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Jonathan GourvilleJG

Jonathan Gourville

Data Analyst – Python, SQL, Power BI

€280/day
Paris, FR
0-2 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Jonathan

I am a Data Analyst specializing in Python, SQL, and Power BI, with significant experience in creating dashboards, automating reporting, and analyzing data to help business teams make better decisions. I work across the entire analysis chain: data preparation, visualization, interpretation, and operational recommendations.

In my previous roles, I automated over ten strategic reports and developed dashboards used by sales and marketing departments. I also worked on consolidating multi-source datasets, identifying key trends, and implementing KPIs to guide action plans. My approach combines analytical rigor with an understanding of business challenges to produce concrete, clear, and easy-to-use deliverables.

I am proficient in the main data analyst tools: Python (pandas, NumPy, scikit-learn) for manipulating and analyzing data, SQL for extracting and transforming information, and Power BI for building effective and user-friendly visualizations. I am also comfortable with advanced Excel and collaborative environments (GitHub).

What I can bring:

Creation or redesign of Power BI dashboards;

Automation of reporting to save time and reduce errors;

Data cleaning, consolidation, and quality improvement;

Ad-hoc or regular analyses to produce reliable insights;

Recommendations based on KPIs adapted to business needs.

I work in a structured, autonomous, and results-oriented manner, with clear communication that makes data accessible to everyone. Available to discuss your needs and support you in your data projects.
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Paris (up to 50km)

Experience

  • Laboratoire Théa
    Data Analyst Intern
    PHARMACEUTICALS INDUSTRY
    June 2022 - July 2025 (3 years and 1 month)
    Clermont-Ferrand, France
    Automated over 10 strategic reports, reducing preparation time by 30% for international sales teams. Designed and deployed interactive Power BI dashboards used by product managers for tracking revenue, market share, and product launches. Consolidated and validated multi-source data (internal ERP & Excel), improving the quality and consistency of analyses. Conducted competitive and market intelligence to provide actionable insights to subsidiary directors.
    Automation and Reporting Data Visualization Microsoft Excel Data Analysis Marketing
  • Mistral informatique
    Front-end Developer
    SOFTWARE PUBLISHING
    April 2021 - October 2021 (6 months)
    Clermont-Ferrand, France
    Converted screens for an internal Mistral project. Used online collaborative tools.
    Teamwork Software Development

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Education

  • Master 2 Data Science
    OPENCLASSROOM
    2025
    Master 2 Data Science
  • Master 1 Data Analysis
    OPENCLASSROOM
    2024
    Master 1 Analyse de données

Skill set

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