I will web gis application mapbox leaflet web map spatial data to openstreetmap

G
geogisr
G
geogisr
Collisin
web gis application mapbox leaflet web map spatial data to openstreetmap
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web gis application mapbox leaflet web map spatial data to openstreetmap
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web gis application mapbox leaflet web map spatial data to openstreetmapweb gis application mapbox leaflet web map spatial data to openstreetmapweb gis application mapbox leaflet web map spatial data to openstreetmap

About this gig

I specialize in building modern, interactive web mapping solutions using Mapbox, Leaflet, OpenStreetMap (OSM), JavaScript, GeoJSON, and spatial databases. I create custom GIS applications that turn complex geographic data into clear, interactive, and user-friendly maps.


Whether you need a simple map visualization or a full GIS platform with multiple layers, filtering, routing, and real-time data integration. I work with a wide range of GIS data formats including GeoJSON, CSV, KML, Shapefiles, and PostGIS databases, ensuring smooth integration and accurate spatial representation.


What I Do

  • Web GIS application development
  • Interactive web map creation
  • Mapbox GL JS integration
  • Leaflet map development
  • OpenStreetMap (OSM) solutions
  • Spatial data visualization
  • GeoJSON / KML / CSV mapping
  • Shapefile data integration
  • PostGIS spatial database setup
  • Heatmaps and data analysis maps
  • Marker clustering and filtering
  • Routing and navigation maps
  • Real-time location tracking systems
  • GIS dashboards and admin panels
  • API integration (Mapbox, OSM)
  • Custom basemap styling
  • Mobile-friendly responsive maps
  • Deployment and hosting support


Contact me before ordering so we can discuss your project requirement

  • Programming language

    • JavaScript

  • Expertise

    • Algorithms & Data structures
    • Localization
    • Performance
    • Design
    • Databases

  • Frontend framework

    • Backbone.js
    • Flutter
    • Nuxt.js
    • React.js

  • Backend framework

    • Django
    • Express.js
    • NestJS
    • Node.js

  • AI & low/no code builders

    • Other

Get to know Collisin

Collisin

Cartographer GIS Specialist Fantasy, Survey Custom Map Designer

  • FromFrance
  • Member sinceJun 2026

  • Languages

    English, French
I am a Professional Cartographer, GIS Specialist, and Map Designer with expertise in Fantasy Maps, DnD Maps, Campground Maps, RV Park Maps, Site Plans, Land Survey Maps, Plat Maps, Subdivision Maps, Vector Maps, City Maps, and Custom Cartography. Skilled in ArcGIS, QGIS, AutoCAD, Adobe Illustrator, and GIS Mapping. I create accurate, high-quality, and visually engaging maps for gaming, real estate, tourism, land development, and business projects. Dedicated to precision, fast delivery, and outstanding client satisfaction.

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