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Raphaël GuillermRG

Raphaël Guillerm

Expert BI / PowerBI / Qlik / Looker / Data Analyst

€550/day
Brest, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Raphaël

Hello,

Do you have a one-time need for data expertise or support for your projects? I would be delighted to help you bring your ideas to life and support you in achieving your goals.

My experience:
  • Decathlon Belgium: Study on fatigue management and measurement of commercial pressure in the context of direct marketing campaign personalization.
  • Asten: Development of marketing indicators in the banking sector.
  • Cogedis: Monitoring of accounting data entry automation.
  • Thales: BI Engineer, Power BI expert.
About me:

With a Master's degree in Applied Mathematics and Statistics, I discovered my passion for data analysis during my first professional experience at Decathlon Belgium. Curious and proactive, I particularly enjoy analysis and decision-making support. My skills allow me to work in various sectors, with an approach combining statistics, IT, and understanding of business challenges. For me, Data Analysis is a discipline that combines technical skills and strategic vision.

My tools:

I primarily use Python for data processing and transformation (ETL) to extract the best from it according to use cases. I am also proficient in the main BI tools, such as Power BI, Data Studio, and Qlik, for presenting analyses.

I would be delighted to learn about your projects and contribute to their success.

Raphaël
  • French

    Native or bilingual

Can work on-site
Brest (up to 50km), Quimper (up to 100km), Rennes (up to 100km), Vannes (up to 100km)

Experience

  • Thales
    BI Engineer
    TECH
    September 2023 - Today (2 years and 9 months)
    Brest, France
    BI Engineer and consultant

    My role is to collect, synthesize, and highlight essential data for our clients.
    I work mainly on PowerBI, Qlik, and Python.
    Microsoft Power BI Qlik
  • Groupe Cogedis
    Data Analyst
    February 2021 - Today (5 years and 4 months)
  • GROUPE ASTEN
    Information Technology Engineer
    September 2019 - October 2021 (2 years and 1 month)
    Arrondissement de Brest, France

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Education

  • Master, Mathematics and Statistics
    Université Rennes 2
    2019
    Master , Mathématiques et statistiques
  • Bachelor's degree, Mathematics applied to Social Sciences
    Université de Bretagne Occidentale
    2017
    Licence, Mathématiques appliquées aux sciences sociales

Skill set

Categories