Freelancer profile translated to English.

Description

BI expert, I support companies in managing and analyzing their data by implementing innovative and high-performance solutions.

With 11 years of experience, I master the integration, modeling, and optimization of BI information systems, particularly with Microsoft tools (MSBI, Power BI, Azure).

Technical architecture expert, I design and deploy robust infrastructures while leading teams to success.

My expertise covers the entire data lifecycle, from ingestion to visualization, with a focus on performance optimization and process industrialization.

Languages

French
Native or bilingual
English
Fluent

Workplace preferences

Can work on-site

Épinay-sur-Seine (up to 50km)

CHANEL SAS - GDS Chanel.com
Tech Lead - Data Engineer - MS Fabric - Power BI
LUXURY GOODS
January 2025 - Today (1 year and 7 months)
Paris, France
**ESG (Environmental, Social, Governance) Platform
Microsoft Fabric - Power BI - Power Platform**

Design and implementation of a medallion data architecture (Landing Zone, Bronze, Silver, Gold, Platinum) on Microsoft Fabric

Setup of the Fabric technical foundation (Lakehouse, Warehouse, Pipelines, Notebooks)

Data modeling and governance

Implementation of SCD Type 1 and Type 2 with Delta Lake and PySpark

Fabric performance optimization and cost management

Design of the Direct Lake Power BI model

Industrialization of data flows and CI/CD automation with Git and Azure DevOps

Deployment and administration of Power BI Service environments

Fabric capacity management

Full integration with the Power Platform (Power Apps, Power Automate, Power Pages, and Dataverse)

Setup of Fabric shortcuts ↔ Dataverse for centralization of business data

Technical supervision of Data & BI teams

Implementation of data lineage, documentation, and engineering standards

Definition of best practices for modeling and orchestration

Active technology watch on Microsoft Fabric and Power Platform

Facilitation of technical workshops and team training.
Microsoft Fabric Microsoft Power BI Python SQL DAX
Ayvens
Tech Lead – Data Architect
AUTOMOBILE
January 2022 - Today (4 years and 7 months)
Nanterre, France
• Installation and configuration of BI servers and MSBI & Azure services
• Configuration of the PBI service gateway and the PBI RS portal
• Implementation of the graphic charter for PBI templates and dashboards
• Management of the SQL Server 2016 to SQL Server 2019 migration
• Implementation and management of data pipelines with Azure Data Factory,
Azure Synapse Analytics, and Azure Databricks
• Definition and implementation of best practices for Azure DevOps and CI/CD
pipeline management
• Performance optimization of BI solutions and data processing
• Kerberos configuration to ensure security and authentication on BI servers
and services
• Support and supervision of the developer team in the implementation of BI
solutions
Microsoft Power BI Azure Data Factory Azure Synapse Analytics Data Factory Azure Synapse

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Master 2 in Business Intelligence (BI)
Université Paris XIII
2013
Master 2 Informatique Décisionnelle (BI)

Tahar Yaici

Expert BI Azure, Power BI & MSBI | Data Architect

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