You're seeing this page as if you were . The main menu is still yours, though. Exit from immersion
Jean ChartierJC

Jean Chartier

Data Analyst | Back-end Developer

€550/day
Lyon, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
Back to original language

About Jean

🚀 Freelance Back-end Developer:
I design and develop high-performance, scalable, and secure back-end applications. With solid expertise in Node.js, Next.js, MongoDB, and Docker, I create robust APIs and manage application and database architecture. My approach is fast, with particular attention to code quality, maintainability, and system security.

🔍 Freelance Data Analyst:
I transform your raw data into strategic insights for informed decision-making. I perform in-depth analyses, develop interactive dashboards, and optimize data utilization to improve your company's performance. My goal: to provide accurate and quickly actionable information, while ensuring clear and understandable visualization of results.

⚡ Seriousness, speed, and quality are at the heart of my approach. Each project is delivered on time, with meticulous and efficient work.

💬 Contact me to discuss your needs and see how I can make a difference in your project.

  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Lyon (up to 50km), Paris (up to 10km), Chambéry (up to 10km), Grenoble (up to 10km)

Experience

  • Michelin - Strategy
    Data Analyst | Backend Developer
    May 2021 - December 2024 (3 years and 8 months)
    Lyon, France
    Creation of an ETL in JavaScript with Node.js, Next.js, MongoDB, Svelte, Kubernetes, and Rancher (Docker).
    Architecture design and application maintenance.
    Development of data processing pipelines for extracting, transforming, and loading information from various sources.
    Analysis of extracted data to identify trends and actionable insights.
    Implementation of visualizations and dashboards to facilitate data interpretation.
    Implementation of data cataloging and flux documentation to improve data traceability and governance.
    Definition and application of data quality rules to ensure their reliability and usability.
    A significant part of my work involved ensuring a minimum level of security, as well as optimizing data quality and reliability to guarantee a stable and performant application.

    ETL Data Steward Data Analysis Microsoft Power BI Data Governance Data Quality Data Catalog Data Quality Reporting SQL
  • Freelance
    Power BI
    February 2023 - March 2023 (1 month)
    Lyon, France
    Creation of interactive dashboards for monitoring company performance.
    Connection and transformation of data from Excel and SQL Server.
    Implementation of clear visualizations (charts, maps, indicators) to facilitate decision-making.
    Analysis of anomalies and implementation of corrective solutions with business teams.
    Microsoft Power BI
  • ANAP
    Excel Developer
    PUBLIC SECTOR
    July 2023 - December 2023 (5 months)
    Paris, France
    Creation of an Excel tool using only functions, without VBA.
    The tool was used to plan caregiver assignments in a hospital.
    Microsoft Excel

Recommendations

Be the first to recommend Jean

Help this freelancer shine by sharing your experience working together.

These freelancer profiles also match your criteria

AgathaA

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

2

BaptisteB

Baptiste Duhen

Fullstack developer

4.6

(4)

5

AmedA

Amed Hamou

Senior Lead Developer

4

(2)

7

AudreyA

Audrey Champion

Web developer

4.3

(3)

4

Education

  • Engineer
    Ece Paris
    Cybersecurite, Data analyst, developpement informatique

Skill set

Categories