Freelancer profile translated to English.
Back to original languageAbout Yassine
Over his 8 years of experience, Yassine has been involved in all phases of a "Data" project, from the scoping and technological watch phase to the integration phase, including the restitution of data responding to business issues.
English
Native or bilingual
French
Native or bilingual
Can work on-site
Paris (up to 50km)
Experience
- CACEISConsultant Snowflake/TalendBANKING AND INSURANCESeptember 2023 - Today (2 years and 11 months)**Objective**: Migration of the Hortonworks Big Data platform to Snowflake
- Participation in the implementation of the target architecture
- Conversion of Talend 7.3 jobs to Talend 8.0
- Re-pointing of existing Hortonworks jobs
- Production deployment and end-to-end run of plans
- Double run (Legacy, Talend/Snowflake) and validation of treatments/tables between the two systems
- Fédération Nationale de la Mutualité FrançaiseConsultant Snowflake/TalendHEALTH AND WELLNESSJuly 2025 - October 2025 (3 months)Paris, FranceObjective: Audit of the data platform and modernization of processes
- Complete audit of the Talend Cloud and Snowflake architecture (data flows, ETL processes, governance)
- Identification of gaps compared to Talend/Snowflake standards and definition of best practices to implement
- Refactoring of the architecture: implementation of the Bronze/Silver/Gold medallion architecture in Snowflake, separation of PREPROD/PROD environments, centralization of jobs in TMC, Git standardization, and automation of monitoring via API to Dollar Universe
Skills practiced: Talend Cloud, Snowflake, GIT, DollarU, AWS - CHRONOPOSTConsultant Snowflake/TalendMay 2022 - August 2023 (1 year and 3 months)**Objective**: Migration of the Data Warehouse from Teradata to Snowflake (7 TB of data)
- Setup of Talend environments (studio, tac, nexus) and Snowflake
- Conversion of database objects (DDL, Procedures, Scripts)
- Definition and implementation of the data migration and data validation process (historical data migration)
- Conversion of jobs (Talend 6.4 to Talend 8.0, Informatica to Talend 8.0):
- Talend 6.4 to Talend 8.0 (re-pointing of Teradata targets to Snowflake)- Informatica to Talend 8.0 (re-engineering of jobs)- Production deployment and end-to-end run of plans
- Double run (Legacy, Talend/Snowflake) and validation of treatments/tables between the two systems
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Education
- Specialized Master's degree in Open Information Systems EngineeringEcole Centrale Paris2017Mastère spécialisé Ingénierie des Systèmes Informatiques Ouverts
- Master of Data ScienceSUPINFO - The International Institute of Information Technology2015Master of Data Science