Mid .NET Developer

About Blue Rose Consulting Group

Blue Rose Consulting Group is a mission-focused consulting firm dedicated to delivering innovative solutions that help federal organizations achieve their goals. We combine technical expertise, collaborative problem-solving, and a people-centered approach to support complex government missions.

About the role

People First. Mission Always.

Location: Colorado Springs/ Washington, D.C. Metro Area

Work Arrangement: Primarily based at a contractor site within 30 driving miles of Colorado Springs/ Washington, D.C., with onsite support at Department of State facilities as required

Blue Rose Consulting Group is seeking a Mid-Level .NET Developer (Programmer 2) to support a large-scale .NET application within a national security environment. This position will develop and enhance C#/ASP.NET solutions while supporting data analysis, reconciliation, consolidation, reporting, user interface development, mobile application development, and CI/CD activities.

Job Responsibilities

• Develop and maintain enterprise applications using C# and ASP.NET.
• Support both client-side and server-side application development.
• Perform data analysis, reconciliation, and consolidation.
• Integrate data from multiple sources and support deduplication activities.
• Analyze trends and patterns and develop queries and reports.
• Design and develop user interface components.
• Support mobile application development.
• Develop solutions using .NET Framework and .NET Core.
• Work with Entity Framework and SQL Server.
• Support Web API development.
• Use Visual Studio 2019+ and GitLab source control.
• Participate in CI/CD and Agile software delivery processes.
• Apply object-oriented analysis and design principles to application development.

Minimum Qualifications

• 4+ years of C#/ASP.NET software development experience on complex technical projects, including highly available national security systems.
• Intermediate understanding of C#/ASP.NET enterprise software architecture components and patterns.
• Intermediate understanding of ASP.NET Framework 4.0 or greater and .NET Core.
• Experience with both client-side and server-side development.
• Experience with Entity Framework.
• Experience with Visual Studio 2019+.
• Experience with object-oriented analysis and design.
• Experience with SQL Server.
• Experience with GitLab source control.
• Experience with data analysis and reconciliation.
• Experience with multi-source data integration and deduplication.
• Experience with query development and reporting.
• Experience with user interface design and development.
• Strong problem-solving skills and attention to detail.
• Active Final DoD Secret Security Clearance.

Preferred Qualifications

• Experience developing Web APIs.
• Located in Colorado or the DMV area.
• Experience supporting a large-scale federal IT program.
• Experience with the SAFe Agile delivery framework.

Why Join Blue Rose?

At Blue Rose, you’ll have the opportunity to apply your technical skills to meaningful federal missions while working alongside a collaborative team that values innovation, accountability, and professional growth. We put people at the center of what we do while staying focused on delivering results that matter.