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Jerome LefrereJL

Jerome Lefrere

Data Engineer Azure | ADF | SQL | Power BI | API

€550/day
Arras, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Jerome

Certified Microsoft Cloud & Data Engineer (AZ-204 & PL-300), with 20 years of experience in the IT departments of large corporations, including 9 years at Lacoste as Head of IT Integration. I design and industrialize complete data pipelines on Azure (ingestion, transformation, modeling, reporting) with the ability to understand business needs and communicate with both technical teams and decision-makers.

My approach: robust, documented, and scalable solutions, combining automation, cloud integration, and business intelligence.

My strength: a rare end-to-end vision on the freelance market, from cloud architecture to data presentation.
  • French

    Native or bilingual

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

Experience

  • LACOSTE
    Head of IT Integration & Middleware
    FASHION AND COSMETICS
    May 2016 - March 2025 (8 years and 10 months)
    Troyes, France
    In charge of Lacoste group's middleware platforms: Microsoft Biztalk 2016 & Azure Integration Services in terms of projects and operations.
    500 flows in production, 10 million messages processed per day.
    I manage the coordination between the integration team and the IT business departments:
    - Backlog management (15 FTEs, 250 days/month), & planning (40 to 50 project initiatives/year),
    - Load estimation & project management,
    - Analysis, modeling & functional expertise Strategic Axis
    - Deployment of the Azure Integration Services cloud platform in March 2020
    - Support for the implementation of the Agile methodology where I act as PO (Product Owner).
    - Setup & management of an outsourced service center (With Middleway in 06/2018). Profiles: Architect, Business Analyst, TechLead, Developers
    - Rationalization of data exchange formats by designing pivot structures
    - Popularization and promotion of the role/impact of middleware and integration within the IS Operational Axis
    - Interfaced systems: Salesforce, Google Analytics, Channel Advisor & Anatwine (marketplace hub), HRIS, 3PL (warehouses), Manhattan DOM/WMS, Cegid CBR/Y2/OW, Cheetah Digital, …
    - Migration from Microsoft Biztalk 2013 R2 to version 2016. Project management role
    - Implementation of the Biztalk 360 monitoring tool: project management and configuration setup
    - Installation of Microsoft Biztalk ESB version 2013 R2. Development & testing environments in Microsoft Azure cloud (cloud pilot for Lacoste). Project management role
    Microsoft Azure Azure Functions API Management Azure Synapse Analytics .NET C#
  • LACOSTE
    Head of Retail IT Processes
    FASHION AND COSMETICS
    September 2014 - April 2016 (1 year and 7 months)
    Troyes, France
    - Identification & documentation of existing processes
    - In collaboration with Business Analysts: analysis and formalization of needs. Assessment of impacts on the IT system in terms of architecture and load
    - Design of X-Channel flows (CRM partners - Front/Back Office Retail CBR - Flagship E-Commerce). Responsible for data exchange with CBR + Development of a fusion tool (golden record) for customer records
    - End-of-month process redesign (store stock verification)
    - Deployment of Retail Devanlay / Lacoste (CBR) tools in the Eastern Europe region (Poland, Czech Republic, Hungary) as part of a Lacoste/EREN JV. Sharing of the Lacoste IT system with EREN, Data segregation
    Needs Analysis Oracle PL/SQL Omnichannel CRM Cegid Y2
  • LACOSTE
    Project Manager Studies & Development
    FASHION AND COSMETICS
    January 2011 - August 2014 (3 years and 7 months)
    Troyes, France
    - Deployment of the CBR/SAP solution in a JV in South Korea. Responsible for data migration, interfacing CBR with SAP (FI/CO), and carrying out specific developments.
    - Project manager for the implementation of the B2C E-Commerce site in Canada (CBR/Oracle)
    - Functional analysis and development of a specific module for optimizing outlet supply (Cegid Business Studio)
    Oracle PL/SQL CBS Data Migration E-commerce Interfaces

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Education

  • Master's degree in GMI (Mathematics & Computer Science Engineering)
    Université Scientifique de Lille 1
    2004
    Développement, algorithmique, POO, théorie des langages, C, java, réseau

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