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

James Germiny

Expert Data Governance | Expert MDM | DQA

€700/day
8 projects
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
Back to original language

About James

👨‍🎓 Graduate of the Master's in Applied Mathematics, Statistics from ENSAI, INSA & University of Rennes
👨‍🎓 Certified European Master in Official Statistics (EMOS) from Euro Stat
👨‍🎓 Graduate of the Master's in Project Management from the University of Rennes
👨‍🎓 Certified in Integrated Investment Evaluation from Queen's University of Canada
👨‍🎓 Diploma of Higher Studies in Applied Statistics
👨‍🎓 Holder of over thirty technical and professional certifications

👨‍💻 Currently Data Governance Product Owner Consultant at the BEL group
👨‍💻 Formerly Lead Business SAP MDM Consultant at L'Oréal France
👨‍💻 Formerly Data Quality Analyst Consultant at Disneyland Paris
👨‍💻 Formerly Data Governance Consultant at Cabinet IXI-Groupe
👨‍💻 Formerly Data Analyst at ENGIE Solution
👨‍💻 Formerly Lead Data Analyst at the Ministry of Planning
👨‍💻 Formerly Statistician Consultant at Copenhagen Consensus Center

I am an Expert in Data Governance, MDM, Data Quality Management, and Continuous Improvement, with over 10 years of experience in diverse sectors: Agri-food, Luxury, Retail, Insurance, Energy, and Public Sector. With my solid background in mathematics and statistics, combined with my expertise in using various technological tools, I am able to transform raw data into valuable information for businesses.

My goal is to ensure that strategic decisions are made based on solid data and to help them improve their performance using the most advanced analytical techniques.
I am passionate about discovering hidden trends in data and am proud of my ability to communicate results clearly and concisely, in order to make a real difference for businesses.
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Paris (up to 30km)

Experience

  • Groupe BEL
    Data Governance Product Owner Consultant
    AGRICULTURE
    June 2025 - Today (1 year)
    Suresnes, France
    Context
    As part of the deployment of Data Governance for the Procurement domain, I perform the following tasks:

    👉🏽 Ensure that complete documentation of data structures, metadata, and integration points is maintained.
    👉🏽 Develop and maintain the taxonomy and organization of the domain for analytical purposes.
    👉🏽 Although the technical team is responsible for data in the systems, I provide my expertise in defining and applying data quality standards.
    👉🏽 Data quality can also be assessed in DeciBel for analytical purposes, under the responsibility of the Data team.
    👉🏽 Collaborate with technical teams to accurately map data elements and interfaces, and ensure that data flows seamlessly between systems.
    👉🏽 Make data available from sources to DeciBel, for analytical purposes.
    👉🏽 Maintain and update the data cockpit and data dictionary.
    👉🏽 Regularly update our data catalog tool (Data Galaxy) in accordance with the defined taxonomy.
    SAP ECC SQL Google Cloud Platform (GCP) Microsoft Power BI Data Galaxy
  • l'Oréal
    Lead Business SAP MDM Consultant
    LUXURY GOODS
    January 2024 - May 2025 (1 year and 4 months)
    Levallois-Perret, France
    Context
    Data migration (Mock UAT and Production Cutover) from SAP ECC to SAP S/4 HANA within the framework of the NEO France project, including:
    👉🏽 Creation and management of ETL validation and Load Interfaces monitoring using Power BI and other internal tools
    👉🏽 Data quality management from product code creation
    👉🏽 Updating business rules and transformations after gathering business needs
    👉🏽 Reviewing TIBCO EBX mapping tables (Flow, Plant, Delivering Plant, Sales, Supplier, Rounding Profile, Accounting…) from the Admin view in consultation with business departments.
    👉🏽 Analysis of data transformation and loading
    👉🏽 Analysis of data propagation to local Apps & PIMs
    👉🏽 Creation and tracking of defects
    👉🏽 Test execution, creation, reporting
    👉🏽 Change management:
    o Support for training preparation (documentation writing…)
    o End-User training
    o Simplification of functionality for RUN
    o Advice and points of attention
    👉🏽 Supporting business teams in continuous improvement
    👉🏽 Confirmed expertise in SAP Logistics & Finance modules: MM, QM, PP, SD, FI & CO.
    👉🏽 Advanced proficiency in SAP HANA Database & SAP Analytics Cloud (SAC)
    👉🏽 Monitoring the update of various Price categories (PIR Prices, Standard Prices, Weighted Average Prices,...) using LSMW, MM17, and MR21 transactions.

    Result: Business validation of Product Data characteristics to have a complete Data map and to help end-users better adopt the NEO tool during RUN.
    SAP ECC SAP S/4 HANA TIBCO EBX Microsoft Power BI Service Now
  • The Walt Disney Company
    Data Quality Consultant
    TRAVEL AND TOURISM
    March 2023 - December 2023 (10 months)
    Montévrain, France
    👉🏽Ensuring data quality and compliance of Features to be delivered
    o Identify scenarios from acceptance criteria and constitute the test plan
    o Prepare datasets in accordance with the scenarios to be tested
    o Execute, analyze, and report results to the Product Owner and the Data Engineer responsible for development
    o Automate tests and ensure proper reporting of quality indicators in dashboards.
    👉🏽Ensuring proper incident correction
    o In close collaboration with the Data Engineer, identify the cause of the incident and analyze its impact
    o Develop the test plan, ensuring non-regression
    o Execute, analyze, and report post-correction results
    o Supervise the evolution of the fix in production
    👉🏽Ensuring system maintenance
    o Alert the Product Owner in case of anomaly detection resulting from poor data quality
    Snowflake Soda SQL Grafana GitHub AWS

Recommendations

Be the first to recommend James

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

  • Master 2 (M2), Applied Mathematics, Statistics
    Ecole Nationale de la Statistique et de l'Analyse de I'information (ENSAI)
    2019
    Diplome de Master 2 (M2) obtenu en Mathématiques Appliquées, Statistique
  • Master 2 (M2), Project Management
    Université de Rennes
    2018
    Diplome de Master 2 (M2) obtenu en Management de Projets

Certifications

Skill set

Categories

  • Other