Freelancer profile translated to English.
Back to original languageAbout Yanis
I develop web mapping applications and geospatial data pipelines, from PostGIS database to the MapLibre interface in production.
My interventions cover:
Geospatial ETL Pipelines — automation of processing on IGN, INSEE, DVF, OCS GE data
Web mapping applications — performant MapLibre/Vue 3 interfaces, vector tiles, rendering of heavy data
GIS Architecture — Docker containerization, API First, CI/CD on production GIS
Data viz Dashboards — spatial dashboards focused on decision support
Available for full remote one-off projects or sprint reinforcements.
Recent projects:
hackaviz-yanis.drekky.fr — Narrative visualization of defense vs. social issues in Europe over 22 years (Svelte · D3 · MapLibre)
Bilan Foncier-Express — Land analysis DVF × Cadastre × BDNB × ZAN nationwide (FastAPI · DuckDB · Vue 3 · MapLibre)
French
Native or bilingual
English
Fluent
Remote only
Primarily works remotely
Experience
- AUDIARFullstack Developer & Sector Geo-Data EngineerARCHITECTURE AND URBAN PLANNINGDecember 2024 - Today (1 year and 6 months)Rennes, FranceComplete industrialization of the agency's geographic information system: transition to Docker, implementation of a CI/CD and API First architecture on a production SI.Migration of obsolete front stacks to Vue 3 / TypeScript — maintenance load halved.Replacement of manual processing flows with automated Python pipelines, ensuring the reliability of the entire geographic data chain (IGN, INSEE, OCS GE).Deployment of vector tile servers for high-performance web rendering of heavy maps (MOS, OCS GE) — elimination of blocking loading times.Administration and deployment of applications on Debian servers in production — management of Docker environments, updates, and monitoring.
- MODAALWeb Cartography Developer & GeomaticianCIVIL ENGINEERINGApril 2024 - November 2024 (7 months)Lyon, FranceDevelopment of a web application for visualizing open data land and real estate information, integrated into territorial development project workflows.Design and management of PostgreSQL/PostGIS spatial databases for the analysis and storage of geographic data at a territorial scale.Development of a Python algorithm for analyzing business mobility by cross-referencing SIRENE directory data — delivered as a strategic decision-support tool.Production of cartographic atlases and geospatial analysis reports under QGIS to support land-use planning decisions.
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Education
- GISATUniversité Rennes 22024Data Engineering & SIG : Maîtrise avancée de PostgreSQL/PostGIS , automatisation de traitements de données via Python et Rstudio (GeoPandas, Pandas) et modélisation sur QGIS/ArcGIS. Webmapping & Développement : Création d'interfaces cartographiques interactives et de dashboards (Leaflet, Mapbox, JavaScript/HTML/CSS). Analyse Territoriale & Géostatistique : Réalisation de diagnostics complexes, analyses de flux, de réseaux et aide à la décision. Projets en conditions réelles : Agriculture de précision (Michelin) : Étude diagnostique des potentiels technologiques et croisement de données spatiales. Géomarketing (Réseau Entreprendre Bretagne) : Analyse de l'évolution de l'activité sur 20 ans et identification des leviers de croissance territoriale. Web Cartographie (Université Rennes 2) : Modernisation et mise à jour de la carte interactive des campus.