I recently processed over 100,000 drone images covering approximately 10,000 hectares for Bridgmick Global Services. I delivered a Digital Terrain Model (DTM), orthomosaic, and contour maps that contributed to $20,000 in revenue during our first year of collaboration.
I help engineering, environmental, research, and property teams turn messy spatial data, drone imagery, satellite and aerial imagery, LiDAR point clouds, survey-control data, and field-survey files into accurate, ready-to-use GIS, CAD, and mapping deliverables. My background spans SAR remote-sensing research, remote sensing and Earth observation, agricultural GeoAI, terrain modelling, and vegetation mapping, backed by end-to-end GIS automation. I work with engineering firms, surveyors, researchers, and environmental teams that need dependable, accuracy-first geospatial support, the kind of work you can hand off and trust.
Remote Sensing & Earth Observation
I work with Sentinel-2, Landsat, and other satellite and aerial imagery sources through Google Earth Engine, applying computer vision and object detection to identify, classify, and map features such as land cover, vegetation, and change over time. I also review, annotate, and quality-check imagery and geospatial datasets to defined accuracy and QA standards, work that translates directly to imagery review, benchmarking, and domain-expert evaluation projects.
Coordinate Systems, Datums & Georeferencing
I establish and verify coordinate reference systems, horizontal and vertical datums (State Plane, UTM, GDA2020/MGA, and others), and survey control before any processing begins, because a mismatched datum, not a "bad" point cloud, is often the real source of error. I georeference drawings and imagery against cadastral boundaries, survey control points, and check points, apply similarity/affine transformations without distorting geometry, and document residuals and QA in a clear report. I convert cleanly between DWG, Shapefile, GeoJSON, and GeoPackage with no geometry loss.
LiDAR, Point Clouds & Terrain Modelling
I clean, classify, and georeference point clouds in QGIS, CloudCompare, and Civil 3D-compatible workflows; build DTM/DSM/TIN surfaces; and extract contours, spot elevations, breaklines, and existing-condition/topographic linework. I validate every surface and elevation against supplied survey control and benchmarks rather than adjusting data to "make it fit", and I document any adjustment that is made.
GIS Automation & Analysis
I write Python workflows using GeoPandas, Rasterio, GDAL, and ArcPy to automate repetitive GIS and geospatial-processing tasks, including data cleaning, raster and vector processing, and GeoJSON exports. I build PostGIS/PostgreSQL pipelines for spatial ETL, and I handle digitising, spatial joins, buffers and setback analysis, cadastral and parcel mapping, and density/demographic mapping (population, income, and other attribute-based mapping) for clean, presentation-ready outputs in ArcGIS Pro and QGIS.
CAD-to-GIS & Deliverables
I move data reliably between CAD and GIS, including DWG, DXF, GeoPDF, KML/KMZ, Shapefile, GeoPackage, and map-report formats, while preserving geometry, attributes, coordinate reference systems, and clear layer organisation. I produce print-ready maps and interactive web maps in ArcGIS Online, Mapbox, and Leaflet, and I'm comfortable working alongside licensed surveyors, matching an existing CAD/plot standard so my output drops straight into someone else's project without rework.
Tools: ArcGIS Pro, QGIS, AutoCAD Civil 3D, PostGIS, CloudCompare, Global Mapper, Google Earth Engine, Python, Mapbox, and Leaflet.
I communicate clearly, document my methods, flag assumptions or data limitations early, and treat accuracy in coordinate systems, classification, and final deliverables as non-negotiable. I'm happy to start with a trial and can share relevant samples on request.
ArcGIS
GIS
QGIS
Remote Sensing
Image Analysis
AutoCAD Civil 3D
Python
Geospatial Data
Spatial Analysis
Cartography
Lidar
PostGIS
Satellite Image
CAD Drafting
API Integration
SQL
GeoJSON
Image Annotation
Machine Learning
Photogrammetry
Grace C.
Ikeja, Nigeria
$20/hr
5.0
7 jobs
Hello! I'm a GIS professional with practical experience in geospatial analysis, digital mapping, remote sensing, and WebGIS development. I hold a Bachelor's degree in Geo-informatics and Surveying and help businesses, researchers, utilities, and government organizations transform geospatial data into accurate maps, insightful analyses, and interactive GIS solutions.
Whether you need a simple map, a spatial analysis, or a complete GIS workflow, I deliver accurate, organized, and high-quality results on time.
*My Services*
✔ GIS Mapping & Cartography
* Topographic maps
* Thematic maps
* Custom digital maps
* Map layout and design
✔ Spatial Analysis
* Flood risk assessment
* Land use and land cover analysis
* Site suitability analysis
* Buffer and proximity analysis
* Terrain and elevation analysis
✔ Remote Sensing
* Satellite image processing
* Supervised and unsupervised classification
* Change detection
* Image interpretation
✔ Data Processing
* Data cleaning and validation
* GIS data extraction
* Attribute editing
* Geodatabase management
✔ GIS Data Conversion
* Shapefile
* GeoJSON
* KML/KMZ
* GeoPackage
* CAD to GIS
* Raster and vector conversion
✔ Survey & Cadastral Mapping
* Parcel mapping
* Boundary plotting
* Coordinate system transformations
* Georeferencing
✔ WebGIS & Automation
* ArcGIS Online
* Survey123
* Field Maps
* Interactive web maps
* GIS dashboards
* GIS workflow automation
## Tools & Technologies
**GIS Software**
* ArcGIS Pro
* ArcMap
* QGIS
* Global Mapper
* Google Earth Pro
* SNAP
* AutoCAD
**Programming & Web**
* Python
* FastAPI
* Google Maps API
* WordPress
**Field Data Collection**
* Survey123 Connect
* ArcGIS Field Maps
* Collector
**Data & Visualization**
* ArcGIS Online
* Power BI
* Microsoft Excel
* CSV
* Geodatabases
* Raster & Vector datasets
**AI & Annotation**
* CVAT
* Roboflow
* Inkscape
* Canva
## Why Work With Me?
* Accurate and detail-oriented GIS analysis
* Clear communication throughout your project
* Fast turnaround without compromising quality
* Clean, professional map layouts
* Reliable and organized project delivery
* Commitment to exceeding client expectations
If you're looking for a dependable GIS professional who can deliver accurate spatial analysis, professional maps, and modern WebGIS solutions, I'd be happy to discuss your project.
**Let's bring your geospatial data to life!**
ArcGIS
GIS
Digital Mapping
Georeferencing
Remote Sensing
Image Processing
Data Visualization
Python
Google Maps
CAD
Graphic Design
Adobe Photoshop
Spatial Analysis
QGIS
Geospatial Data
Motunrayo D.
Akure, Nigeria
$5/hr
5.0
2 jobs
Land Survey CAD Drafter | Civil 3D | Site Plans | Subdivision Plans
Need your survey data turned into an accurate CAD drawing without the back-and-forth, confusing revisions, or costly drafting mistakes?
When survey points, field data, PDFs, existing CAD files, property information, or topographic data need to become a clean, accurate, and usable plan, the drafting process needs to be more than simply tracing information.
Whether you are a land surveyor, civil engineer, architect, developer, contractor, or property professional, the goal is to have drawings that are organized, easy to review, and ready for the next stage of your project.
Land Survey & Civil 3D CAD Support
Land Survey CAD Drafting | AutoCAD Civil 3D | Site Plans | Subdivision Plans | Topographic Surveys | Boundary Surveys | GIS Mapping | Grading & Drainage Plans
Common deliverables include:
• Land survey CAD drafting and survey-to-CAD production
• AutoCAD Civil 3D survey drafting
• Site plans and permit site plans
• Residential and commercial subdivision plans
• Lot layouts and parcel mapping
• Boundary and topographic survey drafting
• Contour, surface, and terrain modeling
• Grading and drainage plans
• Existing-condition and as-built drawings
• Survey point and field-data processing
• GIS mapping and spatial data visualization
• PDF, scanned drawing, and sketch-to-CAD conversion
• CAD revisions, redlines, cleanup, and drawing updates
Problems this helps solve
Survey data is difficult to organize?
Points, elevations, contours, boundaries, and existing conditions can be structured into a clear Civil 3D drawing.
Your existing CAD file has errors or needs major revisions?
Drawings can be reviewed, corrected, cleaned up, and updated while maintaining a logical CAD structure.
You need a subdivision or site plan from survey information?
Survey information can be developed into organized site layouts, lot configurations, parcel information, and subdivision drawings.
Your project keeps getting delayed by drafting revisions?
Attention to dimensions, elevations, scale, annotations, layers, and project requirements helps reduce avoidable drafting issues.
You need someone who understands survey information rather than simply drawing lines?
The workflow combines land surveying, Civil 3D, CAD drafting, site planning, subdivision design, and GIS to keep the drawing connected to the underlying project data.
What you can expect
✓ Accurate and organized CAD drawings
✓ Proper layers, dimensions, annotations, and scales
✓ Civil 3D surfaces, contours, parcels, and survey information when required
✓ Clear site and subdivision layouts
✓ Professional survey drafting and mapping
✓ Clean, editable CAD deliverables
✓ Clear communication and dependable turnaround
✓ Fewer avoidable revisions and a smoother project workflow
A completed Upwork project has received a 5.0/5.0 rating, with client feedback recognizing attention to detail, professionalism, quality, communication, and solution-oriented work.
Software
AutoCAD Civil 3D | AutoCAD | ArcGIS | QGIS | Carlson Survey | Trimble Business Center | Leica Infinity | Google Earth Pro
From a single residential property to a larger land-development or subdivision project, the objective remains the same:
Turn complex survey and site information into clear, accurate drawings that help your project move forward.
Have survey points, a PDF, existing CAD file, field data, or project requirements?
Send the files and project scope. Let's determine exactly what needs to be produced and get your drawing moving in the right direction.
Land Survey, Land Surveying, Land Surveyor, Land Survey CAD, Land Survey CAD Drafter, Survey CAD, Survey CAD Drafter, Survey Drafting, Survey Drafting Services, Survey Technician, Survey Mapping, Survey Drawing, Survey Plan, Survey Data, Survey Data Processing, Survey to CAD, Survey CAD Conversion, Survey Drafting CAD, CAD Survey Drafting, Land Survey Drafting, Civil 3D, AutoCAD Civil 3D, Civil 3D Drafting, Civil 3D Survey, Civil 3D Survey Drafting, Civil 3D CAD, Civil 3D Design, Civil 3D Surface, Civil 3D Surfaces, Civil 3D Modeling, Civil 3D Mapping, Civil 3D Plans, Civil 3D Site Plan, Civil 3D Subdivision, Civil CAD, Civil CAD Drafter, Civil Drafting, Civil Engineering CAD, AutoCAD, AutoCAD Drafting, AutoCAD CAD, CAD Drafting, CAD Drafter, CAD Designer, CAD Technician, CAD Drawing, CAD Design, CAD Services, CAD Plans, CAD Production, CAD Documentation, CAD Cleanup, CAD Revision, CAD Redline, CAD Editing, CAD Conversion, CAD File Conversion, CAD Drawing Revision, Technical Drafting, Technical Drawing, Engineering Drafting, Engineering CAD, Engineering Drawings, Site Plan, Site Plans, Site Plan Design, Site Plan Drafting, Site Plan Drawing, Site Planning, Site Layout, Site Layout Plan, Site Development Plan, Site Development, Permit Site Plan, Permit Plan, Permit Drawings, Development Plan, Land Development, Land Development Plan, Land Development Design, Property Site Plan
ArcGIS
Land Surveying
CAD Drafting
Site Plan
Subdivision Design
AutoCAD Civil 3D
Autodesk AutoCAD
Site Planning
CAD
GIS
2D Drafting
Data Visualization
Autodesk Revit
Drafting
Autodesk 3ds Max
Microsoft Word
Master Planning
Civil Engineering
Architectural Design
Survey Design
Nasiru Adebayo O.
Osun, Nigeria
$30/hr
5.0
11 jobs
Top Rated Plus interactive maps, GIS applications developer. Seasoned end-to-end geospatial expert; spatial databases, performant spatial backends and interactive web mapping frontends.
I transform complex spatial data into actionable insights. With 6+ years of hands-on experience, I’ve delivered solutions for governments, researchers, and enterprises that drive decisions, save time, and scale effortlessly.
What I do best:
- Web & GIS Applications: Custom Mapbox GL JS, Leaflet, or Google Maps-style apps with geospatial search, real-time data, and analytics.
- Decision Support Dashboards: Interactive dashboards integrating GIS, APIs, and live data for informed, instant decisions.
- Enterprise GIS & Automation: Full-stack solutions using Django/GeoDjango, FastAPI, PostGIS, AWS
My solutions are scalable, efficient, and maintainable.
Proven Results:
- Built a soil data visualization platform for researchers analyzing real-time field data.
- Developed a collision repair center locator with pricing and geospatial comparison tools.
- Delivered dashboards for 5 government agencies to streamline decision-making.
- Created an enterprise GIS platform for a state water corporation integrating open-source tools for seamless operations.
Why work with me:
- Senior-level expertise in GIS, web mapping, and spatial data science.
- Full-stack development for end-to-end solutions. No half-baked apps.
- Solutions that scale, automate workflows, and deliver measurable impact.
Tools & Tech:
Leaflet, Mapbox GL JS, Django/GeoDjango, FastAPI, PostGIS, GeoServer, Docker, AWS, ArcGIS Pro/Online, QGIS, Python, Machine Learning for spatial data.
I don’t just make maps, I build tools that change how organizations work.
ArcGIS
QGIS
Python
ArcGIS Online
Web Development
GIS
Mapbox
Geospatial Data
PostGIS
Cloud Computing
Data Science
Geocoding
OpenStreetMap
Google Maps
Google Maps API
Hassan A.
Abuja, Nigeria
$15/hr
5.0
12 jobs
I help clients turn location and spatial data into clear, useful, and visually engaging maps, analysis, and interactive experiences.
Whether you need a custom printable map, an interactive web map, GIS analysis, or help turning raw data into something easy to understand, I can help bring your ideas to life.
My work includes:
• Custom maps for print, events, running routes, tourism, wall art, and presentations
• Interactive Web GIS applications using Mapbox GL JS, Leaflet, and ArcGIS StoryMaps
• GIS analysis and spatial problem solving
• Hydrology and terrain analysis (flow direction, flow accumulation, watershed and flood risk analysis)
• Remote sensing, photogrammetry, and change detection projects
• Cartography and publication-ready map design using QGIS and Adobe Illustrator
• Visual presentations and map layouts using Canva
• Data processing from CSV, Shapefiles, GeoJSON, GPX, DWG, drone orthophotos, and point cloud datasets
I work with both technical and non-technical clients and focus on turning complex information into outputs that are accurate, clean, and easy to use. Whether you’re a researcher, organization, business owner, planner, surveyor, or someone with an idea for a map, I aim to provide practical solutions and a smooth experience from start to finish.
Not sure where to start? Send your data, screenshots, or even just your idea, and I can quickly suggest the best approach for your project.
ArcGIS
Digital Mapping
QGIS
Remote Sensing
Cartography
Spatial Analysis
GIS
Leaflet
Map Visualization
Python Folium
Microsoft Excel
Adobe Illustrator
Mapbox
Vector Tracing
Data Visualization
Land Surveying
Geospatial Data
Data Analysis
Google Earth
Lidar
Adejumoke A.
Akure, Nigeria
$10/hr
5.0
2 jobs
Your data has a story , I help you uncover it, visualize it, and turn it into actionable insights that solve real-world problems.
I am Adejumoke, a Geospatial Data Expert and Data Analyst with hands-on experience in GIS, Remote Sensing, spatial analysis, and data visualization. I help businesses, researchers, NGOs, environmental organizations, and decision-makers transform complex spatial and non-spatial data into accurate, easy-to-understand solutions for planning, monitoring, and decision-making.
Whether you need:
1. Geospatial analysis and mapping
2. Remote sensing and satellite image analysis
3. Environmental and land-use analysis
4. Spatial data cleaning and visualization
5. Interactive dashboards and reporting
6. Python automation for GIS workflows
7. Data analysis and interpretation
8. Web mapping and navigation solutions
9. Survey data collection and management
10. GIS digitizing, georeferencing, and cartography
I am here to deliver reliable, detail-oriented, and results-driven solutions tailored to your project goals.
My technical skill set includes:
1. ArcGIS Pro & ArcMap
2. QGIS
3. Google Earth Engine (GEE)
4. Python
5. SQL
6. Power BI
7. Microsoft Excel
8. KoboCollect
9. Spatial Data Visualization
10. Data Cleaning & Analysis
11. Remote Sensing & Image Classification
I have worked on projects involving environmental monitoring, campus navigation systems, geospatial visualization, data annotation and validation, and analytical reporting across different sectors.
I value clear communication, timely delivery, and client satisfaction. I am committed to understanding your challenges and providing solutions that create measurable impact.
Feel free to send me a message, I am available for a Zoom call to discuss your project and how I can help bring your ideas to life.
ArcGIS
Product Management
Market Survey
ArcGIS Online
R
OpenStreetMap
Agile Software Development
Geospatial Data
Python
QGIS
Remote Sensing
Data Science
Data Analysis
Virtual Assistance
GIS
Digital Mapping
Data Extraction
Machine Learning
SQL
Data Entry
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