About Issa
French
Native or bilingual
English
Fluent
Arabic
Native or bilingual
Experience
- BNPRole: TECHNICAL EXPERT – DATA ARCHITECTBANKING AND INSURANCEFebruary 2024 - July 2025 (1 year and 5 months)Paris, FrancePower BI, SSIS, Fabric, and SQL Development- Developed the entire ETL part using SSIS- Designed and developed business intelligence solutions (reports, interactive dashboards)- Advanced data modeling (Power BI semantic models with DAX optimization)- Created dynamic reports and interactive dashboards.- Implemented granular security (RLS - Row-Level Security)- Fabric (Data Flow GEN2, Semantic Model, Warehouse, Lakehouse etc.)BI Administration & Optimization- Configured and optimized BI infrastructure (SQL Server, Power BI Service, VNet Gateway, etc.)- Installed and administered BI servers- Optimized performance (SQL queries, semantic models, ETL pipelines)Designed and developed Data Warehouses according to dimensional models: star schema, snowflake schema, bottom-up, top-downAdvanced performance optimization via:- Partitioning (SWITCH method for efficient volume management)- Strategic indexing (Columnstore, Clustered/Non-Clustered)- Schema redesign for improved query efficiencyMigrated DWH and ETL processes to Azure (SQL MI, ADF)- Deployed and configured Azure services (SQL Managed Instance, Power BI Service, VNet Gateway, etc.)- Installed and configured Self-Hosted Integration Runtimes for local/hybrid ETL execution.- Converted and adapted SQL queries.- Developed ADF pipelinesProject Management & Steering- Gathered and analyzed business requirements, estimated costs, planned, and managed BI projects- Coordinated end-to-end BI projects (from design to deployment)Mentoring & Innovation- Transferred skills and wrote technical documentation- Monitored technological trends and proposed solutions• Functional environment: Developed KPIs and indicators to track cybersecurity activities and data.
- ORANGEBI ExpertTELECOMMUNICATIONSJanuary 2015 - December 2022 (8 years)Arcueil, FrancePower BI & Analytics- Designed semantic models (star schema) for high-performance datasets,- Deployed solutions on Power BI Service (workspaces, gateways),- Developed DAX measures for real-time analysis,- Created dynamic reports and interactive dashboards.Expertise in Data Warehousing & Modeling- Designed and developed Data Warehouses according to star/snowflake schemas.- Advanced optimization via:- Partitioning (switch method),- Strategic indexing (Columnstore/Clustered/Non-clustered),- Schema redesign for enhanced performance.- Successfully migrated platform (SQL Server 2012 → 2019) with continuity guarantee.Proficiency in Microsoft BI Technologies (MSBI)- SSAS (Tabular/Multidimensional):- Developed and optimized 50+ cubes (partitions, refresh modes),- Created complex measures in MDX/DAX,- Managed roles and security.- SSIS/SSRS:- Configured and tuned services,- Automated ETL flows and report generation.Cloud Data & BigQuery- Managed complex queries on Google BigQuery (GCP),- Optimized costs and execution times,- Integrated with cloud ecosystems.Project Management & Leadership- Led technical teams (Data Engineers, Analysts) using Agile/Scrum methodology,- Coordinated BI projects from conception to deployment,- Ensured deadlines, quality, and business alignment.• Functional environment: Analyze the impact of campaigns and promotions on sales (online/in-store) and customer behavior. Model competitive projections using SQL, MDX, DAX, and cubes in Power BI.• Technical environment
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Education
- Master's in Business IntelligenceUniversité Dauphine2011
Certifications
- Exam Querying Microsoft SQL Server 2012/2014Microsoft2023
- Exam Implementing a Data Warehouse with Microsoft SQL Server 2012/2014Microsoft2023