Senior .NET Core/Blazor Developer — Secure Govt Web Apps (On‑Site)

BDR Solutions, LLC; Falls Church (VA); On-site; USD 85,000 - 110,000; Full time

Job summary

BDR Solutions, LLC is seeking a senior software engineer to support a portfolio of intranet and restricted web applications. You will develop secure applications using C#, .NET Core, Blazor, Razor Pages, and modern front-end frameworks, with REST API integration and SQL Server management.

Position is on-site in San Antonio, Falls Church, or Tacoma, WA. Must be a U.S. citizen and able to obtain a government security clearance; veterans are encouraged to apply.

Qualifications

• Strong experience with C# and .NET 8+/ASP.NET Core.
• Proficient in modern front-end with JavaScript/TypeScript.
• Experience with SQL Server and relational DBs.
• Secure coding practices and application security focus.
• Ability to thrive in SAFe Agile and CI/CD environments.
• U.S. Citizenship and ability to obtain a government clearance.

Responsibilities

• Develop and maintain secure, restricted web applications.
• Implement C#, .NET Core, Razor Pages, Blazor components.
• Build front-end components using JavaScript/TypeScript.
• Integrate REST APIs and backend data services.
• Use Entity Framework Core for data access and manage SQL Server databases.
• Work with IIS/Windows Server environments and troubleshoot full-stack issues.
• Remediate SAST/DAST findings and support authentication (OIDC/OAuth).
• Write tests and support CI/CD workflows; participate in code reviews.

Skills

C# / .NET

React / TypeScript

Code reviews

SAFe Agile

CI/CD

Security by design

Git workflows

Communication skills

U.S. Citizenship

Education

BS/BA in CS or related

12 years experience w/ HS diploma

Tools

SQL Server

IIS / Windows Server

Entity Framework Core

REST APIs

OIDC/OAuth

SAST/DAST tooling

Git

Job description

BDR Solutions, LLC is seeking a senior software engineer to support a portfolio of intranet and restricted web applications. You will develop secure applications using C#, .NET Core, Blazor, Razor Pages, and modern front-end frameworks, with REST API integration and SQL Server management.

Position is on-site in San Antonio, Falls Church, or Tacoma, WA. Must be a U.S. citizen and able to obtain a government security clearance; veterans are encouraged to apply.