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Youssouf ElouazzaniYE

Youssouf Elouazzani

Supermalter

Data Analyst

€840/day
1 project
Nanterre, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Youssouf

Data Analyst & Expert Power BI | Freelance

With several years of experience in IT consulting firms, I now support my clients as a freelancer in implementing robust, readable, and business-exploitable Power BI solutions.

Key Skills:
  • Power BI : advanced modeling, complex DAX, Power Query (M), relationships, dynamic security (RLS, OLS)
  • Visualization : creation of clear, interactive, and decision-oriented dashboards
  • UX/UI : report structuring according to best ergonomic practices
  • Optimization : reduction of loading times, performant and scalable models
  • Automation : data processing with Python (Pandas), API connections, file ingestion (CSV, Excel)
  • Connectors : SQL Server, Excel, SharePoint, Azure, REST API
  • Publication : workspace configuration, automatic refreshes, governance
I enjoy testing new Power BI features and producing unique visualizations :)

Accustomed to agile environments, I collaborate with technical or business teams (finance, marketing, operations) to deliver high-value-added solutions.

Based in Nanterre, I work remotely or on-site, according to your needs.
Let's discuss your project!
  • French

    Native or bilingual

  • English

    Conversational

Can work on-site
Nanterre (up to 15km)

Experience

  • Multi Energie
    Expert & Developer Power BI / Sql / Power Query
    ENERGY AND UTILITIES
    January 2025 - Today (1 year and 5 months)
    Nanterre, France
    I was involved as a Power BI developer to take over and optimize a migration tracking report. Rapid skill development, critical and constructive view of the existing, proposal and implementation of improvement paths.
    ❑ Improve formatting
    ❑ Proposal of relevant KPIs for the project
    ❑ Addition of extraction buttons with Power Automate
    ❑ Sharing of best practices related to Power BI
    ❑ Optimization of reports and data models
    Microsoft Power BI Power Query Data analysis Optimization DAX
  • Centre de service
    Expert Power Bi
    January 2024 - December 2024 (11 months)
    Issy-les-Moulineaux, France
    I was involved as a Power BI developer in a project involving several clients who needed Power BI expertise.
    ❑ Optimize reports
    ❑ Optimize DAX queries
    ❑ Audit of a number of reports (Datasets, DAX queries and visuals)
    ❑ Rework of reports
    ❑ Optimization of the data model
    ❑ Application of best practices
    Microsoft Power BI Power Query DAX Optimization Audit
  • Environnement
    Power BI Developer
    ENVIRONMENTAL
    June 2023 - December 2023 (6 months)
    Puteaux, France
    Development of a Power BI report by connecting to several different sources including
    ❑ PingCastle
    ❑ Sharepoint
    ❑ Apps form (excel file)
    While ensuring:
    ❑ Implementation of a UX/UI graphical interface
    ❑ Proposal of several visualization versions
    ❑ Consolidation of data sources
    ❑ Report optimization
    ❑ Adherence to development best practices
    ❑ Optimization of DAX queries
    ❑ Having performant M code (Power query)
    Microsoft Power BI Power Query Data visualization UX/UI Optimization

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Education

  • BTS SIO (Information Technology Services for Organizations) SLAM option
    Université Paris Descartes
    2016
    ➢BTS SIO (Services Informatiques aux Organisations) option SLAM
  • BAC STG Management of Information Systems
    2013
    ➢BAC STG Gestion des systèmes d'informations

Skill set

Categories