Senior.NET Application Architect and Lead Developer (Onsite)

We are looking for a .NET Architect & Developer to support Franklin County.

The Franklin County Auditor’s Office is seeking a Senior .NET Application Architect and Lead Developer to provide technical leadership for application migration and modernization efforts following a recent tax accounting system implementation. This role reports directly to the IT Director and is responsible for assessing existing MVC based applications, defining architecture recommendations, and leading hands-on development work.

This is a delivery-focused role requiring both architectural judgment and direct coding responsibility in a fast-paced, high-visibility environment.

Essential Duties and Responsibilities :

• Review existing MVC based applications and identify required migration or modernization work.
• Define and recommend application architecture patterns and technical standards appropriate to the current environment.
• Break technical work into milestones, deliverables, and development tasks.
• Provide development estimates and support project planning activities.
• Lead hands-on development of .NET applications and REST APIs.
• Design, develop, and optimize SQL Server stored procedures, indexes, and queries.
• Ensure best practices with Entity Framework and data access patterns.
• Collaborate with business analysts to translate functional requirements into technical designs.
• Work closely with the IT Project Manager to define scope and sequencing.
• Mentor and support other developers through code reviews and troubleshooting.
• Support development workflows using GitHub Enterprise.
• Communicate progress, risks, and technical recommendations clearly to the IT Director and project leadership.
• Perform other related duties as assigned.

Additional Requirements :

Desired Experience :

On-site in Columbus, OH. Must live in Ohio.