Freelancer profile translated to English.
Back to original languageAbout Léo
Data Analyst spécialisé Power BI, reporting et KPI, j’accompagne les entreprises dans la mise en place, l’amélioration et la fiabilisation de leurs dashboards décisionnels.
Mon rôle : transformer des données complexes ou dispersées en tableaux de bord clairs, performants et directement exploitables par les équipes métier et le management.
J’interviens principalement sur :
la création ou reprise de dashboards Power BI
la structuration et transformation des données (ETL, Power Query, SQL)
la définition et fiabilisation des KPI
l’optimisation des modèles de données (performance, DAX)
l’automatisation des reportings (Python)
J’ai travaillé dans des environnements exigeants et internationaux (banque, finance), avec des équipes métier et techniques réparties sur plusieurs pays, ce qui me permet d’être rapidement opérationnel et autonome.
- Approche pragmatique et orientée résultat
- Forte capacité d’adaptation à des environnements existants
- Missions ponctuelles ou renfort d’équipe data
Disponible rapidement, en télétravail, pour des missions de courte ou moyenne durée.
French
Native or bilingual
English
Fluent
Can work on-site
Paris (up to 10km)
Experience
- SOCIETE GENERALE CORPORATE & INVESTMENT BANKINGBUSINESS ANALYSTBANKING AND INSURANCEApril 2024 - Today (2 years and 2 months)Montréal, Canada• Led the full migration of HR Analytics dashboards from Tableau to Power BI across the United States and Canada, standardizing KPIs and driving adoption across 12+ teams• Optimized DAX/Power Query data models, improved performance & reduced BI licensing costs by 87% ($120K/year)• Directed cross-border stakeholder coordination, project tracking, and executive presentations, while monitoring milestones to ensure on-time delivery• Managed user access and data security controls for HR dashboards, ensuring compliance with applicable privacy and confidentiality regulations across the Americas• Engineered automated ETL workflows in Python to extract and process datasets from Azure Blob Storage, reduced data processing time by 60%• Built predictive machine learning models and actionable KPIs that improved turnover forecasting accuracy, strengthening executive workforce planning and retention strategies.
- BANQUE DE FRANCEDATA ENGINEERBANKING AND INSURANCEMarch 2023 - December 2023 (9 months)Paris, France• Developed of Big Data applications to improve bank fraud detection and anti-money laundering, using technologies such as Hadoop, Hive and SQL• Developed and deployed ofa data acquisition strategy from different BI applications (LCB, ATENA, EMBARGO, EVOLMPM) to the BASTID Data Lake, using technologies such as Shell, Sqoop, Hive, SQL and Oracle• Collaborated within an agile team for project management, using Git, Jenkins and Jira tools for sprint planning, retrospective and project tracking• Prioritized and organized tasks to efficiently accomplish service goals.• Developed of Hive scripts for data integration and enrichment, as well as for import and export between Hive and PostgreSQL via Sqoop• Transferred data to different environments for visualization
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Education
- MASTER'S DEGREE IN DATA SCIENCEUNIVERSITÉ LUMIÈRE LYON 22023MASTER'S DEGREE IN DATA SCIENCE
- BACHELOR'S DEGREEUNIVERSITÉ LUMIÈRE LYON 22021BACHELOR'S DEGREE