.NET / C# Developer - Senior - #879
Allen Integrated Solutions · Fort Belvoir, Virginia, United States · On-site
Posted Aug 12, 2026
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.NET / C# Developer - Senior - #879
Location: Fort Belvoir, VA
TS/SCI w/CI Poly REQUIRED
Experience:
Eight years of experience in .NET Development (including MS.NET, C#, MVC 4+, and Internet Information Services (IIS) for Windows Server web development).
Five years of experience with Software Development Life Cycle Process (SDLC).
Five years of experience with software development Unit Testing, System Testing, Functional Testing, User Acceptance Testing, or other development testing experience.
Five years of experience in SQL database development stored procedures.
Five years of experience mentoring junior personnel on proper practices and procedures.
Five years of experience documenting software defects using a bug tracking system and reporting defects to software developers and project managers.
Certifications:
TS/SCI clearance with SBI and ability to attain SI, TK, G, HCS, and NATO Secret clearance; DoD 8140.03 IAT Level II / Intermediate certification.