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Mohammed ZeroualMZ

Mohammed Zeroual

Expert DATA & Power BI | Tech-Lead | BI Architect

€778/day
Paris, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Mohammed

With 29 years of experience, I support companies in structuring and optimizing their Data architectures by leveraging Power BI, Snowflake, and Azure. Specialist in database modeling (Data Vault, SQL Server) and Agile project management, I lead BI migrations, automate workflows, and guide teams towards analytical excellence.
  • French

    Native or bilingual

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

Experience

  • Agirc-Arrco
    TECH LEAD - POWER BI EXPERT
    February 2024 - August 2024 (6 months)
    Context
    Client support for the implementation of a new Data architecture around Power BI
    Assignments
    • Migration of reporting from Cognos to Power BI and redesign of dashboards.
    • Implementation of a dedicated Data architecture and automation of data feeding processes.
    • Implementation of secure access (RLS/OLS) and user authorization management.
    • Development of dataflows and data models optimized for Power BI Premium.
    • Monitoring of report performance and improvement of response times
    Technical environment Power BI Premium, Git, PostgreSQL, Teradata, DataStage
  • Pickup
    DATA EXPERT – POWER BI
    February 2022 - February 2024 (2 years)
    Context
    Migration of existing BI solution to a new Data platform
    Assignments
    • Migration and redesign of the BI platform to Snowflake with data integration.
    • Design and management of advanced Data Vault data models for Power BI.
    • Development and optimization of datasets for analysis and reporting.
    • Administration and optimization of Power BI reports with complex DAX measures.
    • Implementation of multilingual management of Power BI reports with Translation Builder.
    • Implementation and promotion of self-service reporting to business users.
    • Deployment and management of Power BI Gateway to ensure secure connectivity of local data sources.
    • Automation of data pipelines and implementation of quality controls.
    • Definition and implementation of a data governance strategy and access management.
    Technical environment SQL Server 2019, MSBI, Power BI (Pro and Premium), Power BI Gateway, Translation Builder, Git, Azure DevOps, Visual Studio 2019, Snowflake, dbt(datavault)
  • BIC France
    POWER BI EXPERT
    July 2021 - February 2022 (7 months)
    Context
    Client support for the implementation of a BI foundation
    Assignments
    • Audit and redesign of existing BI reports with a focus on performance improvement.
    • Design of a centralized BI foundation and advanced modeling with Data Vault.
    • Development of advanced visualizations and business KPIs on Power BI.
    • Training and support of teams on Power BI and best DAX practices.
    Technical environment Power BI Pro - IBM Cognos – MyReport

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