Senior Application Developer (.NET + GIS)

About the project Design, build and implement a new Building Identification and Maintenance System that modernizes the agency’s existing application on the Microsoft .NET / SQL Server / Azure stack, with GIS integration. Responsibilities Build full-stack solutions with C#, ASP.NET, .NET Core / .NET 9, MVC, Entity Framework and JavaScript frameworks Design and optimize SQL Server databases, including spatial data Build cloud apps on Azure (App Service, Azure SQL, Functions) Develop REST APIs and integrate GIS data and mapping with enterprise systems Lead and guide a team of developers, and run code reviews Prepare technical documentation and run knowledge transfer Must-have skills 8+ years as a full-stack .NET developer (C#, ASP.NET, .NET Core, MVC, EF, SQL Server, Azure) Bachelor’s degree in CS, Software Engineering, IS, GIS or a related field Hands-on work with geospatial data in SQL Server, Oracle Spatial and/or PostgreSQL/PostGIS Integration of web mapping libraries (e.g., ArcGIS JS, Leaflet, OpenLayers) Front-end skills: HTML5, CSS, JavaScript, React or Angular Git/GitHub, Azure DevOps and CI/CD Experience leading teams, and strong communication with technical and non-technical staff Nice to have Azure certification (e.g., AZ-204) Master’s degree Public-sector experience Familiarity with NYC property and building data (BIN/BBL, PLUTO, Geosupport)