2w
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.NET Application Support Engineer
Ashburn or Harrisburg or Pennsauken
OnsiteFull Time
3+ YOE3+ years supporting or developing .NET applications, strong C# debugging, PowerShell scripting, IIS management, T-SQL/MS SQL proficiency, and experience with monitoring and automation; bachelor’s degree or equivalent.
C#, .NET Core, .NET Framework, ASP.NET MVC, Web API, PowerShell, IIS, T-SQL, Microsoft SQL Server, Event Viewer, Serilog, Log4Net, Azure, Google, AWS, Docker, Azure DevOps, Jenkins, GitHub Actions, Jira
1mo
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Principal Software Engineer – Team Lead (.NET, Entity Framework, Angular)
United States or Dulles
$160k-$175k/yr RemoteFull Time
7+ YOE7+ years software engineering experience; strong full-stack skills in .NET, Entity Framework, and Angular; SQL and data modeling; experience leading technical delivery; cloud-native, containers, Kubernetes, AWS, and CI/CD experience; strong communication and technical judgment.
.NET, Entity Framework, Angular, SQL, Kubernetes, AWS, CI/CD
6d
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Full-Stack Developer
Leesburg, Virginia, United States
OnsiteFull Time
3+ YOEBachelor's degree in CS/IT, 3–5 years full-stack development experience, proficiency in C#, .NET, Microsoft SQL Server, HTML5/CSS3/JavaScript, Git; experience with Rock RMS, REST APIs and on-premise hosting preferred.
Rock RMS, C#, .NET, Microsoft SQL Server, HTML5, CSS3, JavaScript, Git, REST APIs, Proxmox, CEPH
3mo
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Software Engineer
Warrenton, Virginia, United States
OnsiteFull Time
2+ YOEU.S. citizen eligible for DoD Secret clearance; associate degree; 2+ years in .NET, Java, or C/C++ in production.
.NET, Java, C/C++, Azure DevOps, Blazor, Razor, Git, Visual Studio, DevOps, JavaScript, Aspire
2w
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Junior Full Stack Developer
Sterling, Virginia, United States
OnsiteFull Time
0+ YOE0–2 years software development experience; eligible for security clearance; basic knowledge of HTML5, CSS3, JavaScript (ES6+), a front-end framework (React/Angular/Vue.js), a back-end technology (.NET/Node.js/Java Spring Boot/Python), REST APIs, SQL/NoSQL, and Git.
HTML5, CSS3, JavaScript (ES6+), React, Angular, Vue.js, Node.js, .NET, Java, Java Spring Boot, Python, REST APIs, SQL Server, MySQL, PostgreSQL, Git
2w
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Robotic Process Automation Engineer
Ashburn, Virginia, United States
$87k-$198k/yr OnsiteFull Time
5+ YOE5+ years software development experience, UiPath or Power Automate expertise, scripting in .NET/C#/VB.NET/JavaScript/Python, SQL, experience with microservices and cloud platforms; Public Trust required.
UiPath, Orchestrator, Action Center, Document Understanding, Power Automate, AI Builder, .NET, C#, VB.NET, JavaScript, React, Python, SQL, AWS, Azure, Google Cloud Platform, Microsoft SharePoint, Microsoft Products, Microsoft Windows Server, Microsoft SQL Server
1mo
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IT Software Application Developer II (79635)
Sterling, Virginia, United States
OnsiteFull Time
10+ YOEBachelor's in CS or related (or equiv. experience); 10+ years full-stack web development with Java and .NET; experience with Spring Boot, ASP.NET MVC/Web API, Azure, Angular, HL7/FHIR, SQL databases, CI/CD, and healthcare compliance (HIPAA).
Java, .NET, ASP.NET MVC, Web API, Spring Boot, Azure, Angular, FHIR, HL7, EHR, SQL Server, PostgreSQL, SVN, Git, CI/CD, Jenkins, GitHub, Azure DevOps, Power BI, Pentaho, Microservices
2w
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Robotic Process Automation Engineer
Ashburn, Virginia, United States
$87k-$198k/yr HybridFull Time
5+ YOE5+ years software development experience, 3+ years with legacy enterprise systems, experience with UiPath or Power Automate, scripting (.NET/C#/VB.NET/JavaScript/React/Python), SQL, cloud platforms; Public Trust required.
UiPath, UiPath Studio, UiPath Orchestrator, UiPath Action Center, UiPath Document Understanding, Power Automate, AI Builder, .NET, C#, VB.NET, JavaScript, React, Python, SQL, AWS, Azure, Google Cloud Platform, Microsoft SharePoint, Microsoft Windows Server, Microsoft SQL Server
3mo
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Test Engineer
Chantilly, Virginia, United States
$100k-$115k/yr RemoteFull Time
4+ YOE4+ years in test engineering; bachelor's in computer science or related field; active DoD Secret clearance; experience with .NET, Java, Node/NestJS, MuleSoft; CI/CD, Docker, Kubernetes; Selenium/Cypress; Azure DevOps/GitHub Actions.
Selenium, Cypress, Postman, Newman, JUnit, NUnit, Jest, Azure DevOps, GitHub Actions, Docker, Kubernetes, .NET, Java, Node/NestJS, MuleSoft, OpenTelemetry, App Insights
3d
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Software Developer
Shepherdstown or California or Colorado or Illinois or Minnesota or New Jersey or New York or Oregon or Washington or United States
$85k-$117k/yr RemoteFull Time
8+ YOE8+ years back-end software development with Java and/or NodeJS, Angular front-end experience, AWS cloud skills, RESTful API design, EDI/healthcare data knowledge, Public Trust clearance eligibility, and U.S. citizenship.
Java, NodeJS, JavaScript, TypeScript, Angular, C#, .Net, AWS, API Gateway, Lambda, S3, CloudWatch, Git, GitHub, JUnit, Jest, Docker, ECS, EKS, JIRA, Microsoft Teams, Electronic Data Interchange X.12 (EDI), XML, JSON
1w
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Full Stack Developer - (BEAGLE)
Ashburn or United States
$75k-$120k/yr HybridFull Time
7+ YOEU.S. citizen with 7+ years software development experience; hands-on with Java or C# (.NET Core), Spring, Angular/React, PostgreSQL/Hibernate/Entity Framework, Git; BS in CS or equivalent; strong communication and mentoring skills.
Java, C#, .NET Core, Spring MVC, Spring Boot, Angular, React, PostgreSQL, Hibernate, Entity Framework, Git
3mo
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Full Stack Developer (C#)
Ashburn, Virginia, United States
$104k-$218k/yr HybridFull Time
7+ YOE7+ years backend development in C#/.NET; experience with relational and NoSQL databases; cloud and microservices; hybrid Ashburn, VA; US citizenship with ability to pass CBP background checks.
C#, NET, MongoDB, Kafka, PostgreSQL, Oracle, Docker, Visual Studio
1mo
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Full Stack Developer
Ashburn, Virginia, United States
OnsiteFull Time
5+ YOEBachelor's in CS or related field with five+ years experience; US citizen with CBP Public Trust clearance; Java/JEE and .NET stack; AWS and Agile; teamwork across stakeholders.
Java, JavaScript, Vue.js, C#, NET Core, Web API, Visual Studio Code, Gitlab, xUnit, SonarQube, PostgreSQL, AWS, HARNESS
1w
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Software Engineer
Ashburn, Virginia, United States
$85k-$108k/yr HybridFull Time
3+ YOE5+ years software engineering experience with C++ and large codebases; experience with C#/.NET desktop apps, Linux/Docker builds, gRPC/protobuf, CI/CD, and debugging across managed/native boundaries; ability to obtain DOD security clearance.
C++, C#, .NET Framework, Microsoft .NET Framework, WPF, Visual Studio 2022, Microsoft MSBuild, NuGet, Conan, Docker, Kubernetes, FFmpeg, libav, gRPC, protobuf, Microsoft PowerShell, Makefiles, NSIS, CUDA, VAAPI, QSV, Jetson, ARM64, Linux
3w
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Senior CNO Developer (Onsite)
Annapolis Junction or Palm Bay or Dulles or Maryland or Florida or South Carolina or Texas
$99k-$206k/yr RemoteFull Time
7+ YOE5+ MgmtBachelor's +9 yrs or Master’s +7 yrs; 8+ yrs programming in Assembly, C, C++, Java, Perl, and/or Python; experience with Windows/UNIX build environments; CNO tooling experience; 5+ yrs managing teams; TS/SCI preferred.
Assembly, C, C++, Java, Perl, Python, Visual Studio, .NET, make, Bash, PowerShell, IDA Pro, Ghidra, OllyDbg, Git, Windows, UNIX
2mo
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Full Stack Developer (C#)
Ashburn, Virginia, United States
$104k-$218k/yr HybridFull Time
7+ YOEU.S. citizen able to pass CBP background checks, B.S. in CS or related (or equivalent experience), 7+ years backend development experience, expert C#, .NET/.NET Core, microservices, Kafka, PostgreSQL/Oracle/MongoDB, Git, unit testing, Visual Studio, Docker; hybrid in Ashburn, VA.
C#, .NET Framework, .NET Core, MongoDB, Kafka, PostgreSQL, Oracle, Git, Visual Studio, Docker, NUnit, xUnit, MSTest, AWS, Google Cloud, Dynatrace, AppDynamics, SCOM, Prometheus, Grafana, Terraform, CloudFormation, Kubernetes, Jenkins, Harness, GitLab
3mo
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Web Developer
Chantilly, Virginia, United States
OnsiteFull Time
9+ YOEActive TS/SCI with CI poly; BS in Information Systems or Computer Science with 9+ years of experience; client-side development with JavaScript; SharePoint/InfoPath experience; governance and security policy enforcement; strong collaboration skills.
JavaScript, InfoPath, SharePoint Designer, SharePoint, CAML, XSLT, Rest API, Web Services, jQuery, AJAX, Bootstrap, C, PowerShell, MVC, MVVM, AngularJS, React, .NET, CSOM
1mo
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Software Engineer II - Advanced Simulation & Training Systems (Onsite)
Sterling or United States
$76k-$144k/yr OnsiteFull Time
2+ YOESTEM degree and ~2 years' relevant experience (or advanced degree). Active transferable U.S. secret security clearance required. Working knowledge of C/C++, Windows; experience with Visual Studio/Eclipse, source control, ALM, DevSecOps/Agile preferred.
C/C++, Windows, DevSecOps, Agile, C#, Windows Presentation Formats (WPF), .NET, Python, Perl, Visual Studio, Eclipse, SVN, GIT, ClearCase, JIRA, Confluence, Crucible, Bamboo, ALM
5d
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Data Analytics Engineer
Manassas, Virginia, United States
$92k-$132k/yr OnsiteFull Time
5+ YOE5+ years in data analytics/engineering, 3+ years with enterprise ETL/reporting. Strong ETL (SSIS, Pentaho, Python), SQL, Power BI/Tableau, Microsoft Fabric knowledge and bachelor's degree required.
SSIS, Pentaho, Python, SQL, Power BI, Tableau, Crystal Reports, Report Builder, Microsoft Fabric, Microsoft Data Factory, Lakehouse, Microsoft Synapse, .NET, C++, Java, JavaScript, HTML/CSS, Bash, Shell, PowerShell, REST, SOAP
1mo
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Senior Vulnerability Researcher (Network), Lead Associate - TS/SCI w/poly
Chantilly, Virginia, United States
$135k-$216k/yr OnsiteFull Time
5+ YOETS/SCI clearance required; BS/BA with 5+ years or HS diploma with 8+ years. Must identify vulnerabilities across network, host, and web endpoints; prototype tools for Windows and Linux; build virtual environments; code in C, C++, .NET, or Python; strong networking knowledge.
Windows, Linux, VMware, Proxmox, QEMU/KVM, C, C++, .NET, Python, AWS, Azure, GCP
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