About Omar
French
Native or bilingual
English
Fluent
Experience
- Renault GroupeData Engineer GCPAUTOMOBILEMarch 2021 - Today (5 years and 3 months)Paris, FranceRedesign of the guarantee and provision system for management controllers:The mission aims to modernize the calculation system for guarantee budgets and unit costs of vehicles, used by management controllers. The project aims to make guarantee management processes reliable and automated, ensuring maximum data quality at each stage of processing, from integration to analysis, to optimize decision-making within management control teams.• Design, development, and deployment of ETL pipelines on GCP: BigQuery, GCS, PostgreSQL (Cloud SQL), Dataflow (Apache Beam), orchestrated by Cloud Functions & Cloud Scheduler.• Implementation of Python pipelines ensuring modularity, testability, and reusability.• Setup of CI/CD pipelines via GitLab for multi-environment deployments (dev, staging, prod).• Construction of consolidated repositories to ensure data consistency.• Development of consistency tests between intermediate tables, validation of business rules, and implementation of alert mechanisms.• Optimization of BigQuery performance.
- KeringData EngineerLUXURY GOODSSeptember 2019 - December 2020 (1 year and 3 months)Bd Périphérique, Paris, FranceFeeding a data lake for Kering and its brands to provide a quality data offering for customer dashboarding (purchase behavior, customer engagement, sales by segmentation, ...) and predictions with data science / machine learning tools1) Data Processing:
- Ingesting data from SFTP and Cassandra, converting to Parquet, and enriching in several stages (Bronze, Silver, Gold).
- Automating workflows with Apache NiFi and storing processed data on Cassandra.
2) Analysis and Reporting:- Cross-referencing customer, sales, and campaign data to generate key indicators (segmentation, customer profiles).
- Creating analytical dashboards for monitoring sales performance.
- Storing results on Amazon Aurora.
- RTEData EngineerENERGY AND UTILITIESFebruary 2019 - September 2019 (7 months)Paris, FranceThe ODESSA project, managed by the Big Data Factory team and hosted on the staging platforms, aims to establish an enterprise data lake open to various needs and ensure its migration to a Datacenter.1) Maintenance and Technical Support:System maintenance: Managing data processing scripts, resolving critical incidents, and monitoring data quality.2) Data Ingestion and Processing:Data stream management: Capturing and processing raw data, integrating streams into process management systems.3) Industrialization and Deployment:Automation and deployment: Using Ansible for environment installation, setting up CI/CD with Git and Jenkins, and documenting processes and installations.
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Education
- Master 2 (M2), Programming and Secure SoftwareUniversité Paris Nord- Paris 132016Master 2 (M2), Programmation et Logiciels Sûrs
- Engineer's degree, Software EngineeringISSAT Sousse2015Engineer's degree, Génie Logiciel
Certifications
- Google Cloud Professional Data EngineerGoogle
- Professional Scrum MasterScrum