Freelancer profile translated to English.
Back to original languageAbout Ousmane
**Freelance Data Engineer**, I leverage several years of experience in **data modeling**, **ETL/ELT pipeline development**, and **complex data integration**.
I work incloud environments (GCP – BigQuery, Cloud Storage)**, with proven expertise in **SQL, PL/SQL**, and **Python**, as well as **TalendandODItools.
I also have expertise inworkflow optimizationand a strong understanding ofdata governance**, and **data visualizationwith **Power BI**. My deliverables are always accompanied by clear and structured documentation.
Autonomous, rigorous, and results-oriented, I support my clients from start to finish, with a strong focus on **best practices**, **code quality**, and **continuous improvement**.
French
Native or bilingual
English
Conversational
Can work on-site
Calais (up to 50km), Lille (up to 10km), Lens (up to 10km), Paris (up to 50km)
Experience
- ADEO ServicesData EngineerRETAIL (SMALL BUSINESS)August 2023 - May 2025 (1 year and 9 months)Ronchin, FranceProject Context:As part of the migration of the Offer Diagnostic Datamart from Postgresql to BigQuery, a new data model needs to be designed within the Offer Building domain of ADEO's PDP platform. This model serves as the foundation for calculating performance indicators related to Offer Diagnostic, Range Structuration, and Range Letter Optimization (RLO) products.Missions:
- Design and modeling of the data model for Offer Diagnostic and RLO
- Development of data pipelines for both areas
- Deployment of the new architecture within other Business Units
- Coordination of workflows and adaptation to functional needs
Results Achieved:- Complete migration of Offer Diagnostic and RLO Datamarts to BigQuery
- Redesign of associated data flows
- Decoupling of RLO and Offer Diagnostic areas for better modularity
Functional Aspect:Offer DomainTechnical Skills - KIABISQL DeveloperFASHION AND COSMETICSFebruary 2023 - July 2023 (5 months)Lille, FranceProject Context:As part of the modernization of KIABI's Supply Chain tools, a new platform is planned to replace obsolete tools. To ensure operational continuity, existing solutions must be maintained and optimized until their decommissioning.Missions:
- Development and optimization of stored procedures
- Maintenance and improvement of data flows feeding datamarts
- Management of the run and monitoring of Supply tools in production
Results Achieved:- Automation of processes and optimization of data processing
- Simplification of workflow scheduling
Functional Aspect:Supply ChainTechnical Skills - LuminessFlow ConsultantDIGITAL AND ITAugust 2021 - December 2024 (3 years and 4 months)Lens, FranceProject Context:Due to a lack of internal resources on the ODI ETL solution, Luminess sought external expertise to maintain existing flows and support the migration to Talend.Missions:
- Management and resolution of critical incidents on ODI flows
- Complete inventory of existing flows for migration purposes
- Support for teams during the development phase in Talend
- Finalization and quality assurance of new Talend flows
Results Achieved:- Stabilization and optimization of the existing ODI environment
- Successful migration of flows to Talend
- Successful deployment of new Talend flows
Functional Aspect:Digital Document ProcessingTechnical Skills
Reviews
Frédéric
Luminess SAS
Reviewed on 7/15/2025
Oracle Talend DBA
Frédéric
Jouve SA
Reviewed on 2/17/2022
Ousmane was entirely satisfactory on this short mission.
Recommendations
Be the first to recommend Ousmane
Help this freelancer shine by sharing your experience working together.
These freelancer profiles also match your criteria
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4
Education
- Master in Information Systems and Decision SupportUniversity of Lille12010
- Master's Degree in Software EngineeringFaculty of Science and Technology Errachidia - Morocco2005