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Oumohand BillalOB

Oumohand Billal

Data Analyst - Data visualization - BI - Tableau

€650/day
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Oumohand

With more than 8 years of experience in the field of data processing and visualization, I have acquired solid skills in BI and particularly in Dataviz, which allow me to be a true technical-functional support.
Curious and dynamic, I can quickly adapt to new environments. I am also proactive in providing solutions to the problems that are posed to me.
  • English

    Fluent

  • French

    Native or bilingual

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

Experience

  • DECATHLON
    BI engineer
    May 2025 - Today (1 year and 3 months)
    I currently hold a Bi engineer position on the Supply chain perimeter within Decathlon digital.

    - Development of Dashboards and analyzes around Supply chain issues
    - be the data visualization and Tableau software referent within the sub-domain.
  • BNP Paribas Asset Management
    Data analyst - Tableau - powerBi report server
    BANKING AND INSURANCE
    September 2020 - May 2023 (2 years and 9 months)
    Paris, France
    Within the IT Data & Reporting Services team, the team in charge of reporting for the Global Trading
    Function entity (AM multi-asset trading desk). Team responsible for reporting on data from the
    Aladdin Blackrock tool and all AM repositories.
    Taking charge of reporting requests and evolutionary maintenance of existing Tableau
    software:
    ✓ Taking charge of end-to-end reporting requests, in relation to the business (Traders
    and management) and the BA
    ✓ KPI modeling and Tableau dashboard development. Examples of topics covered:
    - Review of Broker performance (Intermediaries).
    - “Global Activity” reporting for the board of directors.
    - “Trading Cost Performance” for traders.
    ✓ Carrying out regulatory reporting Best execution, MIFID, RFQ ... etc
    ✓ Production monitoring: Analysis and investigation of anomalies, incident handling, user
    assistance.
    Setting up Self BI under Tableau Software:
    ✓ Setting up Tableau dataSources
    ✓ User training and support
    ✓ Implementation of Tableau server governance (access rights, organization ... etc)
    SSRS Microsoft Power BI Tableau software Trade Finance
  • SNCF RESEAU
    Consultant Tableau software
    TRANSPORTATION
    July 2021 - October 2021 (3 months)
    Saint-Denis, France
    As a Tableau expert, I was asked to intervene in the development of Tableau extensions. The problem encountered by the client in the context of a project concerning the monitoring of train punctuality, not being soluble with the standard functionalities of the tableau tool. I was responsible for developing a web extension using the extension API.
    Tableau software Extension Angular d3.js

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Education

  • Master 2 MIAGE
    Université Paris Dauphi,e
    2017
  • Licence Informatique
    Université Pierre et Marie CURIE
    2015

Skill set

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