Senior Application Developer (.NET / Azure / GIS) 18 Months Contract - New York, NY

Senior Application Developer (.NET / Azure / GIS)
Location: New York, NY (Onsite Local Candidates Only)
Duration: 18 Months
Work Schedule: 35 hours/week (No overtime expected)

Overview

We are seeking an experienced Senior Application Developer to design, build, and maintain scalable full-stack applications using modern .NET technologies and cloud-based solutions. This role requires strong expertise in backend development, database design, Azure services, and integration of geospatial data systems.

Candidates must be local to the NYC area and available for in-person interviews.

Key Responsibilities

• Design and develop full-stack applications using C#, ASP.NET, .NET Core/.NET 9, MVC, and Entity Framework
• Build and maintain scalable applications using Microsoft Azure services (App Service, Azure SQL, Azure Functions)
• Develop and optimize SQL Server databases, including schema design and performance tuning
• Create and integrate RESTful APIs and enterprise system interfaces
• Collaborate with UI/UX teams to integrate front-end components with backend services
• Work with GIS data and integrate geospatial systems into enterprise applications
• Perform code reviews, troubleshoot issues, and ensure high-quality deliverables
• Maintain technical documentation including system architecture and workflows
• Ensure adherence to security standards, best practices, and development guidelines
• Participate in Agile development processes and team collaboration
• Support knowledge transfer and documentation for broader organizational use

Required Qualifications

• Bachelor s degree in Computer Science, Information Systems, GIS, or a related field (Master s preferred)
• 8+ years of experience as a full-stack .NET developer
• Strong expertise in C#, ASP.NET, .NET Core/.NET 9, MVC, and Entity Framework
• Experience with SQL Server and database development, including performance tuning
• Hands-on experience with Microsoft Azure services
• Solid front-end experience with HTML5, CSS, JavaScript, and frameworks such as React or Angular
• Experience building and consuming RESTful APIs
• Experience working with geospatial data and databases (SQL Server, Oracle Spatial, PostgreSQL/PostGIS)
• Familiarity with web-based GIS visualization and mapping libraries
• Experience with version control tools such as Git/GitHub
• Familiarity with DevOps practices and CI/CD pipelines
• Experience with Azure DevOps or similar ALM tools
• Strong understanding of software architecture, design patterns, and best practices
• Excellent problem-solving and communication skills

Preferred Qualifications

• Microsoft Azure certifications
• Experience leading development efforts or mentoring teams
• Experience working with cross-functional and non-technical stakeholders

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