We are 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.
Required / Desired Skills
Professional .NET development experience Required 8 Years
Demonstrated experience taking ownership of existing applications and codebases Required
Deep expertise with C#, .NET, and Entity Framework Required
Strong experience designing and building RESTful APIs and using GraphQL Required
Advanced SQL Server expertise including stored procedures and indexing strategies Required
Proven experience using GitHub Enterprise. Required
Demonstrated experience leading development efforts and mentoring other developers Required
Strong written and verbal communication skills Required
Experience migrating or modernizing legacy MVC applications Highly desired
Experience with React, Vite, and NodeJS Highly desired
Experience stabilizing or improving applications in active production environments Highly desired
Experience working in public sector or highly visible environments Highly desired
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