NEW JOB OPENING
SENIOR .NET APPLICATION ARCHITECT
IN Columbus, OH, USA!

 

Date Posted: 04/22/2026
Hiring Organization: Rose International
Position Number: 500170
Industry: Government/Staffing
Job Title: Senior .NET Application Architect
Job Location: Columbus, OH, USA, 43215
Work Model: Onsite
Shift: Regular
Employment Type: Temporary
FT/PT: Full-Time
Estimated Duration (In months): 2
Min Hourly Rate($): 75.00
Max Hourly Rate($): 85.00
Must Have Skills/Attributes: .Net, GitHub, GraphQL, MVC, NodeJs, SQL Server
Experience Desired: Previous State government experience is highly desired (2 yrs)

**C2C is not available**

 

Job Description
Required Qualifications / Skills / Experience:

• Strong professional experience in .NET development

• Deep expertise in C#, .NET, and Entity Framework

• Proven experience designing and building RESTful APIs and working with GraphQL

• Advanced SQL Server experience (stored procedures, indexing, performance tuning)

• Experience taking ownership of existing applications and codebases

• Experience leading development efforts and mentoring developers

• Proficiency with GitHub Enterprise

• Strong written and verbal communication skills

• Ability to translate business requirements into technical solutions



Preferred Qualifications / Skills / Experience:

• Experience modernizing or migrating legacy MVC applications

• Experience with React, Vite, and Node.js

• Experience working in production environments with active systems

• Experience in public sector or high-visibility environments

• Experience supporting financial, tax, or property-related systems



Senior .NET Application Architect & Lead Developer Overview:

The organization is seeking a Senior .NET Application Architect and Lead Developer to provide technical leadership for application modernization and migration initiatives. This role involves assessing existing applications, defining architecture strategies, and delivering hands-on development in a fast-paced, high-visibility environment. The ideal candidate will combine strong architectural expertise with the ability to actively contribute to coding and solution delivery. Working closely with leadership and cross-functional teams, this individual will drive best practices in development, optimize system performance, and ensure scalable, maintainable application design. This is a highly impactful role requiring both strategic thinking and execution-focused delivery.



Job Duties:

• Review and assess existing MVC-based applications for modernization opportunities

• Define and recommend architecture patterns and technical standards

• Break down technical work into milestones, deliverables, and tasks

• Provide development estimates and support project planning

• Lead hands-on development of .NET applications and APIs (REST and GraphQL)

• Design, develop, and optimize SQL Server databases, queries, and stored procedures

• Implement best practices using Entity Framework and data access patterns

• Develop and enhance front-end applications using React technologies

• Collaborate with business analysts to translate requirements into technical solutions

• Work with project managers and development teams to define scope and timelines

• Mentor developers through code reviews and technical guidance

• Support development workflows using GitHub Enterprise

• Communicate progress, risks, and recommendations to leadership

• Perform additional duties as needed
  • **Only those lawfully authorized to work in the designated country associated with the position will be considered.**

  • **Please note that all Position start dates and duration are estimates and may be reduced or lengthened based upon a client’s business needs and requirements.**


 

Benefits:
For information and details on employment benefits offered with this position, please visit here. Should you have any questions/concerns, please contact our HR Department via our secure website.

California Pay Equity:
For information and details on pay equity laws in California, please visit the State of California Department of Industrial Relations' website here.

Rose International is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, sexual orientation, gender (expression or identity), national origin, arrest and conviction records, disability, veteran status or any other characteristic protected by law. Positions located in San Francisco and Los Angeles, California will be administered in accordance with their respective Fair Chance Ordinances.

If you need assistance in completing this application, or during any phase of the application, interview, hiring, or employment process, whether due to a disability or otherwise, please contact our HR Department.

Rose International has an official agreement (ID #132522), effective June 30, 2008, with the U.S. Department of Homeland Security, U.S. Citizenship and Immigration Services, Employment Verification Program (E-Verify). (Posting required by OCGA 13/10-91.).

 

Apply Now

 

About Rose

  • Founded in 1993
  • Office Locations Across the U.S.
  • 150+ Clients: Corporations and Government Agencies
  • Employee Oriented Company
  • Challenging Assignments Across the U.S.
  • Continuous Professional Development

Rose International has been great to me. I thank everyone there for all of their hard work; it has not gone unnoticed.

Melody, Consultant

My on-boarding with Rose was outstanding. The packets of information, the process, and great attention to detail each person gave me allowed me to get started quickly.I appreciated each person's friendly and helpful attitude.

Diana, Consultant

It is a great pleasure being a part of the Rose International Team.

Toni, Consultant

You are customer service oriented. No matter whether it was the Recruiter or someone in Human Resources/Payroll, you were responsive. That to me is key!

Tonya, Consultant

It was great working for Rose International. Everyone was extremely helpful.

Rosann, Consultant

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