Freelancer profile translated to English.
Back to original languageAbout Ouerdia
BI Data Analyst and Project Manager with 2 years of work-study experience, specializing in data visualization, analysis, and exploitation for strategic decision-making.
I assist companies in:
Creating and automating dashboards (Power BI / Excel)
Cleaning, normalizing, and consolidating data (SQL, Power Query, DAX)
Digitizing and optimizing reporting for reliable operational monitoring
Analyzing KPIs and formulating business recommendations
Training and supporting users in the exploitation of BI tools
My approach: rigorous, results-oriented, and collaborative. I work closely with technical and business teams to deliver clear and actionable dashboards, tailored to decision-making needs.
Available immediately for freelance missions in Data Analysis, BI, Power BI, reporting, and data project management
French
Native or bilingual
English
Conversational
Can work on-site
Paris (up to 50km)
Experience
- Groupe ADP OrlyData AnalystJanuary 2024 - October 2025 (1 year and 9 months)Creation and automation of Power BI dashboards for KPI monitoring and decision supportData cleaning, transformation, and modeling using Power Query, DAX, and SQLOptimization of reporting and implementation of automated refresh processesData analysis, identification of key trends, and formulation of business recommendationsTraining and support for users in mastering and exploiting BI tools
- Société des Eaux et de l'Assainissement d'Algérie (SEALAL)Assistant Data AnalystMarch 2019 - July 2019 (4 months)AlgeriaAnalysis and exploitation of water production and distribution dataImplementation of automated tracking dashboards in Excel and Power BIMonitoring of operational indicators in near real-timeDigitization of performance tracking (quality, volumes, maintenance)Contribution to monthly reporting and KPI visualization
- Sonatrach - British PetroleumData Migration and Analysis - InternshipDecember 2018 - March 2019 (3 months)AlgeriaMigration of Excel data to Power BI to improve visualization and decision supportCleaning, normalization, and consolidation of data from business systemsCollaboration with technical and operational teams to ensure data reliabilityCreation of analysis reports related to energy production
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Education
- Master Expert Information Systems and SecurityESIC Paris Paris2026Master Expert Systèmes d'informations et sécurité
- Master 2 Electrical and Computer EngineeringUniversité Mouloud Mammeri2021Master 2 génie électrique et informatique