Date Posted: 07/22/2026
Hiring Organization: Rose International
Position Number: 504560
Industry: Government/Staffing
Job Title: Senior .NET Core Developer
Job Location: Mechanicsville, VA, USA, 23116
Work Model: Hybrid
Work Model Details: This is hybrid role.
Shift: M-F 8am to 5pm
Employment Type: Temporary
FT/PT: Full-Time
Estimated Duration (In months): 11
Min Hourly Rate($): 60.00
Max Hourly Rate($): 70.00
Must Have Skills/Attributes: .Net, Agile, Azure, C#, REST
Experience Desired: Experience developing applications using .NET Core and C#. (7 yrs); Experience working in Agile/Scrum teams (7 yrs); Experience consuming and integrating with SQL Server on Azure VM environments. (7 yrs); Strong understanding of object-oriented programming, design patterns, and best practices (7 yrs); Experience with Azure DevOps or GitHub for CI/CD pipelines. (7 yrs); Experience building REST APIs and microservices (7 yrs); Experience with Terraform or other IaC tools. (5 yrs)
**C2C is not available**
Job Description
***Only qualified Senior .NET Core Developer candidates located near the Mechanicsville, VA area will be considered due to the role requiring an onsite presence ***
Required Skills:
• Experience developing applications using .NET Core and C# (7 Years)
• Experience building REST APIs and microservices (7 Years)
• Experience consuming and integrating with SQL Server on Azure VM environments (7 Years)
• Strong understanding of object-oriented programming, design patterns, and best practices (7 Years)
• Experience with Azure DevOps or GitHub for CI/CD pipelines (7 Years)
• Experience working in Agile/Scrum teams (7 Years)
• Strong debugging and troubleshooting skills
Preferred Skills:
• Experience with Terraform or other IaC tools (5 Years)
• Familiarity with domain-driven design and microservices (5 Years)
• Experience with distributed systems or high-availability environments (5 Years)
• Understanding of tolling or transportation systems (preferred but not required) (5 Years)
• Experience integrating backend systems with ETL pipelines such as SSIS or Databricks (3 Years)
About the role: The .NET Developer will support the modernization of an enterprise tolling transaction platform undergoing a partial rewrite using microservices and modularization. The developer will work within an Agile/Scrum team and contribute to the development of backend services and application components using .NET Core and C#. This role collaborates with solution architects, cloud engineers, SQL developers, API developers, and testers and reports to the Development Manager.
Responsibilities:
• Design, develop, and maintain .NET Core backend services and APIs.
• Collaborate with SQL developers to implement efficient data access patterns.
• Contribute to modernization of the tolling platform using microservices and modular architecture.
• Develop new application features and enhance existing functionalities.
• Participate in performance optimization efforts across application layers.
• Integrate with Azure-based components and cloud services.
• Support CI/CD processes using Azure DevOps or GitHub pipelines.
• Participate in Agile/Scrum ceremonies and deliver sprint commitments.
- **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.).
Your team at Rose International is always very helpful and responsive.
Barbara, Consultant
Any time I did have a question and called, the phone was always answered, and my question/concern was immediately resolved.
Sally, Consultant
Rose International maintained good communication during assignments and are very informative through email and phone calls.
Sade, Consultant
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
I believe the best thing that Rose HR has going for it is the incredible responsiveness. Everyone is very quick to reply to any concerns, and contacts the contracted employees very quickly and efficiently.
Kevin, Consultant
EMPLOYEE COMMENTS