1mo
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Senior Software Engineer — C# / WPF
Arlington, Virginia, United States
OnsiteFull Time
5+ YOEBachelor's in CS, 5+ years professional software development (3+ years .NET desktop), expert C#/.NET, deep WPF/XAML and multithreading, profiling/optimization, MVVM and SOLID, mentoring and Agile experience.
C#, .NET, WPF, XAML, TPL, async/await, FFmpeg, C/C++, P/Invoke, SignalR, WebSockets, REST APIs, MVVM
1mo
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Software Engineer in Test – C# / WPF
Arlington, Virginia, United States
OnsiteFull Time
2+ YOEBachelor's degree or equivalent, 2+ years SDET/QA experience, proficiency in C# and .NET Framework, WPF familiarity, experience with unit/integration test frameworks (MSTest, NUnit, xUnit), manual desktop UI testing, and CI/CD integration.
WPF, C#, .NET Framework, MSTest, NUnit, xUnit, FlaUI, GitLab CI, GitHub Actions, Azure DevOps, SQL
3w
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Software Developer, Senior
Quantico, Virginia, United States
$87k-$198k/yr OnsiteFull Time
2+ YOEExperience with C#, Microsoft .NET, MVVM, WPF/XAML, SQL, Microsoft Visual Studio, and PostgreSQL; Top Secret clearance required; Bachelor's in Software Engineering and 2+ years (or 6+ years) developer experience.
C#, Microsoft .NET, MVVM, WPF, XAML, SQL, Microsoft Visual Studio, PostgreSQL
4d
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Senior Software Engineer – Front-End Training System Software (Onsite)
Sterling, Virginia, United States
$96k-$182k/yr OnsiteFull Time
5+ YOEActive transferable US government Secret clearance, US citizenship, STEM degree with 5+ years experience (or advanced degree with 3+), strong C# and WPF front-end experience, agile practices, multi-threaded debugging.
C#, WPF, Visual Studio, Python, Perl, SVN, GIT, ClearCase, JIRA, Confluence, Crucible, Bamboo, DevSecOps, Electronic Medical Records (EMR)
3w
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Software Developer, Senior
Quantico, Virginia, United States
$87k-$198k/yr HybridFull Time
2+ YOETop Secret clearance required; Bachelor's in software engineering plus 2+ years experience (or 6+ years experience). Experience with C#, .NET, MVVM, WPF, XAML, SQL, Visual Studio, and PostgreSQL. Strong verbal/written communication.
C#, .NET, MVVM, WPF, XAML, SQL, Visual Studio, PostgreSQL
1mo
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Systems Engineer
Herndon, Virginia, United States
OnsiteFull Time
6+ YOE6+ years in software development; BS in CS or related field; .NET, WPF/XAML, C++, ASP.NET MVC, Python, PowerShell; Windows apps; IIS; AWS/Azure; GitHub/Jira/Jenkins/Confluence; STS/DataHound; PowerBI; SDLC.
NET, CSharp, WPF, CPlusPlus, ASP.NET Web API, HTML/CSS, Python, PowerShell, IIS, AWS, Azure, GitHub, Jira, Jenkins, Confluence, STS, DataHound, PowerBI
1mo
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PQL/SQL, C# Software Developer
Fort Belvoir, Virginia, United States
$123k-$167k/yr HybridFull Time
6+ YOEMust be a U.S. citizen with an active or obtainable Secret clearance, 6+ years related experience, BS +5 years (or equivalent), proficiency in Oracle/PL/SQL, C#, Git, Azure DevOps, WPF/PRISM; DOD 8570 IAT II (CompTIA Security+) required.
PQL/SQL, C#, Oracle, PL/SQL, SQL, WPF, PRISM, Azure DevOps, Git Flow, Git, Fortify, SonarLint, DIAMONDS
1mo
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PQL/SQL, C# Software Developer
Fort Belvoir, Virginia, United States
$123k-$167k/yr HybridFull Time
6+ YOERequires US citizenship, active Secret clearance, DOD 8570 IAT Level II (e.g., CompTIA Security+), 6+ years related experience, BS degree (or experience in lieu), and proficiency with Oracle/SQL, PL/SQL, C#, WPF/PRISM, Azure DevOps, and Git.
Oracle, PL/SQL, SQL, C#, WPF, PRISM, Azure DevOps, Git, Git Flow, Fortify, SonarLint, DIAMONDS
3mo
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Software Developer, Expert
Herndon or Virginia or United States
$150k-$254k/yr OnsiteFull Time
11+ YOEU.S. person required and ability to obtain Top Secret/SCI with polygraph. Minimum 11 years software development experience, Bachelor\u0002s in CS/Info Security or equivalent, proficiency with .NET (C#, WPF/XAML, C++), ASP.NET MVC Web API, Python, PowerShell, AWS/Azure, and CI/CD tools.
.NET, C#, WPF/XAML, C++, ASP.NET MVC Web API, HTML/CSS, Python, PowerShell, IIS, AWS, Azure, GitHub, Jira, Jenkins, Confluence, Secure Token Service (STS), DataHound, Microsoft Power BI
2mo
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Software Developer, Senior
Herndon, Virginia, United States
$133k-$226k/yr OnsiteFull Time
6+ YOEU.S. person required and must be able to obtain Top Secret/SCI with polygraph. Minimum 6 years software development experience; Bachelor's in CS/Information Security or equivalent. Proficiency with .NET (C#, WPF/XAML, C++), ASP.NET MVC Web API, HTML/CSS, Python, PowerShell, IIS, AWS/Azure, GitHub, Jira, Jenkins, Confluence, and Microsoft PowerBI.
.NET, C#, WPF/XAML, C++, ASP.NET MVC Web API, HTML/CSS, Python, PowerShell, IIS, AWS, Azure, GitHub, Jira, Jenkins, Confluence, Secure Token Service (STS), DataHound, Microsoft PowerBI
2mo
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Senior Software Developer
Herndon, Virginia, United States
OnsiteFull Time
6+ YOETop Secret/SCI with Poly, 6+ years in software development, BS in CS/Info Security or related field, proficient in .NET/C#/WPF/XAML/C++, ASP.NET Web API, HTML/CSS, Python, PowerShell; Windows apps/services/web services on IIS; AWS/Azure; GitHub/Jira/Jenkins/Confluence; STS/DataHound; PowerBI; Windows admin/troubleshooting; SDLC and IIS deployments.
.NET, C#, WPF/XAML, C++, ASP.NET Web API, HTML/CSS, Python, PowerShell, IIS, AWS, Azure, GitHub, Jira, Jenkins, Confluence, Secure Token Service, DataHound, PowerBI
2mo
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C++ Application Developer
Fairfax, Virginia, United States
OnsiteFull Time
5+ YOEActive TS/SCI clearance, Bachelor’s or higher in CS/CE/EE, 5+ years desktop app development, strong C++, Qt UI experience, Linux environment familiarity, Git proficiency.
Qt, GTK, WPF, Java/Swing, Linux, Git, AWS, Docker, Kubernetes, Grafana, Loki
3mo
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Software Developer
Dahlgren, Virginia, United States
HybridFull Time
5+ YOEFive years of professional software development experience; Agile experience; DoD exposure a bonus; security clearance required; BS in CS/Engineering or related field; CISSP/Security+ preferred.
C/C++, C#, .NET, Java, Python, Amazon Web Services, PHP, Data Science (coding), WPF, MVC
1w
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Software Engineer
King George or Dahlgren
OnsiteFull Time
2+ YOEU.S. citizen able to obtain Secret clearance; Bachelor's in engineering, computer science, math, or physics; 2 years software engineering experience; proficiency in C++, C#, Java, or Python; GUI/tooling experience; agile development experience.
C++, C#, Java, Python, Adobe XD, Figma, Sketch, Framer, Windows Presentation Foundation (WPF), Team Foundation Server (TFS), Git, Bitbucket, ATAK, WinTAK, VTAK
3mo
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Ground Station Software Engineer (Staff to Senior Staff)
Chantilly or United States
$148k-$215k/yr RemoteFull Time
10+ YOEBachelor's in CS/Software Eng; 10–15 yrs software engineering; leadership; avionics/GCS experience; aerospace domain; proficiency in modern UI and web/real-time systems.
TypeScript, C++, Python, C#, React, Node.js, Electron, Docker, Kubernetes, MAVLink, STANAG 4586, WebSocket, REST, Mapbox, MapLibre GL, Qt, WPF
4d
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Software Engineer (.NET)
Sterling, Virginia, United States
$115k-$150k/yr OnsiteFull Time
4+ YOEBachelor's in CS or related,4+ years software development experience,proficiency in C#,C++ or Java,.NET/ASP.NET Core,ASP.NET MVC,Angular,SQL Server,EMR with strong communication and analytical skills,Public Trust eligibility.
C#, C++, Java, .NET Framework, ASP.NET Core, ASP.NET MVC, Angular, Bootstrap, Microsoft SQL Server, SQL Server Management Studio (SSMS), HTML, CSS, JavaScript, TypeScript, Docker, Kubernetes, AWS, Azure, Google Cloud, Azure Data Lake Services, Data Factory, Synapse analytics, SQL Managed Instance, Google Workspace, Gemini, Windows Presentation Foundation (WPF), JSON, XML, XSLT, Azure DevOps, GitHub
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