Senior Full Stack .NET Developer; ArcGIS/GIS - Onsite
Listed on 2026-07-25
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Software Development
.NET Developer, SQL Developer, Backend Developer, Full Stack Developer
Location: New York
4+ years of experience with ArcGIS Pro and/or Arc Map-based GIS solution design and development is mandatory.
Prior NYC government experience is highly preferred.
Candidates must be within a commutable distance to New York City (10271)
This job is onsite in New York City (10271) & Interviews are onsite
18-month contract
We are seeking a Senior Full Stack .NET Developer with strong hands-on experience developing ESRI ArcGIS Pro solutions. This role combines enterprise .NET application development with advanced GIS development to support the design, customization, integration, and enhancement of ArcGIS Pro-based applications and geospatial data solutions. Candidates should have extensive experience with C#, ASP.NET, .NET Core/.NET 9, SQL Server, Azure, and the ESRI ArcGIS platform.
This is an onsite position in New York City.
- Design, develop, and maintain enterprise full stack applications using C#, ASP.NET, .NET Core/.NET 9, SQL Server, and Azure.
- Develop and enhance ESRI ArcGIS Pro applications, custom editing tools, extensions, and GIS workflows.
- Integrate GIS applications with enterprise systems and third-party platforms using REST APIs and related technologies.
- Design, optimize, and maintain geospatial databases and spatial data solutions across SQL Server, Oracle, and PostgreSQL.
- Automate GIS workflows using Python, Arc Py, Arcade, Model Builder, and related technologies.
- Collaborate with business stakeholders and technical teams to gather requirements, troubleshoot issues, and deliver scalable GIS solutions.
- Bachelor’s degree in Computer Science, GIS, Information Systems, Software Engineering, or a related field.
- 8+ years of full stack .NET development experience using C#, ASP.NET, .NET Core/.NET 9, Entity Framework, SQL Server, and Azure.
- 4+ years of hands-on ESRI ArcGIS Pro and/or Arc Map application development experience.
- Experience developing with ArcGIS Maps SDK for .NET.
- Strong experience with ArcGIS Enterprise, ArcGIS Online, Arc Map, and the ESRI product suite.
- Experience with Python, Arc Py, Arcade, and Model Builder for GIS automation.
- Experience developing REST APIs and integrating enterprise applications.
- Experience working with geospatial databases including SQL Server, Oracle Spatial, and PostgreSQL/PostGIS.
- Experience with Git, Azure Dev Ops, and modern software development best practices.
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