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Ulysse MahieuxUM

Ulysse Mahieux

Tech Lead BI - Analytics Tableau Power BI

€778/day
Paris 16e Arrondissement, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Ulysse

Hybrid between project management and experienced developer.

I support SMEs and large groups in Business Intelligence projects, and data-driven activity monitoring.

Certified by Tableau Software with experience in ETL data preparation, I will be a winning compromise for various types of organizations of all sizes.

Flexible and transparent consultant in both development and technological solution choices.
  • French

    Native or bilingual

Can work on-site
Paris 16e Arrondissement (up to 50km), Paris (up to km)

Experience

  • Bouygues Telecom
    Tech Lead BI
    TELECOMMUNICATIONS
    November 2019 - Today (6 years and 7 months)
    Meudon, France
    DATA-oriented technical architecture
    Responsible for the foundation and infrastructure of Tableau Server for 4000 users - 450 Data analysts
    GCP/Teradata/SQL data flows - Dataiku - Linux
    Tableau software Google Cloud Platform (GCP) Data Information System Architecture
  • KEYRUS
    Consultant
    DIGITAL AND IT
    December 2018 - October 2019 (10 months)
    I support Keyrus Canada clients across various sectors (Retail, B2B Services) in implementing a BI data warehouse and designing dashboards.

    Hybrid profile between project manager and BI developer

    Reverse engineering of PowerBI and Tableau Software dashboards
    Datamining, SQL query writing, data transformation process design (ETL: Talend, Python, SSIS)
    Business analysis (products, sales, customers, stores, marketing campaigns, operational performance measurement)

    Project management (budgets, progress reporting, commercial studies)
    Microsoft Power BI SQL Snowflake Data science Data mining
  • VEOLIA
    Tools Manager
    ENERGY AND UTILITIES
    December 2017 - December 2018 (1 year)
    Montréal, France
    I am responsible for supporting Veolia in implementing an asset maintenance system within the framework of a Public-Private Partnership (PPP). I develop an interactive and dynamic decision-making solution for monitoring Facility Management activities (technical and financial data). I encourage performance through data value.

    o Development of specifications, return on investment calculation
    o Data integration (Maximo, SAP, Flat Files)
    o Data extraction and transformation: XML, SQL, T-SQL, Python

    Coordination of technical experts, external consultants, and business stakeholders.
    Talend ETL Python SQL Tableau software VBA Database administration

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Education

  • ICAM Engineering Degree
    ICAM
    2013

Certifications

  • Tableau Software
    Tableau Software
    2018
    Tableau software Data science SQL

Skill set

Categories