
Hajar Biyadi
Senior Data Engineer | Azure & Fabric & Databricks
Salaire / Taux journalier
Clermont-Ferrand, France
Mobilité : Lyon
Freelance
Peut venir sur site
Expertises
Langues
À propos
Introduction
Senior Data Engineer with 5+ years of experience designing and delivering large-scale data platforms. Specialized in Azure, Databricks, and Microsoft Fabric, with strong expertise in real-time data processing, pipeline optimization, and data governance. I help organizations unlock value from their data by building scalable, reliable, and business-oriented solutions. Recognized for technical leadership and for bridging complex data engineering challenges with business needs.
Expérience de travail
Data Engineer
MichelinFreelance
déc. 2025 - Présent
11 mois
Clermont-Ferrand, France
Senior Data Engineer
Erasteel
juin 2025 - oct. 2025
5 mois
Managed the company’s group-wide BI platform, ensuring reliable data flows, governance, and accessibility for all business teams - Designed and industrialized Azure Synapse pipelines to centralize and streamline data from multiple sources. - Implemented FinOps best practices to optimize cloud processing and storage costs across environments. - Automated CI/CD deployments and optimized Data Lake and Azure Functions to enhance performance and data governance. - Developed Power BI data models providing a unified view of production and performance indicators.
EXAKIS NELITE
avr. 2023 - mai 2025
2 ans 2 mois
Clermont-Ferrand, France
Senior Data Engineer
févr. 2025 - mai 2025
4 mois
Clermont-Ferrand, France
Studied the design and implementation of a real-time data platform prototype, demonstrating the feasibility of ingesting, processing, and visualizing log data - Built a POC with Microsoft Fabric for real-time data ingestion from IoT devices and log streams. - Integrated Eventstreams into Eventhouse for continuous, automated data processing. - Developed a real-time Power BI dashboard to monitor KPIs and support operational decision-making.
Lead Data Engineer for Michelin
janv. 2024 - janv. 2025
1 an 1 mois
Lead the data engineering part within Michelin’s Corporate data lake team - Collected and transformed ADLS gen2 logs to identify data access and usage using Databricks and ADF - Optimized and improved the code performance within Databricks notebooks. - Studied and implemented new technologies such as Unity Catalog within Databricks. - Creation of PowerBI reports to highligh all the needed KPIs to facilitate data governance.
Tech lead Power BI for Michelin
avr. 2023 - mars 2024
1 an
Joined Minchelin's Corporate Data Lake team to lead the power bi part: - Identification and automation of recurring workflows using Logic Apps and Power Automate - Analysis of PBI logs using Databricks notebooks to drive actionable insights for informed decision-making - Supervision of general usage and PBI nodes health - Management of PBI licenses and Premium capacities - Study the move to Microsoft Fabric
Sopra Steria
janv. 2021 - mars 2023
2 ans 3 mois
Data Engineer for Stäubli
août 2022 - mars 2023
8 mois
Set up of an Azure environment for cold and live data processing (Iot Hub) - Participation in the implementation of the Data architecture on Azure. - Management of the datawarehouse through delta tables in the datalake. - Creation of Spark synapse notebooks for data processing. - Monitoring of synapse pipelines and spark pool via Log Analytics. - Building Power Bi reports
Data Engineer for Eramet
janv. 2021 - juil. 2022
1 an 7 mois
Integration of an agile BI team to handle projects in the scope of Finance - Management of Synapse pipelines and loading of data into the dwh of the synapse dedicated pool. - Creation of Azure Function to generate SQL queries. - Animation of business workshops and definition of business rules. - Creation and resolution of anomalies in Power Bi reports
Data Engineer for Air Liquide
Avanade
avr. 2020 - oct. 2020
7 mois
92130 Issy-les-Moulineaux, France
The project is about decommissioning SAP and moving to the cloud. For this purpose, a BI data platform was set up to move reports from SAP to Azure. - Data model design - Implementation of the ELT process (Extract, Load, Transform) - Loading data from Blob storage to Azure Synapse Analytics by Azure Data Factory - Data processing by stored procedures in SQL Server - Creation of cubes and measures by Azure Analysis Services - Creating reports and dashboards with Power BI
Data analyst
INRAE
oct. 2019 - mars 2020
6 mois
Clermont-Ferrand, France
Architecture study to simplify the creation of data warehouse in relation to business needs - Creation of a web application to interact with the customer - Generation of SQL files that allow the creation of the data warehouse on PostgreSQL - Generation of XML files that allow the creation of OLAP cubes on JRubik - Analyze OLAP cubes
Formation
Harbin Institute of Technology
Master's degree
2019 - 2020
2 ans
lSIMA Clermont-Ferrand
Diplôme d'ingénieur
2017 - 2020
4 ans
CPGE - Lycée Moulay Youssef, Rabat
2015 - 2017
3 ans
Licences et certifications
Microsoft Certified: Azure Database Administrator Associate
Délivré le : févr. 2025
Microsoft Applied Skills: Implement a Real-Time Intelligence solution with Microsoft Fabric
Délivré le : janv. 2025
Microsoft Certified: Power BI Data Analyst Associate
Délivré le : janv. 2025
Microsoft Certified: Fabric Data Engineer Associate
Délivré le : janv. 2025
Microsoft Certified: Fabric Analytics Engineer Associate
Délivré le : mai 2024
Microsoft Certified: Azure Data Engineer Associate
Délivré le : juin 2022
Microsoft Certified: Power Platform Fundamentals
Délivré le : févr. 2021
Exam 778: Analyzing and Visualizing Data with Power BI
Délivré le : mai 2020
Microsoft Certified: Azure Fundamentals
Délivré le : avr. 2020
Portfolio

Building a Reliable and Scalable Data Platform for Industrial BI

Improving Data Engineering and BI Governance Solutions
