wiam liedri
Data Analyst | Power BI
Salaire / Taux journalier
69340 Francheville, France
Freelance, ouvert au CDI
Expertises
Langues
À propos
Introduction
Data Analyst with 2+ years of experience in business intelligence and cloud analytics. Proven track record of improving data accuracy by 45% and reducing query execution time by 95% through optimized workflows. AWS-certified specialist in Power BI dashboards, Python ETL development, and real-time KPI tracking for strategic decision-making.
Expérience de travail
Data Analyst
Groupe BPCE
mars 2024 - oct. 2024
8 mois
Paris, France
-Conducted ad-hoc analysis to resolve systemic data issues, improving data accuracy by 45%. -Developed Power BI dashboards tracking system level data quality metrics, alerting teams to trends and outliers. -Automated data quality tests using multiple criteria to detect anomalies and improve validation accuracy. -Built and maintained Power BI dashboards used by 3+cross functional teams to track KPIs and support strategic planning.
Data Analyst
Frontware International
mars 2023 - août 2023
6 mois
Bangkok, Thaïlande
-Optimized PostgreSQL queries for client and product reports, reducing execution time by 95%. -Developed an ETL workflow in Python to integrate and clean raw customer datasets, ensuring reliable analytics. -Built real time dashboards to track user activity & sales conversion KPIs.
Formation
McMaster University
Master's degree
2023 - 2024
2 ans
Polytech Clermont
2021 - 2024
4 ans
CPGE Lycée Louis Thuillier
2019 - 2021
1 an 11 mois