Technowell is seeking an experienced Senior GIS Developer to lead the design and development of advanced geospatial applications for smart cities, water resource management, and environmental intelligence projects. You will work closely with our AI and data engineering teams to build scalable, interactive GIS dashboards and spatial analytics systems. Key Responsibilities Develop web-based GIS applications using Leaflet, Mapbox, ArcGIS JS, or OpenLayers Integrate geospatial data pipelines using PostGIS, GeoServer, QGIS, and remote sensing tools Implement map services, geospatial APIs, and spatial databases Lead module planning, code reviews, and mentor junior developers Optimize performance for large-scale spatial datasets and visualizations Requirements 5+ years of experience in GIS development Proficiency in JavaScript frameworks and GIS libraries Experience with spatial databases like PostGIS, SpatiaLite Familiarity with OGC standards (WMS, WFS, GeoJSON, etc.)