About Yoann
French
Native or bilingual
Experience
- GIE ComutitresAnalytics EngineerDecember 2022 - Today (3 years and 6 months)Paris, FranceAs a consultant for the DataFactory team at Comutitres (Île-de-France Mobilités), we are modernizing the ticketing system for public transport in the Île-de-France region. The DataFactory team provides and maintains key data flows and dashboards for RATP, Optile, SNCF, Île-de-France Mobilités, and internal teams. Specializing in managing data flows between databases (Oracle, PostgreSQL, MySQL), integrating partner files (CSV, Excel, JSON, XML), processing data in Python, all orchestrated by Airflow in an AWS cloud environment, DataFactory plays a central role.Responsibilities:Operational Maintenance (Run):- Ensure the proper functioning of the 80 scripts (daily and monthly) and the display of dashboards.- Respond to ad-hoc extraction requests (emailing, analysis, volume, simulation).Project Management:New quarterly projects, with a focus on development, data visualization being handled by Tableau experts. Projects led:- New embedded information systems: Monitoring KPIs for 300 depots, 11,000 buses, and 400 trams. Data exposure via dashboards and depot feeds for partners.- Compensation campaigns: Management of financial flows, customer service requests, complaints, and verification of supporting documents, in collaboration with back-office teams and the finance department.- Recurring extractions: Automated system for sending extractions to requesters by email (monthly, bi-monthly, weekly, daily).- Depositories: Mapping of sales points (agencies, depositories) via the government geolocation API and transport operator data, displayed on the Île-de-France Mobilités website.- PowerPoint Redesign: Updating and designing presentations for steering committees.- Other projects: Archiving customer data, data cleaning verification, subsidiary communication, compensation emailing, LABAZ, Navigo Annual, Monthly, Weekly, Navigo Liberté +, draft invoices, etc.
- LincolnConsultant Data AnalystOctober 2022 - Today (3 years and 8 months)Paris, France1 - Short-term assignment (October 2022 - November 2022): MédiaPerformances 2 - Long-term assignment (December 2022 - Present): GIE Comutitres
- FreelanceFreelance DataOctober 2021 - Today (4 years and 8 months)Paris, FrancePython programmer specializing in data, I will assist you with all projects requiring data cleaning and analysis skills.- RPA (Robotic Process Automation)- Data Cleaning / Cleaning your data:- Data Scraping / Data Retrieval- Data Visualization / Data Visualization
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Education
- University Technology Diploma (DUT)IUT de Laval2019- Développement Web - Programmation - Data - Audiovisuel - Design - Mathématiques - Droit - Marketing
- Multimedia Project ManagerHETIC2020- Programmation - Data Visualisation - Big Data - Business model - SEO/SEA - Growth Hacking
Certifications
- Intermediate PythonDatacamp2021
- Data Manipulation With PandasDatacamp2021