Senior Software Developer II – Mission-Critical .NET (Top Secret)

A leading technology services firm is seeking a Senior Software Developer II in Washington, DC. This full-time position involves delivering secure and reliable software for mission-critical federal systems, focusing on building enterprise applications with C#, ASP.NET, and modern front-end frameworks. Candidates must have an active Top Secret clearance and 7+ years of experience in software development. A competitive salary of $170,000 - $220,000 annually is offered, along with comprehensive benefits.