Freelancer profile translated to English.
Back to original languageAbout Marcel Jordan
Microsoft Fabric certified Data Consultant (DP-700, DP-600) and Power BI (PL-300), immediately available.
3 years at SNCF Voyageurs on end-to-end Power BI projects: business needs gathering, star schema modeling, DAX, RLS/OLS, Power BI Service, dataflows, workspaces, and Power Apps/Dataverse.
Technical Skills: Microsoft Fabric · Power BI · DAX · Power Query · SQL · Python · PySpark · Spark · dbt · Medallion Architecture · Data Warehouse · Lakehouse · Azure · Git · GitHub Actions · CI/CD · Azure DevOps · Docker · Power Apps · Power Automate · Dataverse
Available for freelance missions throughout France and remotely.
French
Native or bilingual
English
Conversational
Can work on-site
Paris (up to 50km)
Experience
- SNCF VoyageursData AnalystTRANSPORTATIONOctober 2023 - October 2025 (2 years)Épernay, FrancePower BI:
- Gathering business needs and facilitating workshops with operational teams and management.
- Leading the redesign of fleet monitoring Power BI reports for the Grand-Est and Hauts-de-France regions, including KPI structuring, data validation, and readability improvement.
- Ensuring evolutionary maintenance of reporting: integrating new sources, Power Query transformations, star schema modeling, performance optimization, and implementing RLS and OLS.
- Administering Power BI Service: workspaces, dataflows, scheduled refreshes, access rights, and multi-audience application deployment.
- Documenting reports, datasets, and business rules to ensure traceability and facilitate maintenance.
Result:Reduced report refresh time from 30 minutes to a few seconds for several hundred users.Power Apps:- Developing and improving business applications for managing intervention requests, including user role management, deployed across multiple sites and used by several hundred agents, with migration to Dataverse to ensure data reliability and scalability.
Power Automate- Designing and optimizing flows to automate recurring business processes: approvals, notifications, data synchronization, REST API calls, and execution monitoring.
- SUPINFODeveloperEDUCATION AND E-LEARNINGNovember 2022 - September 2023 (10 months)Paris, France
- Developed a Python solution for automating administrative processes for 5 campuses: automated document generation, reducing processing time from several hours to a few seconds, and eliminating manual errors.
- Developed a PHP solution for centralized attendance/absence management, integrated with an external API to automate real-time data reporting.
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Education
- Master 2 Data EngineeringSUPINFO2025Data Engineering
Certifications
- Power BI Data Analyst Associate (PL-300)Microsoft2025
- Fabric Analytics Engineer Associate (DP-600)Microsoft2024