Date Posted: 09/17/2026
Hiring Organization: Rose International
Position Number: 507696
Industry: Government
Job Title: .Net Developer
Job Location: Jefferson City, MO, USA, 65101
Work Model: Onsite
Shift: Day Shift 8-5pm
Employment Type: Temporary
FT/PT: Full-Time
Estimated Duration (In months): 7
Min Hourly Rate($): 48.00
Max Hourly Rate($): 58.00
Must Have Skills/Attributes: .Net, Azure, DevOps, JavaScript
Experience Desired: Experience with C#/.NET development, including front-end, data layers, and batch-processing. (10 yrs); Microsoft Visual Studio and a variety of .NET Frameworks. (10 yrs); SQL Server and relational databases. (10 yrs); Strong experience developing with SQL and PL/SQL. (8 yrs); Proficiency with JavaScript, jQuery, and Bootstrap. (8 yrs); Microsoft Azure. (8 yrs)
Required Minimum Education: Bachelor’s Degree
**C2C is not available**
Job Description
Required Education:
Bachelor's degree in computer science or related degree.
Required Qualifications
• 10+ years of experience with C#/.NET development, including front-end, data layers, and batch-processing applications.
• 10+ years of experience using Microsoft Visual Studio and a variety of .NET Frameworks.
• 10+ years of experience with SQL Server and relational databases.
• Strong experience developing with SQL and PL/SQL.
• Proficiency with JavaScript, jQuery, and Bootstrap.
• Proficiency with:
o HTML
o XML
o XAML
o CSS / Stylesheets
o JSON
• 5+ years of experience with Microsoft Azure.
• 5+ years of experience with Azure DevOps.
• Strong enterprise application development and troubleshooting experience.
• Ability and willingness to work on-site in Jefferson City, Missouri.
Preferred Qualifications
• Experience developing applications using Razor and/or Blazor.
• Experience in the financial services or financial processing sector.
• Experience with medical billing and healthcare financial systems.
• Experience working with 837/835 standards.
• Experience with claims processing and management.
• Experience with payment processing and management.
• Experience developing or supporting interfaces involving financial, healthcare, claims, or payment data.
Job Summary
• Our Client is seeking an experienced Senior .NET Developer to support application development, enhancements, maintenance, and related interfaces within a large enterprise application environment.
• The selected candidate will develop, enhance, maintain, and support enterprise applications across the front-end, data, business logic, and batch-processing layers. The role will also include developing smaller enhancements and applications that interface with the Client’s existing systems.
Key Responsibilities
• Develop, enhance, maintain, and support Our Client’s enterprise applications.
• Develop and maintain interfaces between the Client’s primary applications and related systems.
• Design, develop, test, debug, and implement application enhancements.
• Develop applications across front-end, data, business logic, and batch-processing layers.
• Develop and maintain SQL Server database components, queries, and stored procedures.
• Troubleshoot and resolve application, database, and interface issues.
• Work with existing enterprise applications and enhance functionality as needed.
• Participate in application testing, deployment, and production support.
• Utilize Microsoft Visual Studio, Azure, and Azure DevOps throughout the development lifecycle.
• Collaborate with technical and business teams to understand requirements and deliver application solutions.
Technical Environment
C# | .NET | Microsoft Visual Studio | SQL Server | SQL | PL/SQL | JavaScript | jQuery | Bootstrap | HTML | XML | XAML | CSS | JSON | Microsoft Azure | Azure DevOps | Razor | Blazor
Important Work Location Requirement
This is an on-site position in Jefferson City, Missouri. Candidates must be available to work on-site at Our Client’s Jefferson City office. Remote and hybrid candidates will not be considered. - **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.).
Each time I contacted Rose, I was completely satisfied with the great attention and customer service I received. Each person was extremely knowledgeable and patient with my concerns or questions.
Diana, Consultant
Rose is an assembly of people grounded in honesty, truth and dignity for all of its employees and contractors.
Samba, Consultant
It is a great pleasure being a part of the Rose International Team.
Toni, Consultant
Rose International was not only attentive and responsive, but they were very professional and helpful whenever I called or needed any assistance.
Diane, Consultant
The interactions that I have had with your representatives have always been prompt and very professional. I am very pleased and impressed with your company and services.
Sioe, Consultant
EMPLOYEE COMMENTS