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Yoan BellepercheYB

Yoan Belleperche

Data Scientist / AI Engineer / Python

€600/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Yoan

Hello,

As a computer scientist and Data Scientist today, I previously worked in the naval industry as an electrical design technician and site supervisor. It was during this experience that I grasped the strategic role that IT and data analysis can play.

Thus, I decided to resign to pursue an in-depth university degree in mathematics-computer science, including a specialization in Data Science, from bachelor's to master's level. Thanks to my studies as well as my personal projects and various explorations, I have acquired solid expertise.

However, I note with regret that despite the many advantages they offer, these techniques remain under-exploited. That is why I strongly encourage you to take an interest in them. I am at your disposal to discuss and help you clarify the possibilities offered, in order to determine together the concrete benefits they could bring to your project.

My expertise covers a wide range of essential technical skills, which would allow me to bring significant added value to your projects.

These include:

Programming: Python / C++
Data Science: Numpy / Pandas / Pytorch / Scikit-learn
Visualization: Dash / Plotly
API: Flask
Database: SQL / NoSQL

My desire to contribute to ambitious projects makes me an ideal collaborator to achieve your goals in the field of data science.

Sincerely,

Yoan Belleperche
  • French

    Native or bilingual

  • English

    Conversational

Can work on-site
Paris (up to 20km), Nantes (up to 50km), Rennes (up to 50km), Angers (up to 50km), Saint-Nazaire (up to 50km)

Experience

  • Murex
    Software Engineer
    BANKING AND INSURANCE
    October 2023 - December 2023 (3 months)
    Paris, France
    - Development and maintenance of software using C++.
    - Code refactoring to improve efficiency and modernize it.
    - Participation in code reviews to ensure adherence to coding standards and best practices.
    C++
  • AXA France
    Data Scientist
    BANKING AND INSURANCE
    September 2021 - September 2022 (1 year)
    Nanterre, France
    Optimization of the purchasing policy for automotive parts for policyholders:

    - Collection of automotive parts consumption data from policyholders using PySpark.
    - Cleaning of noisy text fields using a neural network based on the Transformer architecture, using Python and PyTorch.
    - Analysis of the evolution of automotive parts prices.

    Development of a model for forecasting claim costs:

    - Selection of variables to use from internal and external data sources.
    - Development of a neural network with two outputs (average cost and claim frequency), using Python and PyTorch.
    - Choice of metrics to obtain confidence intervals for estimates.

    Improvement of the complexity of a statistical processing algorithm:

    - In-depth analysis of the existing algorithm.
    - Optimization of the data structures used.
    - Parallelization of the algorithm.

    Reduction of processing time by 500, for an algorithm implemented in Python using NumPy and Scikit-Learn.
    Analyse statistique Deep Learning Exploration des données Communication Python
  • Gestal
    Electrical Design Technician / Team Leader
    CIVIL ENGINEERING
    July 2014 - August 2016 (2 years and 2 months)
    Saint-Nazaire, France
    Electrical Design Technician in naval electricity:
    - Creation of electrical plans and other preparations.
    - VBA/Excel scripts.

    Site Supervisor:
    - Site monitoring.
    - Quality control and presentation to the shipowner.
    Développement VBA Python

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Education

  • Master's in Mathematics-Computer Science
    University of Pau and Pays de l'Adour
    2022
    Data Science / Calcul distribué / Calcul GPU
  • Bachelor's in Mathematics-Computer Science
    University of Nantes
    2020

Certifications

Skill set

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