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Grégory AgeorgesGA

Grégory Ageorges

Business Analyst - Data Analyst | Power BI ✅

€600/day
1 project
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Grégory

👨🏻‍💻 Business Analyst | Data Analyst | Freelance MOA since 2011.

I work across the entire data value chain: from governance to operational exploitation.

🧪 Experience in various functional areas

Management control / Accounting / Insurance / Billing / Energy / CRM / Regulatory (CNIL, GDPR, Anti-money laundering) / Marketing

📜 Services
  • Data analysis, exploration
  • Business process modeling
  • Data visualization, reporting
  • Functional design, user stories, use cases, testing, user support
  • Data quality
  • Data Warehouse, Data Lake, Data Mesh
  • API
  • Migration project
  • Data integration
  • EDI
  • Cross-functional coordination
  • Regulatory projects
  • Reverse engineering
📱 Technical Stack

Power BI, Power Query, SQL, Looker Studio, BigQuery, Google Cloud Platform (GCP), Microsoft BI (SSIS, SSRS, SSAS), Excel, Google Sheets, MySQL, SQL Server, PostgreSQL


❇️ My strengths
  • 15 years of experience in various data-related topics
  • Pragmatism
  • Developer background
💬 Feel free to contact me, I will respond quickly.
  • French

    Native or bilingual

Can work on-site
Paris (up to 50km), Saint-Quentin-en-Yvelines (up to 50km)

Experience

  • Keobiz Services
    Business Analyst - Data Analyst | Power BI - SQL
    CONSULTING AND AUDITS
    April 2025 - Today (1 year and 2 months)
    Paris, France
    Verify the integrity and consistency of financial data following the migration of billing, accounting, and cash collection systems to a new platform.

    🔖Tasks:

    • Verification of data completeness and quality between the master system and receiving systems (customers, invoices, payments, cash collections)
    • Validation of the proper functioning of inter-application flows (API)
    • Analysis usingSQL, Excel, andPower BIreports from different data sources to identify anomalies (discrepancies, inconsistencies, etc.)
    • Support for the financial department in defining the cash collection process (invoice workflow, dunning policy, KPIs for monitoring overdue payments)
    • Complete documentation of analyses (methods, results, recommendations, summary)


    Environment: MySQL, Power BI, SQL, Python, Excel, Salesforce, Chargebee, Gocardless, Stripe
    SQL Microsoft Power BI Billing Accounting Reporting Data Analysis Data Visualization
  • Veolia Eau d'Ile-de-France
    Business Analyst - Data Analyst | Looker Studio - BigQuery - GCP
    ENERGY AND UTILITIES
    September 2024 - February 2025 (5 months)
    Nanterre, France
    Define the processes to be implemented to ensure monitoring of data quality related to water consumption in the Île-de-France region.

    🔖Tasks:

    • Implementation of a project methodology (prioritization, identification of referents by domain, data tracking and recovery method)
    • Definition of KPIs for data quality monitoring with the relevant departments
    • Analysis of source systems, identification of data anomalies
    • Writing user stories inJira
    • Development of pipelines to collect data (BigQuery,SQL, Control-M)
    • Creation ofLooker Studioreports for quality monitoring
    • Impact study during data recovery
    • Support and assistance for business acceptance testing


    Environment: Looker Studio, Google Cloud Platform (GCP), BigQuery, SQL, Jira, SAFe, Control-M
    Google Cloud Platform (GCP) SQL Looker Studio Data Analysis Functional Acceptance Testing Data Visualization
  • Eiffage
    Data Application Manager | Power BI - SAP BI
    CIVIL ENGINEERING
    January 2019 - January 2023 (4 years)
    Vélizy-Villacoublay, France
    Ensure and coordinate the implementation of new projects, as well as corrective/evolutionary maintenance, of the SAP Hana platform.

    Projects: financial monitoring of projects with SAP BI, employee training management (Power BI), absenteeism impact, ticketing,data visualization of highway traffic (Power BI),mobile reporting

    🔖Tasks:

    • Ensure platform consistency and compliance with standards and methods
    • Gathering and analysis of business needs, writing detailed specifications
    • Identification of reference data, updating the data dictionary
    • Management of functional support requests: data extraction (SQL), support
    • Coordination of actions (corrective maintenance, preventive maintenance, deployment, environment management/preparation) with the various stakeholders in the scope
    • Creation - Maintenance ofPower BI,SAP BIreports
    • Authorization management
    • Support and progress monitoring of development teams
    • User training onPower BI/SAP BI


    Environment: SQL, Power BI, SAP Business Objects 4.2, SAP Hana, Kanban, EasyVista, Mantis, HP ALM
    Cross-functional Coordination Data Analysis SAP Business Objects Incident Management User Support Microsoft Power BI Business Intelligence Management Control

Reviews

5.0

Out of 1 rating

E

Eric

Keobiz Services

Several weeks project

-

Reviewed on 5/20/2025

Grégory quickly took ownership of the mission's subjects and provided relevant analyses. I would be delighted to work with Grégory again!

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Education

  • Information Systems Architect Designer
    CNAM Versailles
    2009

Skill set

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