Senior Full Stack .NET GIS Developer

Job title: Senior Developer Linear Integrated Ordered Network Redesign Location: New York, NY About The Role We are seeking an experienced Senior Developer to design and develop full-stack .NET and GIS solutions, integrate enterprise systems, and support ArcGIS-based applications. The consultant will work across application development, spatial data, Azure services, integrations, and GIS workflow automation. What You'll Do Develop full-stack solutions using C#, VB.NET, ASP.NET, .NET Core, .NET 9.0, Entity Framework, JavaScript, and ArcGIS Maps SDK for .NET. Design and develop interfaces and integration flows using Visual Studio and related application platforms. Develop and optimize Microsoft SQL Server databases, queries, and geospatial data structures. Build scalable applications using Azure App Service, Azure SQL Database, Azure Functions, and other Azure services. Design, develop, and enhance ArcGIS Pro/ArcMap applications and custom extensions for spatial data editing. Develop GIS tools and workflows using Python, ArcPy, Arcade, ModelBuilder, and similar technologies. Integrate GIS applications and data with enterprise systems and third-party platforms. Manage, process, convert, analyze, and maintain spatial data while ensuring GIS data quality and accuracy. Optimize spatial databases and file geodatabases for performance and usability. Develop RESTful APIs and integration solutions for GIS and enterprise platforms. Collaborate with stakeholders and interface designers to gather requirements and deliver effective solutions. Participate in code reviews, troubleshooting, debugging, and application performance improvements. Create and maintain technical documentation, workflows, system designs, and user guides. Conduct knowledge transfer and support adoption across the organization and other city agencies. Ensure solutions follow industry standards, security protocols, and best practices. Qualifications Minimum 8 years of experience in software development as required for the Programmer 3 labor category. Bachelor s degree in Computer Science, Software Engineering, Information Systems, GIS, or a related field. Master s degree is a plus. 8+ years of hands-on experience as a full-stack .NET Developer with C#, VB.NET, ASP.NET, .NET Core, .NET 9.0, Entity Framework, MVC, SQL Server, and Azure. Strong front-end development experience with HTML, CSS, JavaScript, React, Angular, or related frameworks. Minimum 4 years of experience with ArcGIS Pro and/or ArcMap solution design and development. Hands-on experience with ArcGIS Maps SDK for .NET, Python, ArcPy, Arcade, and ModelBuilder. Strong knowledge of the ESRI product suite, including ArcGIS Pro, ArcGIS Enterprise, ArcGIS Server, Portal, SDE DataStore, ArcGIS Desktop, ArcGIS Online, and ArcMap. Experience with geospatial databases including SQL Server, Oracle/Oracle Spatial, and PostgreSQL/PostGIS. Experience developing and integrating RESTful APIs. Strong knowledge of software architecture, design patterns, and development best practices. Familiarity with DevOps, Azure DevOps, Git, GitHub, ALM, CI/CD, and release management. Strong problem-solving, communication, organizational, and project management skills. Ability to work effectively with technical and non-technical stakeholders and with minimal supervision. Ability to manage multiple projects and tight deadlines. Azure certifications are a plus.