Hager Hamdy
Web GIS Developer @ Self Employed
About
I'm a GIS Developer with 3+ years of experience building spatial web applications, interactive maps, and 3D visualizations. I turn complex geospatial data into practical, user-friendly tools for real-world applications.With a background in Geomatics and Surveying Engineering, I understand spatial data deeply — from collection and validation to spatial analysis, visualization, and decision-making.I've contributed to national-scale GIS projects and worked with government datasets, remote sensing imagery, raster analysis workflows, 3D point cloud processing, and web-based operational dashboards.Recent projects include a geospatial web application for environmental analysis and remote sensing monitoring built with ArcGIS Experience Builder, and a regional Web GIS platform for the Asir region (KSA) supporting planning and decision-making through multi-view architecture, Sentinel-2 imagery integration, and spatial query tools.My core stack:Esri: ArcGIS Online · Enterprise · Experience Builder · ArcGIS Maps SDK for JavaScript · Dashboards · Survey123Web: JavaScript · HTML · CSS · Leaflet · MapLibre · OpenLayers · GeoServer · OGC Services (WMS · WFS · WMTS)Databases: PostgreSQL/PostGIS · SQL Server · SpatialDatabase Design Visualization & 3D: Chart.js · Potree.js · LiDAR Processing · Point Cloud · Scan-to-BIM · Digital TwinI provide Web GIS development services including:- Esri-based application development- Web GIS application development (Open Source stack)- Spatial database design and optimization- Python automation for geospatial workflowsMy focus is on applications where spatial logic drives product decisions — not just the visuals.Open to GIS Developer roles where the work is technical, the stack is modern, and the output is a real product.
Egypt
Cairo
Computer Software
ArcGIS Experience Builder, ArcGIS Online (AGOL), Raster Analysis, Performance Optimization, Client-side Navigation & Multi-view Architecture, Point Cloud Processing (Trimble RealWorks), GIS Databases & Spatial Data Management, Spatial SQL / Advanced Queries, Database Management & Automation, 3D Point Cloud Visualization (Potree.js), DEM Data Visualization, Map Customization & Interactive Maps, Web GIS Development, Technical Training, WebGIS , GeoAI, OpenSourceGIS, Spatial Databases, Web Development, Microsoft SQL Server
Experience

Web GIS Developer
Cairo, Egypt
Developed an interactive geospatial web application for environmental analysis in Japan using ArcGIS Experience Builder. Designed multi-view architecture to efficiently handle and visualize large raster datasets within a single web interface. Implemented dynamic raster analysis tools (Clip, Raster Calculator) enabling user-defined spatial computations (slope, aspect). Engineered UX workflows that abstract backend complexity, turning technical GIS operations into simple user-driven actions. Built optimized navigation systems linking UI elements with map layers to support non-technical users

Web GIS & Geospatial AI – Technical Trainer
Zahraa Al Maadi
Delivered introductory theoretical & hands-on sessions in Web GIS, Geospatial AI, and Spatial Databases as part of a professional training program. Covered core concepts of Web GIS architecture, services, and client-side usage, along with practical demonstrations using GIS platforms and open-source tools. Introduced fundamentals of AI in GIS, GeoAI concepts, and basic QGIS plugin workflows in a simplified, beginner-friendly format. Conducted practical sessions on PostgreSQL/PostGIS, including spatial data modeling, SQL queries, and ArcGIS Pro integration.

GIS Developer / Database Developer
Zahraa Al Maadi
Developed web-based GIS applications using ArcGIS Experience Builder with interactive maps and analytical widgets. Published and managed spatial data through ArcGIS Enterprise Portal, including user access control and service configuration. Wrote SQL scripts to extract and exchange geometry data with non-Esri systems, ensuring data integrity and consistency. Designed secure workflows integrating SQL Server databases with GIS platforms. Automated API-to-GIS pipelines using Python, enabling scheduled data fetching and automatic feature layer creation on ArcGIS Online. Built a scalable data synchronization workflow using ArcGIS API for Python.

Web GIS Developer
Cairo, Egypt
Contributed to a national GIS project in collaboration with the Egyptian Military Survey Authority, based at the National Spatial Data Infrastructure (NSDI) Center. Developed and improved GIS applications using M.App Enterprise, always ensuring data security and integrity. Built applications that allow users to enter, update, and modify spatial data under strict rules and validation workflows. Designed and implemented advanced SQL queries and triggers to automate data updates on the front-end, keeping data accurate and reliable. Contributed to front-end GIS interfaces using JavaScript (ECMAScript), leaflet.js, Chart.js, HTML, and CSS, including advanced filtering, real-time map updates, and interactive elements. Developed custom web GIS solutions beyond M.App Enterprise, integrating interactive maps with automated data synchronization. Built 3D visualizations for Point Cloud and DEM data using Potree.js, including base maps for geographic context and customized 2D height profiles. Added Arabic support using i18n.js, improving accessibility for all users. Researched and applied practical solutions for spatial data challenges, showing initiative and problem-solving in project workflows.

Geomatics Engineer
Maadi
Responsibilities: Processed project data from site teams, performing coordinate adjustments and transformations using Trimble Business Center (TBC). Created survey, cadastral, topographic, and As-Built maps using AutoCAD Civil 3D, integrating road networks, utilities, and landscape features. Processed and georeferenced point cloud data from 3D laser scanners for accurate 3D site models. Developed 3D models for Oil & Gas and industrial projects using AutoCAD Plant 3D, including pipelines, valves, and steel structures. Built and maintained geospatial databases for efficient data management and GIS workflows. Contributed to map visualization, digitizing, labeling, and integrating multiple geospatial data sources in ArcMap. Highlighted Projects: JICA Lining Project – Fayoum & Beni Suef canals El Naser Petrol Station, Suez – 3D Laser scanning & modeling EZZ Steel Company – 3D modeling Fancy Food Factory – Point cloud processing & 3D visualization EVAGRO Farm Project – Detailed property and crop mapping; geodatabases in ArcGIS
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