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Oceane MabialahOM

Oceane Mabialah

Data Governance | Data Steward | Quality & Privacy

€600/day
Paris, FR
3-7 years

Average response time: 1 hour

About Oceane

Data Quality Specialist helping teams improve the reliability and governance of their data.
I build monitoring tools and dashboards (Python, Power BI) and support data documentation in Collibra or Dataplex.
Experienced in data engineering, governance, and AI-readiness projects on GCP and Azure.
  • French

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • AXA
    DATA MANAGER & DATA STRATEGIST
    BANKING AND INSURANCE
    September 2024 - Today (1 year and 10 months)
    Paris, France
    • Oversaw and supported business teams in implementing the Data & AI Governance Strategy at AXA France.
    • Built a Python/PySpark monitoring tool to track data quality and reliability across the Azure Data Lake via Power BI.
    • Designed ML and GenAI POCs (Regression, Classification, KNN) addressing business-specific challenges.
    • Trained and guided Data Stewards (IARD division) on governance best practices and documentation in Collibra.
    • Led data literacy initiatives at scale through educational videos and internal publications.
    • Mapped and governed Databricks Datalabs (IARD scope): usage management, compliance, ownership definition.
    • Documented critical datasets in Collibra in collaboration with over 20 stakeholders.
    Stack: Python, PySpark, SQL, Azure, Databricks, ETL, Power BI, Collibra, Data Lineage, Data Quality, AI Governance, MLOps
    Python PowerBI Collibra Data Modeling
  • QERYN
    FOUNDER & DATA SCIENTIST
    DIGITAL AND IT
    March 2025 - Today (1 year and 4 months)
    Paris, France
    • Developed the QerynCore backend API (Python + FastAPI) to orchestrate AI content generation (text, image, audio, video).
    • Designed modular AI routing pipelines and real-time conversational orchestration (RAG-like architecture).
    • Integrated Firestore, Stripe (plans & usage quotas), and analytics tracking for generation traceability.
    • Set up a serverless GCP environment with CI/CD via GitHub Actions for automated deployment.
    • Defined product strategy, user feedback loops, and usage KPIs to guide development priorities.
    Stack: Python, FastAPI, GCP (Cloud Run, Firestore), Stripe API, GitHub Actions (CI/CD), Generative AI, API Design, Real-Time Orchestration, Usage Analytics
    GCP Dataplex PowerBI Python Google Cloud Platform (GCP) Data architecture
  • Société Générale
    DATA ANALYTICS ENGINEER
    BANKING AND INSURANCE
    September 2023 - September 2024 (1 year)
    Paris, France
    • Analyzed 10M+ transactions using SQL & PySpark for pre- and post-migration testing to the Data Lake (across France, Germany, Switzerland, Belgium, Spain, UK, US, Hong Kong).
    • Conducted causal analyses to identify data discrepancies, leading to critical pipeline redesigns.
    • Modeled business tables and views in the Data Lake, enabling cross-functional reporting for Finance & Compliance teams.
    • Built Power BI dashboards for 5 strategic business units.

    Stack: SQL, PySpark, ETL, Hive, HDFS, Power BI, Data Pipelines, Gap Analysis, Causal Inference, Data Reliability
    Python PowerBI Gap analysis Data Modeling Data architecture

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Education

  • MBA in Big Data & Artificial Intelligence
    MBA ESG
    2024
    Focus: Big Data, Machine Learning, Data Management, Governance, Cloud (AWS Project), SQL, RPA
  • Engineering Degree in Information Systems
    ESEO Engineering School
    2023
    Focus: Information Systems, IoT & Big Data Platforms, Software Architecture, Database Design, Project Management

Certifications

  • Data Governance with Dataplex Universal Catalog
    Google
    2025
    Data Quality BigQuery Data Management Identity and Access Management Data Quality Management Data Security Data Governance Data architecture
  • Information Systems Auditing, Controls and Assurance
    The Hong Kong University of Science and Technology
    2025
    Change Management IS Control Risk Management

Skill set

Categories