Senior Full Stack .NET & GIS Developer

About the role

We are seeking a Senior Full Stack .NET & GIS Developer to support our NYS client. This role will design, develop, and enhance enterprise full stack applications using Microsoft .NET, Azure, SQL Server, and ESRI ArcGIS technologies.

Responsibilities

• Develop full stack applications using C#, VB.NET, ASP.NET, .NET Core, .NET 9.0, Entity Framework, MVC, HTML, CSS, JavaScript, and modern front-end frameworks.
• Design, develop, and enhance ESRI ArcGIS Pro applications, custom extensions, editing tools, scripts, and workflows for linear and point spatial features.
• Build and integrate RESTful APIs, application interfaces, and integration flows using Visual Studio and enterprise development platforms.
• Develop scalable cloud-based solutions using Azure App Service, Azure SQL Database, Azure Functions, and related Azure services.
• Design, optimize, and maintain Microsoft SQL Server, Oracle/Oracle Spatial, PostgreSQL/PostGIS, spatial databases, and file geodatabases.
• Automate GIS workflows using Python, ArcPy, Arcade, Model Builder, and related geoprocessing tools.
• Manage, process, convert, validate, and analyze geospatial data while ensuring dataset integrity, accuracy, quality, and performance.
• Integrate GIS applications and data with enterprise platforms and third-party systems to improve workflows and data accessibility.
• Collaborate with stakeholders and interface designers to gather requirements and align user-facing components with server-side logic.
• Create and maintain technical documentation, system designs, workflows, user guides, and knowledge transition materials.
• Communicate project status, technical recommendations, risks, and delivery expectations to technical and non-technical stakeholders.

Qualifications

• 8+ years of professional experience in full stack .NET application development.
• 8+ years of hands-on experience with C#, VB.NET, ASP.NET, .NET Core, .NET 9.0, Entity Framework, MVC, Microsoft SQL Server, and Azure.
• 4+ years of experience designing and developing ArcGIS Pro and/or ArcMap-based GIS solutions.
• Hands-on experience with ArcGIS Maps SDK for .NET, Python, ArcPy, Arcade, and Model Builder for ArcGIS Pro editing tools and extensions.
• Demonstrated proficiency with ArcGIS Pro, ArcGIS Enterprise, ArcGIS Server, Portal for ArcGIS, ArcGIS Data Store, ArcSDE, ArcGIS Desktop, ArcGIS Online, and ArcMap.
• Experience developing and integrating RESTful APIs and enterprise system interfaces.
• Experience with HTML, CSS, JavaScript, and a modern front-end framework such as React or Angular.
• Experience working with geospatial data types in Microsoft SQL Server, Oracle/Oracle Spatial, and PostgreSQL/PostGIS.
• Strong knowledge of software architecture principles, design patterns, secure coding standards, and development best practices.
• Experience with Git, GitHub, version control, and release management practices.
• Ability to collaborate effectively with technical and non-technical stakeholders and communicate clearly in writing and verbally.
• Strong problem-solving, organizational, and project management skills, including the ability to manage multiple priorities under tight deadlines.
• Ability to work independently, demonstrate initiative, identify end-user needs, and propose practical technical solutions.

Mandatory Qualifications

• 8+ years of professional experience in full stack .NET application development.
• 8+ years of hands-on experience with C#, VB.NET, ASP.NET, .NET Core, .NET 9.0, Entity Framework, MVC, Microsoft SQL Server, and Azure.
• 4+ years of experience designing and developing ArcGIS Pro and/or ArcMap-based GIS solutions.
• Hands-on experience with ArcGIS Maps SDK for .NET, Python, ArcPy, Arcade, and Model Builder for ArcGIS Pro editing tools and extensions.
• Demonstrated proficiency with ArcGIS Pro, ArcGIS Enterprise, ArcGIS Server, Portal for ArcGIS, ArcGIS Data Store, ArcSDE, ArcGIS Desktop, ArcGIS Online, and ArcMap.
• Experience developing and integrating RESTful APIs and enterprise system interfaces.
• Experience with HTML, CSS, JavaScript, and a modern front-end framework such as React or Angular.
• Experience working with geospatial data types in Microsoft SQL Server, Oracle/Oracle Spatial, and PostgreSQL/PostGIS.
• Strong knowledge of software architecture principles, design patterns, secure coding standards, and development best practices.
• Experience with Git, GitHub, version control, and release management practices.
• Ability to collaborate effectively with technical and non-technical stakeholders and communicate clearly in writing and verbally.
• Strong problem-solving, organizational, and project management skills, including the ability to manage multiple priorities under tight deadlines.
• Ability to work independently, demonstrate initiative, identify end-user needs, and propose practical technical solutions.

Desirable Qualifications

• Experience with DevOps practices and continuous integration/continuous delivery tools.
• Experience with Azure DevOps, GitHub extensions, or related application lifecycle management tools.
• Knowledge of emerging GIS technologies and modern geospatial application development trends.
• Microsoft Azure certification.
• Bachelor’s degree in Computer Science, Software Engineering, Information Systems, Geographic Information Systems, or a related field.