Senior​/Lead .NET Application Architect - Onsite, OH

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.

• 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.
• Communicate progress, risks, and technical recommendations clearly to the IT Director and project leadership.
• Perform other related duties as assigned.