and Research and Development (R&D). Ahmad also has some experience in Logistics, Production/Manufacturing, and Sustainability Management.
Which industries has Ahmad worked in recently?
Ahmad has recently worked in industries like Education, Information Technology (IT), and Transportation and Logistics.
Which business areas has Ahmad worked in recently?
Ahmad has recently worked in business areas like Product Development, Business Intelligence, and Research and Development (R&D).
What is Ahmad's education?
Ahmad holds a Master in Computer and Information Science from University of Konstanz and a Bachelor in Software Engineering from Sadjad University of Technology.
What is the availability of Ahmad?
Ahmad is immediately available part-time for suitable projects.
What is the rate of Ahmad?
Ahmad's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.
How to hire Ahmad?
To hire Ahmad, click the Meet button on the profile to request a meeting and discuss your project needs.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
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Market avg: 740-900 €
Market avg: 740-900 €
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.
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