Sujeewa D

Freelance GIS, Remote Sensing and Geospatial Specialist

Freelancer.com • Freelance

Jul 2018 - Present • 8 yrs 1 mo

Freelance GIS, Remote Sensing, and Geospatial Specialist providing professional spatial analysis, environmental modelling, mapping, and geospatial data solutions for international clients, research projects, planning studies, and technical assessments. Experienced in ArcGIS Pro, QGIS, Python/ArcPy, Google Earth, satellite imagery, DEM processing, raster and vector analysis, spatial databases, georeferencing, digitizing, cartography, and GIS workflow automation. My technical work includes watershed and sub-watershed delineation, hydrological and drainage analysis, terrain and slope analysis, land-use/land-cover mapping, suitability analysis, change detection, soil erosion assessment using RUSLE, sediment delivery analysis using InVEST SDR, and SWAT/SWAT+ geospatial preparation and modelling support. I also develop customized GIS workflows, automate repetitive spatial tasks using Python/ArcPy, prepare professional maps and technical figures, process and integrate multi-source geospatial datasets, and deliver analysis-ready outputs for environmental, water resources, agriculture, infrastructure, engineering, and research applications. I focus on accurate methodology, clean data processing, professional presentation, clear communication, and reliable delivery.