Senior .NET Application Architect and Lead Developer - Onsite - Contract - Columbus, OH - B4084B

Our direct client is looking for a Senior .NET Application Architect and Lead Developer for an Onsite Contract in Columbus, OH.

J0B DESCRIPTION:
- 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.

SKILL MATRIX:
- Professional .NET development experience - Required
- 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 - Strong Plus to have
- Experience with React, Vite, and NodeJS - Strong Plus to have
- Experience stabilizing or improving applications in active production environments - Strong Plus to have
- Experience working in public sector or highly visible environments - Strong Plus to have
- Experience supporting financial, tax, or property related systems - Strong Plus to have

Question 1: Do you understand, and will abide by, the provision in your subcontract with OST that it is PROHIBITED for government equipment to be taken or used outside of the United States by your contractors? The consequences of this occurring can and will result in repercussions to you, the prime vendor, regardless if the candidate works for a sub-vendor of yours. It will also result in immediate termination of the contractor, and make them ineligible for rehire in the program.
Question 2: This is onsite position. Are you fine with this?

Location: Onsite, Columbus, OH
Type: Contract

Please send resume to "jobs at etechnovision dot com" with B4084B in Subject for immediate consideration.