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Bienvenue Marie G.BM

Bienvenue Marie G.

Analytics Engineer / Data Engineer

€550/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Bienvenue Marie

Analytics Engineer / Data Engineerspecializing in **credit risk, fraud, and regulatory data**, I support banking and finance teams in structuring and validating their data.

I work on projects with high business and regulatory stakes, ensuring the implementation of robust data pipelines, analytical data modeling, and the necessary quality controls for compliance and decision-making.

I manage deliverables such as:
  • Industrialized and documented data pipelines
  • Reliable and exploitable data models
  • Data controls and acceptance testing
  • Dashboards for steering needs
My approach is focused on quality, traceability, and understanding business needs to deliver truly actionable data solutions.
  • French

    Native or bilingual

  • English

    Fluent

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

Experience

  • CACIB
    Data Engineer
    BANKING AND INSURANCE
    December 2024 - April 2025 (4 months)
    Montrouge, France
    Involved in implementing reliable and traceable data pipelines for Basel IV regulatory reporting, in a context of high compliance stakes.

    Responsibilities and achievements:
    • Development of data pipelines in Python and Spark to feed regulatory reports
    • Implementation of validation tests to ensure data robustness, consistency, and quality
    • Documentation of processes to facilitate their use and deployment
    Python Spark SQL Minio
  • LCL
    Data Analyst
    BANKING AND INSURANCE
    September 2021 - July 2024 (2 years and 10 months)
    Villejuif, France
    Worked on fraud detection and prevention issues, from data preparation to real-time operational monitoring.

    Responsibilities and achievements:

    • Cleaning and preparation of data in Python to ensure a high level of quality and reliability for fraud analysis
    • Definition and implementation of fraud detection rules adapted to different payment methods (especially checks)
    • Extraction and manipulation of data in SQL on Teradata to feed fraud analysis and models
    • Design and automation of fraud monitoring dashboards on Qlik Sense, enabling effective operational steering
    • Development of ETL pipelines under Dataiku: data extraction from Teradata (SQL)
    - business processing and enrichment in Python - automation of workflows with alerts, notifications, and reporting for business teams
    • Implementation of data quality indicators (missing value rates, date consistency, contract ID duplicate detection, etc.) to ensure reliable analysis and decisions
    Python SQL Dataiku Teradata Qlik

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Education

  • Master 2 Big Data and Data Science
    Université. Paris Saclay
    2022
  • General Engineering Degree
    École Centrale Supelec/Ecole Centrale Casablanca
    2021

Certifications

Skill set

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