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myIT.com

Sr Desktop App Developer (.NET) (TS/SCI)

myIT.com, Reston, Virginia, United States, 22090

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Job Title: Sr Desktop App Developer (TS/SCI) Location: Reston, VA (Onsite) Type: FTE Exp. Level:

Senior / Lead Position Overview

Our end-client is seeking a

Senior Desktop Application Developer

to join a high-impact team supporting mission-critical systems in a secure federal environment. This role is ideal for a seasoned developer with a strong background in Windows desktop applications and a passion for secure, high-performance software development.

Clearance Required:

Active Top Secret (TS) - TS/SCI Preferred Citizenship:

U.S. Citizenship Required due to federal contract conditions.

What You'll Do Design, develop, and maintain secure desktop applications using modern frameworks. Refactor and modernize legacy systems to meet current security and performance standards. Collaborate with cross-functional teams including cybersecurity,

DevOps , and systems engineering. Ensure compliance with

federal security standards

(e.g.,

STIGs ,

RMF ). Participate in

Agile

development cycles, including

sprint planning

and

code reviews . Required Skills & Experience

8+ years

of experience in desktop application development. Proficiency in:

C#, .NET Framework/.NET Core, WPF, WinForms C++ (including MFC), PowerShell, Python Windows API, COM/DCOM

Experience with:

Visual Studio, Git, Azure DevOps Secure coding practices (OWASP, NIST 800-53) DISA STIGs, RMF, and vulnerability remediation Windows Services, IPC, Active Directory, PKI Unit testing frameworks (MSTest, NUnit, xUnit) UI automation tools (e.g., WinAppDriver, TestComplete)

Preferred Qualifications

TS/SCI with CI Polygraph Bachelor's or Master's in Computer Science, Engineering, or related field Experience in DoD, IC, or other federal environments Familiarity with:

Cross-platform development

(

Qt ,

Electron ) Virtualization (

VMware ,

Hyper -

V ) and containerization (

Docker ) Windows internals and debugging tools (e.g.,

WinDbg )