
Lee-roy Vaillant
Data Engineer | Microsoft Fabric & Azure
Salaire / Taux journalier
Washington, District de Columbia, États-Unis
Mobilité : Paris, Londres, ...
Freelance, ouvert au CDI
À distance uniquement
Expertises
Langues
À propos
Introduction
Data Engineer with 3+ years specializing in Microsoft Fabric, Azure, and automated data pipelines. Achieved 93% reduction in manual reporting effort through medallion architecture and CI/CD implementation. Expert in ADF, PySpark/SQL, Power BI with proven governance and performance optimization skills for enterprise analytics solutions.
Expérience de travail
L.I.S.E Academy and Primary School
janv. 2021 - Présent
5 ans 10 mois
Data Engineer
janv. 2022 - Présent
4 ans 10 mois
• Built Fabric pipelines to ingest SIS, billing, and attendance data; month-end reporting now runs automatically (~93% less manual effort). • Standardized a Delta medallion layout (Bronze, Silver, Gold) as the single source of truth. • Implemented CI/CD with Deployment Pipelines and library variables for safe promotion across Dev, Test, and Prod. • Tightened governance with Entra ID (service principals, provisioning) and enforced RLS, OLS, CLS plus dynamic data masking. • Published governed Power BI semantic models and department dashboards used daily.
Operations & Billing Specialist
janv. 2021 - janv. 2022
1 an 1 mois
• Replaced manual reports with T-SQL and Power BI, highlighting payment and enrollment trends. • Built automated imports across admin systems to improve data quality and timeliness.
Founder & Operations Manager
LPV Transports LLC
juin 2018 - juil. 2019
1 an 2 mois
Alpharetta, Géorgie, États-Unis
• Ran a three-truck logistics operation using Samsara for GPS/ELD/compliance. • Built a SQL Server analytics database and star schema; automated reporting on customers, driver performance, and profitability with T-SQL.
Formation
Georgia State University
Bachelor of Science
Licences et certifications
Microsoft Certified: Data Analytics Engineer Associtae
Délivré le : juin 2025
Microsoft Certified: Fabric Data Engineer Associate
Délivré le : janv. 2025