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Aziz Ajrir

Senior Data Scientist & AI Engineer Consultant

Aziz Ajrir
Mönchengladbach, Germany

Experience

Sep 2021 - Feb 2025
3 years 6 months

Senior Data Scientist & AI Engineer Consultant

Lialab SAS

  • At Groupama: Developed several chatbots based on Retrieval-Augmented Generation (RAG) to optimize internal processes and customer communication.
  • At PwC: Set up an AI lab and developed various AI use cases.
  • At La Poste: Analyzed and improved data quality in the data lake.
  • At ARTE TV: Built a recommendation system based on NLP for better content discovery.
Jan 2018 - Jun 2021
3 years 6 months

Data Scientist Consultant

Starclay

  • At BPCE Bank: Developed machine learning and computer vision solutions for the banking sector.
  • At Air Liquide: Conducted data analysis in the industrial sector to identify production sites with abnormal maintenance costs.
  • At Sonepar: Performed customer churn analysis (Churn Prediction).
Sep 2016 - Nov 2017
1 year 3 months

Data Scientist

ST Microelectronics

  • Root cause analysis and anomaly detection in semiconductor manufacturing.
  • Used statistical methods and machine learning to explain yield losses.
  • Automated detection and classification of WaferMap signatures.

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 Insurance (3.5 years), Media and Entertainment (3.5 years), Professional Services (3.5 years), Government and Administration (3.5 years), Energy (3.5 years), and Banking and Finance (3.5 years).

Insurance
Media and Entertainment
Professional Services
Government and Administration
Energy
Banking and Finance

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 Business Intelligence (7 years), Customer Service (3.5 years), Product Development (3.5 years), Marketing (3.5 years), Operations (3.5 years), and Quality Assurance (1 year).

Business Intelligence
Customer Service
Product Development
Marketing
Operations
Quality Assurance

Summary

Dedicated Data Scientist focused on artificial intelligence and data-driven solutions.

Skills

  • Python

  • Pyspark

  • R

  • Sql

  • Cloud

  • Azure

  • Git

  • Fastapi

  • Rag

  • Langchain

  • Power Bi

  • Dash

  • Plotly

  • Streamlit

  • Postgresql

  • Oracle

  • Teradata

  • Redis

  • Teamwork

  • Self-initiative

  • Analytical Thinking

  • Willingness To Learn

  • Effective Time And Project Management

Languages

Arabic
Native
French
Native
German
Advanced
English
Advanced

Education

Oct 2014 - Jun 2016

Aix-Marseille University

Master of Engineering, focus on Data Science · Applied Mathematics · France

Certifications & licenses

Kubernetes

Google Cloud

MLOps

DeepLearning.AI

Dataiku

Dataiku Academy

Knime

Business & Decision

CAPES in Mathematics

Profile

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Frequently asked questions

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

Where is Aziz based?

Aziz is based in Mönchengladbach, Germany.

What languages does Aziz speak?

Aziz speaks the following languages: Arabic (Native), French (Native), German (Advanced), English (Advanced).

How many years of experience does Aziz have?

Aziz has at least 8 years of experience. During this time, Aziz has worked in at least 3 different roles and for 3 different companies. The average length of individual experience is 3 years and 8 months. Note that Aziz may not have shared all experience and actually has more experience.

What roles would Aziz be best suited for?

Based on recent experience, Aziz would be well-suited for roles such as: Senior Data Scientist & AI Engineer Consultant, Data Scientist Consultant, Data Scientist.

What is Aziz's latest experience?

Aziz's most recent position is Senior Data Scientist & AI Engineer Consultant at Lialab SAS.

What companies has Aziz worked for in recent years?

In recent years, Aziz has worked for Lialab SAS and Starclay.

Which industries is Aziz most experienced in?

Aziz is most experienced in industries like Insurance, Media, Entertainment and Publishing, and Professional Services. Aziz also has some experience in Government and Public Administration, Energy, and Banking and Finance.

Which business areas is Aziz most experienced in?

Aziz is most experienced in business areas like Business Intelligence, Customer Service, and Product Development. Aziz also has some experience in Marketing, Operations, and Quality Assurance (QA).

Which industries has Aziz worked in recently?

Aziz has recently worked in industries like Insurance, Media, Entertainment and Publishing, and Professional Services.

Which business areas has Aziz worked in recently?

Aziz has recently worked in business areas like Business Intelligence, Customer Service, and Product Development.

What is Aziz's education?

Aziz holds a Master in Applied Mathematics from Aix-Marseille University.

Does Aziz have any certificates?

Aziz has 5 certificates. Among them, these include: Kubernetes, MLOps, and Dataiku.

What is the availability of Aziz?

Aziz is immediately available for suitable projects.

What is the rate of Aziz?

Aziz'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 Aziz?

To hire Aziz, 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.

1200
900
600
300
Market avg: 850-1010 €
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.