System Developer

Base One Technologies; New York, Northern (NY, KY); Hybrid; USD 120,000 - 160,000; Full time

Job summary

Base One Technologies in New York, NY is seeking a seasoned .NET Developer with strong GIS expertise to design, develop, and integrate ArcGIS Pro-based solutions. The role emphasizes full-stack .NET work, database optimization, and Azure cloud services, collaborating with UI/UX designers to deliver seamless interfaces and robust workflows.

The candidate should have 4+ years of experience with ArcGIS Pro/ArcGIS Maps SDK, RESTful APIs, and data modeling in SQL Server and Azure.

Qualifications

• Minimum 4 years of full-stack .NET development experience.
• Hands-on experience with C#, VB.NET, ASP.NET, .NET Core and Entity Framework.
• Proficient with SQL Server and Azure services.
• Experience with ArcGIS Pro and ArcGIS GIS solution design.
• RESTful API development experience.
• Strong collaboration and communication.

Responsibilities

• Identify, analyze, and develop interfaces and integration flows using Visual Studio Application platform.
• Develop and optimize database structures and queries using Microsoft SQL Server to ensure efficient data storage and retrieval.
• Utilize Azure services to build scalable and reliable cloud-based applications, leveraging services such as Azure App Service, Azure SQL Database, and Azure Functions.
• Integrate GIS applications and data with enterprise systems, improving operational workflows and data accessibility.
• Design, develop, and enhance ESRI ArcGIS Pro-based applications and custom extensions for spatial data editing of linear, point, and polygon features.
• Implement custom tools, scripts, and workflows in ArcGIS Pro to optimize GIS data editing.
• Manage, process, and analyze spatial data from diverse sources.
• Ensure the integrity and accuracy of GIS datasets, including performing data conversions, quality assurance, and updates.
• Develop integration solutions for GIS systems with enterprise platforms or third-party tools.
• Automate repetitive GIS workflows using Python (ArcPy), Arcade, ModelBuilder, or similar tools.
• Collaborate with interface designers to integrate user-facing elements with server-side logic, ensuring seamless user experiences.
• Participate in code reviews to maintain code quality, identify potential issues, and suggest improvements.
• Troubleshoot and debug complex application issues, providing timely resolutions to maintain system stability.
• Communicate effectively with team members, stakeholders, and project managers to gather requirements, provide updates, and manage expectations.
• Create and maintain technical documentation, including system designs, workflows, and user guides.
• Ensure solutions comply with industry best practices, standards, and security protocols.
• Prepare documentation and conduct knowledge transition to support adoption across the organization and other city agencies.
• Stay current with industry trends and emerging technologies to propose innovative solutions and improve development processes.

Skills

C#

VB.Net

ASP.NET

.NET Core

Entity Framework

MVC

SQL Server

Azure

ArcGIS Pro

ArcGIS Maps SDK

Python

ArcPy

Education

Bachelor’s degree in Computer Science / Software Engineering / GIS

Master’s degree is a plus

Tools

ArcGIS Pro

ArcGIS Online

ArcGIS Server/Portal

Model Builder

Git/GitHub

Azure DevOps

PostGIS

Job description

• Identify, analyze, and develop interfaces and integration flows using Visual Studio Application platform.
• Develop and optimize database structures and queries using Microsoft SQL Server to ensure efficient data storage and retrieval.
• Utilize Azure services to build scalable and reliable cloud-based applications, leveraging services such as Azure App Service, Azure SQL Database, and Azure Functions.
• Integrate GIS applications and data with enterprise systems, improving operational workflows and data accessibility.
• Design, develop, and enhance ESRI ArcGIS Pro-based applications and custom extensions for spatial data editing of linear, point, and polygon features.
• Implement custom tools, scripts, and workflows in ArcGIS Pro to optimize GIS data editing.
• Manage, process, and analyze spatial data from diverse sources.
• Ensure the integrity and accuracy of GIS datasets, including performing data conversions, quality assurance, and updates.
• Develop integration solutions for GIS systems with enterprise platforms or third-party tools.
• Automate repetitive GIS workflows using Python (ArcPy), Arcade, ModelBuilder, or similar tools.
• Collaborate with interface designers to integrate user-facing elements with server-side logic, ensuring seamless user experiences.
• Participate in code reviews to maintain code quality, identify potential issues, and suggest improvements.
• Troubleshoot and debug complex application issues, providing timely resolutions to maintain system stability.
• Communicate effectively with team members, stakeholders, and project managers to gather requirements, provide updates, and manage expectations.
• Create and maintain technical documentation, including system designs, workflows, and user guides.
• Ensure solutions comply with industry best practices, standards, and security protocols.
• Prepare documentation and conduct knowledge transition to support adoption across the organization and other city agencies.
• Stay current with industry trends and emerging technologies to propose innovative solutions and improve development processes.

Required Qualifications:

Note: candidates who do not have the required skills will not be considered. The selected candidate must have a minimum of 4 years’ experience as described in “Attachment 2 – City Labor Category Description” for Programmer 2 ( I attached that to the email).

• Bachelor’s degree in computer science, Software Engineering, Information Systems, Geographic Information Systems (GIS), or a related field. Master's degree is a plus.
• Proven experience (4+ years) as a full stack .NET Developer with hands-on expertise in C#, VB.Net, ASP.NET, .NET Core, .NET 9.0, Entity Framework, MVC, SQL Server, and Azure.
• Minimum of 2 years of experience in ArcGIS Pro and/ArcMap-based GIS solution design and development.
• Experience with RESTful API development and integration.
• Hands-on development experience with ArcGIS Maps SDK for .NET, Python, ArcPy, Arcade, and Model Builder to create/extend editing tools in ArcGIS Pro.
• Demonstrated proficiency with ESRI product suite, including ArcGIS Pro, ArcGIS Enterprise (Server, Portal, SDE DataStore), ArcGIS Desktop, ArcGIS Online, and ArcMap.
• Demonstrated experience working with geospatial data types in Microsoft SQL Server, Oracle/Oracle Spatial, and PostgreSQL/PostGIS databases.
• Experience with MS-SQL Server, PostgreSQL, Oracle, and/or other geospatial databases.
• Ability to collaborate effectively within a team environment.
• Proven ability to lead cross-functional teams and deliver projects on time and within scope.
• Strong knowledge of software architecture principles, design patterns, and best practices.
• Familiarity with DevOps practices and tools for continuous integration and delivery.
• Familiarity with application lifecycle management (ALM) tools such as Azure DevOps and GitHub extensions.
• Experience with version control using Git and GitHub and release management practices.
• Excellent problem-solving skills and ability to work effectively in a collaborative team environment.
• Strong communication skills, both written and verbal.
• Microsoft Azure certifications are a plus.
• Demonstrated experience working with technical and non-technical staff.