Job Description Job Description Job Title: Senior Application Developer - .NET with GIS

Location: New York, NY 10271
Contract Duration: 18 Months NO BENEFITS
Minimum Experience: 8+ Years
Interview Process: In-Person Interview Only

Important Note: Candidates must be available for an in-person interview when the interview process begins to be considered.

Key Requirement: Minimum of 4 years of experience in ArcGIS Pro and/or ArcMap-based GIS solution design and development.

Job Summary

We are seeking an experienced Senior Application Developer specializing in .NET technologies and Geographic Information Systems (GIS). The ideal candidate will have strong full-stack development experience, expertise in Microsoft Azure and SQL Server, and hands-on experience designing, developing, and enhancing GIS applications using Esri technologies.

The candidate will be responsible for developing scalable applications, creating custom GIS tools, managing spatial data, integrating enterprise systems, and optimizing application performance. Strong problem-solving, communication, and collaboration skills are essential.

Key Responsibilities

Develop full-stack applications using Microsoft .NET technologies, including C#, VB.NET, ASP.NET, .NET Core, .NET 9.0, Entity Framework, JavaScript libraries, and ArcGIS Maps SDK for .NET.
Analyze, design, and develop application interfaces and integration workflows using Visual Studio and related development tools.
Design, develop, and optimize database structures and SQL queries using Microsoft SQL Server.
Utilize Microsoft Azure services, including Azure App Service, Azure SQL Database, and Azure Functions, to develop scalable and reliable cloud-based applications.
Integrate GIS applications and spatial data with enterprise systems to improve operational efficiency and data accessibility.
Design, develop, and enhance ArcGIS Pro-based applications and custom extensions for editing linear and point features.
Create custom tools, scripts, and workflows in ArcGIS Pro to improve GIS data editing and processing.
Manage, process, and analyze spatial data from multiple sources.
Maintain GIS dataset accuracy and integrity through data conversion, validation, quality assurance, and updates.
Optimize spatial databases and file geodatabases for performance and usability.
Develop integration solutions connecting GIS platforms with enterprise applications and third-party systems.
Automate GIS workflows using Python, ArcPy, Arcade, ModelBuilder, and related tools.
Collaborate with front-end developers and interface designers to integrate user-facing components with server-side logic.
Work with stakeholders to gather requirements and translate business needs into effective technical solutions.
Participate in code reviews to maintain code quality and identify opportunities for improvement.
Troubleshoot and resolve complex application issues to maintain system stability and performance.
Communicate project updates, technical challenges, and requirements to team members and stakeholders.
Create and maintain technical documentation, including system designs, workflows, and user guides.
Ensure applications comply with security standards, industry best practices, and established development guidelines.
Prepare technical documentation and conduct knowledge-transfer sessions to support application adoption and maintenance.
Evaluate emerging technologies and recommend improvements to application development processes and GIS solutions.

Required Qualifications, Skills, and Experience Education and Overall Experience

Bachelor's degree in Computer Science, Software Engineering, Information Systems, Geographic Information Systems (GIS), or a related field.
Master's degree is preferred.
Minimum of 8 years of professional experience in full-stack .NET development.
Minimum of 4 years of experience in ArcGIS Pro and/or ArcMap-based GIS solution design and development.

.NET Application Development

Strong hands-on experience with:
- C#
- VB.NET
- ASP.NET
- .NET Core
- .NET 9.0
- Entity Framework
- MVC
- Microsoft SQL Server
- Microsoft Azure
Solid understanding of front-end technologies, including HTML, CSS, and JavaScript.
Experience with front-end frameworks such as React or Angular.
Experience developing and integrating RESTful APIs.
Strong knowledge of software architecture principles, design patterns, and application development best practices.
Experience developing scalable, secure, and maintainable enterprise applications.

GIS and Esri Technologies

Minimum of 4 years of experience designing and developing GIS solutions using ArcGIS Pro and/or ArcMap.
Hands-on development experience with ArcGIS Maps SDK for .NET.
Experience developing and extending ArcGIS Pro editing tools and custom GIS applications.
Proficiency in Python, ArcPy, Arcade, and ModelBuilder for GIS automation and workflow development.
Demonstrated experience with Esri products, including:
- ArcGIS Pro
- ArcGIS Enterprise
- ArcGIS Server
- ArcGIS Portal
- ArcGIS Desktop
- ArcGIS Online
- ArcMap
- Enterprise geodatabases and related data storage technologies
Experience managing and editing spatial data, including linear and point features.
Knowledge of GIS data management, spatial analysis, data conversion, and quality assurance.
Experience integrating GIS applications with enterprise platforms and third-party systems.
Knowledge of emerging GIS technologies and application development practices.

Database and Cloud Technologies

Strong experience with Microsoft SQL Server, including database design, query development, and performance optimization.
Experience working with geospatial data in Microsoft SQL Server, Oracle Spatial, and PostgreSQL/PostGIS.
Familiarity with relational databases and enterprise geospatial database management.
Experience using Microsoft Azure services, including Azure App Service, Azure SQL Database, and Azure Functions.
Understanding of cloud application development, deployment, and integration.

DevOps and Development Tools

Familiarity with DevOps practices and continuous integration/continuous delivery (CI/CD).
Experience with version control using Git and GitHub.
Familiarity with application lifecycle management tools, including Azure DevOps and related development tools.
Understanding of software release management and deployment practices.
Experience participating in code reviews and maintaining software quality standards.

Professional Skills

Excellent analytical, troubleshooting, and problem-solving skills.
Strong written and verbal communication skills.
Ability to work effectively with technical and non-technical stakeholders.
Strong collaboration and teamwork skills.
Ability to understand end-user requirements and recommend appropriate technical solutions.
Ability to work independently with minimal supervision.
Strong organizational and project management skills.
Ability to manage multiple projects and priorities under tight deadlines.
Commitment to maintaining application security, performance, reliability, and code quality.

Preferred Qualifications

Microsoft Azure certifications.
Experience developing enterprise-scale GIS applications and integrations.
Knowledge of emerging technologies and modern software development practices.
Experience improving existing GIS workflows and application performance.

Compu-Vision - Northeast

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