Freelancer profile translated to English.

Description

Data Analyst specializing in Power BI with 3 years of experience in data analysis, I help companies transform their data into real performance drivers.

I intervene end-to-end: gathering business requirements, data modeling, creating interactive dashboards, and deploying on Power BI Service.

My goal: to provide clear, reliable, and results-oriented decision-making tools.

🔹 Creation of high-performance Power BI dashboards

🔹 Star schema modeling & advanced DAX

🔹 Data cleaning and transformation (Power Query, SQL)

🔹 Definition and structuring of strategic KPIs

🔹 Support for business teams

Rigorous, results-oriented, and autonomous, I combine technical expertise with business understanding to facilitate decision-making and generate concrete impact.

I am looking for projects where data becomes a true strategic tool: sales performance, financial reporting, operational optimization.

Industry field of expertise

Languages

French
Native or bilingual
English
Fluent

Workplace preferences

Can work on-site

Paris (up to 50km)

RATP CAP IDF
Data Analyst
TRANSPORTATION
January 2025 - July 2025 (6 months)
Paris, France
As part of the operational monitoring of the RATP maintenance subsidiary:

⁄ Automate multi-source data dashboards (Power BI, Excel, Power Query)
⁄ Produce monthly reports for the subsidiary's various clients (RDS/TRAM/MRF)
⁄ Verify data consistency during production and alert in case of detected errors for correction
Microsoft Power BI Microsoft Excel
Air Liquide
Data Analyst
RAW MATERIALS INDUSTRY
January 2024 - December 2025 (1 year and 11 months)
Paris, France
In an ERP change program, our goal was to improve the quality and restructure data through Power BI reports:

⁄ Develop algorithms to analyze data in Notebooks on SageMaker, identifying quality defects, and opportunities for improving business practices (bad practices and innovations).
⁄ Develop a Power BI report displaying the benefits achieved by the ERP change, incorporating a multitude of different sources.
⁄ Scope a business requirement and then develop the associated KPI after understanding the business challenges and technical specificities.
⁄ Develop reusable code in Python and SQL, document it, and share it to ensure the sustainability of the work performed.
⁄ Determine industrialization processes adapted to different types of use cases (e.g., algorithms, reports, KPIs and alerts, data model evolution, business process evolution).
Microsoft Power BI Python SQL Microsoft Excel
Accor
Data Analyst
HOSPITALITY
June 2023 - December 2023 (6 months)
Paris, France
As part of supporting the Sustainability department in implementing strategic indicator reporting for the group:

⁄ Create relevant reports and dashboards based on gathered needs.
⁄ Provide support for various business requests related to data and its exploitation.
⁄ Monitor customer support regarding hotel reporting.
Tableau Microsoft Excel SQL