Freelancer profile translated to English.

Description

I help companies, local authorities, and startups transform their data into operational applications.

Specializing in data, webmapping, and full stack development, I design tailored tools: dashboards, APIs, mapping applications, collaborative platforms.

9 years of experience between public and private projects, from rapid prototyping to production deployment.

Data design and enhancement:implementation of data warehouses, automation of processes, ETL (Pentaho, Hop), SQL/PostgreSQL/PostGIS optimization.
Web application development:full stack applications (Python/Flask, Node.js, JavaScript), REST APIs, front-end (OpenLayers, Leaflet, Chart.js).
Webmapping and GIS:integration of geographic data, development of interactive maps, deployment with GeoServer, QGIS, ArcGIS.
Support and consulting:technical scoping, data issue simplification, user training.

Products developed

Geodashboard.fr: territorial observatory for public decision-makers. Centralization and automated updating of territorial data, intuitive web interface for decision support.
Requeteur.org: data manager. Catalog of data and metadata with an API engine to generate datasets by indicator.
Baro’Métropole: data dashboard for local elected officials (Rennes Métropole). Visualization of key indicators, awarded the Prix Territoria 2020.

Missions sought

Development of custom web applications (dashboards, data platforms, APIs).
Implementation or optimization of data systems (warehouses, pipelines, automation).
GIS and webmapping projects (interactive mapping, geographic data integration).
Data consulting and support for local authorities, engineering firms, tech startups.

Industry field of expertise

Languages

French
Native or bilingual

Workplace preferences

Can work on-site

Rennes (up to 10km), Paris (up to 10km), Nantes (up to 10km)

l'Etudiant
Data Analyst
PRESS AND MEDIA
November 2025 - Today (9 months)
Paris, France
Management of rankings (business schools, engineering schools, high schools, etc.)
Design and redesign of the methodology (file system -> DB)
Data analysis and indicator creation
Microsoft Excel SQL Python SQL Server Data Analysis
Rennes Métropole
Lead Fullstack GIS Developer
April 2025 - November 2025 (7 months)
- Technical referent for the department's GIS applications: guiding architectural choices and standards
- Mentoring a developer, technical leadership of the team
- Development of GIS web applications and business APIs

Python (Flask), JavaScript (OpenLayers, Chart.js), QGIS, PostgreSQL/PostGIS, GitLab, Ansible
Python Programming GIS PostGIS Data visualization
Métropole européenne de Lille
GIS Web Developer
PUBLIC SECTOR
May 2024 - March 2025 (10 months)
Lille, France
Development of mapping web applications using open-source components (Extramobile, solar cadastre, etc.). Env.: Python, SQL, JavaScript, QGIS, GeoServer, Leaflet
JavaScript Geoserver PostGIS Leaflet Data visualization