Saadat A.

I build interactive GIS, 3D mapping, and geospatial web applications that help businesses visualize, analyze, and make better use of location-based data. I'm a software engineer with 8+ years of experience in WebGIS development, specializing in CesiumJS, React, TypeScript, and full-stack application development. I've spent the last several years working on construction and property technology products, solving complex problems involving 3D visualization, terrain analysis, site planning, elevation calculations, and geospatial automation. **What I can help you with:** - 2D/3D WebGIS applications using CesiumJS, Leaflet, MapLibre, and Google Maps - Digital Twins and interactive 3D geospatial platforms - Real estate and PropTech applications, including interactive masterplans and property explorers - Terrain analysis, slope calculation, cut & fill, and elevation modeling - 3D building placement, site planning, and construction visualization - Custom React and TypeScript applications - Backend development and API integrations using Node.js, Python, Django, and FastAPI - Spatial data processing, GIS dashboards, and geospatial automation - Interactive 360° virtual tours for real estate and construction projects **Technologies I work with:** GIS & 3D: CesiumJS, Leaflet, MapLibre GL JS, Turf.js, GeoServer, ArcGIS, Google Maps API, WebGL Frontend: React, TypeScript, JavaScript, Redux, Material UI Backend: Node.js, Express, Django, FastAPI, REST APIs Databases & Cloud: PostgreSQL/PostGIS, SQL Server, AWS, S3 I have a Bachelor's degree in Geoinformatics Engineering and a Master's degree in Computer Science, which allows me to approach projects from both a geospatial and software engineering perspective. Whether you need an interactive mapping application, a custom GIS solution, or an experienced developer to extend an existing product, I'd be happy to discuss your project.