Senior Application Developer

Tri-Force Consulting Services, Inc.; New York (NY); Hybrid; USD 96,000 - 165,000; Full time

Job summary

Tri-Force Consulting Services, Inc. in New York is seeking a Senior Application Developer for an 18-month, on-site role (first 3 months on-site, then hybrid).

You will design interfaces, optimize SQL databases, and leverage Azure services to build scalable cloud apps with GIS integration. The ideal candidate brings 8+ years of full‑stack .NET experience, REST API expertise, and strong collaboration skills to deliver projects on time while aligning with security standards and industry best

Qualifications

• Minimum 4 years' experience as Programmer 2 per City Labor Category.
• Bachelor's in CS/Software Engineering or GIS; Master’s a plus.
• 8+ years full stack .NET with C#, ASP.NET, .NET Core/9.0, MVC, EF, SQL Server, Azure.
• RESTful API development and integration experience.
• Geospatial data types in MS SQL Server, Oracle Spatial, PostgreSQL/PostGIS.
• Experience with MS SQL Server, PostgreSQL, Oracle and geospatial databases.
• Web-based geospatial visualization and map library familiarity.
• Strong collaboration, leadership, and on-time delivery ability.
• Azure certifications are a plus; familiarity with Azure DevOps and ALM tools.
• Experience with Git/GitHub and release management; solid communication.

Responsibilities

• Identify, analyze, and develop interfaces and integration flows using Visual Studio Application platform.
• Develop and optimize databases with SQL Server for efficient storage and retrieval.
• Utilize Azure services to build scalable cloud-based applications (App Service, SQL DB, Functions).
• Collaborate with interface designers to connect UI with server logic.
• Integrate GIS data with enterprise systems to improve workflows.
• Manage, process, and analyze spatial data from diverse sources.
• Participate in code reviews to maintain quality and suggest improvements.
• Troubleshoot and debug complex issues to maintain stability.
• Create and maintain technical documentation and user guides.
• Ensure solutions comply with industry best practices and security protocols.
• Stay current with trends to propose innovations and improve processes.
• Communicate with team, stakeholders, and PMs to gather requirements and manage expectations.
• Prepare documentation and conduct knowledge transfer for adoption across city agencies.

Skills

Full stack .NET development

RESTful API development

Geospatial data handling

Team leadership

Communication skills

Education

Bachelor's degree in CS/Software Engineering/GIS

Master's degree is a plus

Tools

Azure DevOps

GitHub

Git

Visual Studio

Azure

SQL Server

PostgreSQL

Oracle Spatial

PostGIS

Job description

Contract | Tri-Force Consulting Services, Inc. | United States

Posted On 10/21/2026

Job Information

IT Services

Work Experience 5+ years

NA

City New York

State/Province New York

10271

Job Description

Job Title:Senior Application Developer

Location:New York

Duration :18 months

Notes- This is a On-siteRole. ( Onsite for first 3 months, then Hybrid.)

Job Description

• Identify, analyze, and develop interfaces and integration flows using Visual Studio Application platform.
• Develop and optimize database structures and queries using 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.
• Collaborate with interface designers to integrate user-facing elements with server-side logic, ensuring seamless user experiences.
• Integrate GIS applications and data with enterprise systems, improving operational workflows and data accessibility.
• Manage, process, and analyze spatial data from diverse sources.
• 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.
• Create and maintain technical documentation, including system designs, workflows, and user guides.
• Ensure solutions comply with industry best practices, standards, and security protocols.
• Stay current with industry trends and emerging technologies to propose innovative solutions and improve development processes.
• Communicate effectively with team members, stakeholders, and project managers to gather requirements, provide updates, and manage expectations.
• Prepare documentation and conduct knowledge transition to support adoption across the organization and other city agencies.

Skills assigned staff: Required

• The selected candidate must have a minimum of 4 years' experience as described in "Attachment 2 - City Labor Category Description" for Programmer 2.
• 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 (8+ years) as a full stack .NET Developer with hands-on expertise in C#, ASP.NET, .NET Core, .NET 9.0, MVC, Entity Framework, SQL Server, and Azure.
• Experience with RESTful API development and integration.
• 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.
• Familiarity with web-based geospatial visualization and map library integrations.
• 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.