About Denis
French
Native or bilingual
English
Conversational
Experience
- DATA-ONData ConsultantJune 2023 - Today (3 years)Levallois-Perret, France
- Sisley ParisData EngineerJune 2024 - November 2024 (5 months)Saint-Ouen-l'Aumône, FranceCreation of automated workflows (Jobs) to perform data transformations using MatillionOrchestration of data transformation jobsIngestion of data from SAP / Files into datalake tables from MatillionCreation and population of data warehouse tables in SnowflakeDevelopment, testing, and deployment of Matillion JobsUse of Python in Matillion for faster file movement/archiving after processingWriting / Maintaining delivery tracking in testing and production
- Groupe HéronData EngineerSeptember 2023 - June 2024 (9 months)Paris, FranceImplementation of a complete analytical solution, in lakehouse mode (medallion architecture) built within the Microsoft Fabric ecosystemCreation of a generic data feeding framework for the silver layer (data quality) using SparkData ingestion into the bronze layer (raw data) by setting up a module entirely in Python to copy files from the client's SFTPPopulating the Gold and Platinum layers of the lakehouse with Spark notebooks, with one spark notebook per table to take into account client specificitiesUsing Fabric Pipelines to orchestrate and schedule all processingData modeling with Power BISetting up a weekly maintenance processWriting specifications
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Education
- Professional Title (TP) Level 6, Data AnalystLePont2023Titre professionnel (TP) de niveau 6, Data analyst
- Professional Title (TP) Level 6, Data AnalystOpenClassrooms2022Titre professionnel (TP) de niveau 6, Data Analyst