Oceane Mabialah

About

Data Quality & Governance Specialist helping companies build reliable, compliant and high-trust data. I improve data quality, document critical assets, streamline governance processes, and support GDPR & AI Act readiness. With a strong technical background (Python, PySpark, Azure, Databricks) and hands-on experience with Collibra, I help teams turn their data into a trustworthy, high-value asset.

Experience

• Data & AI Manager · AXA2024-09-01 –

  - Leading the data governance strategy for the Property & Casualty (P&C) perimeter. - Building a data quality monitoring solution (Python, PySpark, Power BI) on Azure to track data reliability in the Datalake. - Conducting cross-functional mapping of data assets, use cases, and analytical environments (Datalabs). - Driving Data Management best practices: roles, ownership, and quality monitoring. - Supporting Data Stewards and coordinating with the Data Office on governance and documentation initiatives. - Managing metadata governance and documentation in Collibra. - Leading internal data awareness initiatives through micro-learning content and community engagement. - Supporting AI & MLOps initiatives, from business needs to POC delivery (ML & GenAI models). Stack: Python, PySpark, SQL, Azure, Databricks, Power BI, Collibra, Data Quality, Data Lineage, MLOps, AI

• Data Analytics Engineer · Société Générale2023-10-01 – 2024-09-01

  - Analyzed 10M+ transactions with SQL and PySpark to validate pre/post migration to the Datalake. - Conducted root cause and gap analyses on data discrepancies, driving critical pipeline redesigns. - Built business data models and “Business Views” enabling cross-functional analytics. - Delivered strategic dashboards in Power BI for multiple business units (Finance, Compliance). Stack: SQL, PySpark, ETL, Hive, HDFS, Power BI, Data Pipelines, Data Reliability

• Software Engineer · Airbus Defence and Space2020-09-01 – 2023-10-01

  - Developed a real-time simulation system for aerospace and defense missions. - Designed an event-driven architecture using Kafka and REST microservices. - Authored full technical documentation (UML, test plans, developer/user manuals). - Gathered and formalized complex business requirements into agile, testable models. Stack: Java, Kafka, Microservices, UML, Event Architecture, Agile

• Web Developer · Gestion62020-05-01 – 2020-07-01

  - Meet with clients to gather requirements and design sites - Performed website design and development for clients in diverse fields such as automobile, clothing online store and dating site - Worked mainly on Wordpress with Elementor, ContactForm7, WooCommerce and UltimateMember plugins - Web integration using HTML and CSS

Education

• MBA ESGMBA, Big Data & Intelligence Artificielle option Chief Data Officer
• EseoDiplôme d'ingénieur, Engineering Computer Science
• EseoBachelor in Digital and Connected Solutions, Computer Science
• MBA ESGCertification Titre RNCP7, Management de projet
• EseoDiplôme d'ingénieur

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