Oussama F.

Implementation of a Snowflake Data Platform for Finance (SAFRAN): - Designed and deployed a Snowflake-based Data Platform architecture to optimize the management and analysis of the company’s financial data. - Developed data ingestion, transformation, and modeling processes, ensuring data integrity and security within a cloud environment. - Collaborated with finance teams to define business requirements and ensure perfect alignment of solutions with reporting and compliance needs. - Implemented automation and performance optimization solutions for real-time processing of large data volumes.

Market Study and LLM Integration for a Semantic Layer (Accor Group): - Conducted an in-depth market study to evaluate the best solutions and technologies for semantic layers and data management. - Developed a strategy for implementing a semantic layer to improve data access and understanding through language models (LLM) and AI solutions. - Integrated language models (LLM) to enhance internal data search and analysis processes, providing faster and more accurate insights for marketing and commercial teams. - Collaborated with Data Science, IT, and business teams to ensure smooth adoption of the solution and optimize its use for Accor's needs.

Contractor at Banque Internationale du Luxembourg Responsibilities: - Capturing business requirements. - Design and modeling of a business data warehouse. - Production of documentation deliverables, such as functional and technical specifications, for development teams located in India.

Contractor at BNP Paribas Data Lead on the WCR System Overhaul Project, providing metrics on client payment data for several thousand users representing over 1500 companies. Responsibilities: - Study of technical and functional specifications - Design of the Data Solution - Development of the data layer - Unit Testing - Business Acceptance Testing

Contractor at Banque Populaire BRED (IT Department - Finance and Bank Management/Business Intelligence) Context : After the 2008 financial crisis, new regulatory requirements emerged, demanding enhanced reporting and improved information quality. In response, the BCBS 239 directive was introduced, focusing on creating a Standardized Exchange Zone (ZEN) with a unified data model to ensure reconciled Risk & Finance data of high accounting quality at the group level. Responsibilities: Development and maintenance of ETL flows with IBM DataStage: - Feeding a Data Reservoir and a Data Warehouse on a Hadoop Big Data platform. - Feeding business Data Marts on a DB2 platform. - Optimization of existing flows. - Production monitoring.

Contractor at Galian Assurance (IT Department - Study and Development Division). Responsibilities: Design of web service flows with ELT Stambia. The web service flows serve as interfaces between various systems of GALIAN (Extranet, ERP, and Document Management). - Study of existing systems. - Writing specifications. - Design and implementation of flows (Batch and Web-Service). - Development of implementation documentation. - Maintenance and improvement of flows.

Contractor at Ciprès Assurance (IT Department - Information Systems Management). Responsibilities: - Study of existing systems. - Investigation and audit of existing Stambia flows. - Documentation of flows. - Writing technical and functional specifications.

Contractor at Fongecif Île-de-France (IT Department - Study and Integration Division). Responsibilities: Synchronization of Data Hub with ELT Stambia. - Study of existing systems. - Maintenance of existing flows. - Design and implementation of new flows. - Production deployment of flows.