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I will clean convert and organize your gis spatial data
pham quynh hn
About this gig
I will clean, convert, organize, and prepare your GIS spatial data for mapping, analysis, WebGIS, reports, or database use.
I can work with common GIS formats such as SHP, GeoJSON, KML, CSV with coordinates, XLS/XLSX tables, and PostgreSQL/PostGIS-ready outputs.
My services may include:
- GIS data cleaning and standardization
- Coordinate reference system checking and conversion
- Geometry fixing and validation
- Attribute table cleanup
- Converting between SHP, GeoJSON, KML, CSV, and other GIS formats
- Preparing layers for QGIS, ArcGIS, GeoServer, WebGIS, or PostGIS
- Organizing spatial datasets for mapping, analysis, or reporting
This gig is suitable for environmental data, water resources, groundwater, geology, administrative boundaries, monitoring stations, infrastructure, and technical mapping projects.
Please contact me before ordering so I can check your data format, data size, coordinate system, expected output, and delivery time.
Get to know pham quynh hn
pham quynh hn
Water Resources GIS and WebGIS Developer
- FromVietnam
- Member sinceMay 2026
- Avg. response time1 hour
Languages
Vietnamese, English
I am a water resources, hydrogeology, GIS, and WebGIS professional. I work with QGIS, ArcGIS, PostgreSQL/PostGIS, GeoServer, Leaflet, HTML, CSS, JavaScript, and spatial data workflows. I can help create GIS maps, clean geospatial data, build WebGIS applications, publish spatial layers, prepare technical maps and reports, and support groundwater or water resources analysis. My work combines technical GIS skills with practical knowledge of water resources, geology, monitoring data, and spatial database management.
My Portfolio
FAQ
What data formats can you work with?
I can work with common GIS formats such as SHP, GeoJSON, KML, CSV with coordinates, XLS/XLSX tables, and data prepared for QGIS, ArcGIS, WebGIS, or PostGIS workflows.
Can you fix geometry errors?
Yes. I can help check and fix common geometry issues such as invalid geometries, duplicated features, missing attributes, and inconsistent spatial data structure.
Can you convert coordinate systems?
Yes. I can check and convert coordinate reference systems if the source and target CRS are provided or can be identified from the dataset.
Can you prepare GIS data for WebGIS?
Yes. I can organize and prepare spatial data for WebGIS workflows, including GeoJSON, PostGIS-ready tables, GeoServer-ready layers, and clean attribute structures.
Should I contact you before ordering?
Yes. Please message me before ordering so I can review your data size, format, coordinate system, required output, and project deadline.
