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Secure Full-Stack Dev (TS/SCI) – On-Site
Job in
Springfield, Fairfax County, Virginia, 22161, USA
Listed on 2026-08-04
Listing for:
Sphinx LLC
Full Time
position Listed on 2026-08-04
Job specializations:
-
Software Development
Full Stack Developer
Job Description & How to Apply Below
Sphinx is seeking a Full-Stack Software Developer (Contingent) to design, develop, and maintain mission-critical applications for a federal counterintelligence customer in a classified environment. This hands-on role spans front-end interfaces, back-end services, and data layers, requiring secure, scalable tools and zero-trust considerations. Starting TBD, contingent on contract award.
Requires TS/SCI with CI Poly, U.S. citizenship, and DoD 8140 compliance; on-site in Springfield, VA.
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