1mo
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Senior Application Developer
Fairfax, Virginia, United States
$135k-$165k/yr HybridFull Time
12+ YOEActive Secret clearance, 12+ years on large integrated projects (or commensurate experience) with 5+ years Java development; expertise in Java SE/EE, Spring Boot, REST, CI/CD, containerization, and federal security/compliance.
Java, ColdFusion, JavaScript, C#, Java SE/EE, Spring Boot, RESTful services, Maven, Gradle, Git, Jenkins, GitLab CI, Docker, Kubernetes, AWS GovCloud, Microsoft Azure Government
1w
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AR/VR/XR Visualization Research and Development Engineer
State College or Reston
$127k-$241k/yr OnsiteFull Time
2+ YOEBachelor's in engineering or science, 2+ years relevant experience (5+ for senior), proficiency in C#, Python or Java, XR and visualization development, systems/software engineering, eligibility for US security clearance.
C#, Python, Java, Unity, Unreal, AWS, Azure, Docker, Podman, Kubernetes, Helm, ActiveMQ, DDS, Kafka, PostGRES-PostGIS, TCP, UDP
1mo
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Jr. Software Developer
Stafford, Virginia, United States
$45k/yr HybridFull Time
1+ YOEActive Secret clearance, 1+ years software development experience with C#/.NET, Blazor/HTML/CSS, Entity Framework, unit testing (NUnit/xUnit), SQL Server, RESTful APIs, Agile, and CI/CD tools.
C#, HTML, Blazor, Entity Framework, NUnit, xUnit, Microsoft SQL Server, CSS, RESTful APIs, Microsoft .NET, Microsoft Azure DevOps, Jenkins, GitHub, AWS, Azure, Docker, Kubernetes, Angular, React
2mo
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SQL Systems Engineer Expert
Herndon, Virginia, United States
OnsiteFull Time
11+ YOETop Secret/SCI with Poly, bachelor’s degree required; 11+ years in systems engineering or enterprise Windows/SQL environments; strong AD, DNS/DHCP, SCCM, SQL Server, cloud and automation skills.
SQL Server, PowerShell, VBScript, C#, SCCM, Active Directory, DNS, DHCP, Azure, Windows Server, Cloud technology, Enterprise system integration
1mo
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Sr Software Engineer - System (Herndon, VA, US, 20171)
Herndon, Virginia, United States
HybridFull Time
5+ YOEBachelor's in engineering or CS and 5+ years software engineering experience; strong OOP (Java, C#), Linux/Unix, REST services, Spring/Hibernate, SQL databases, IoT protocols (MQTT/CoAP/HTTP), Kafka, and utility domain experience.
Java, C#, Linux, Unix, Spring, Hibernate, SQLServer, MySQL, RESTful APIs, MQTT, CoAP, HTTP, Kafka, JDBC, MVC
2mo
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System Development Engineer II, Platform Engineering and Emerging Technologies
Herndon, Virginia, United States
$129k-$175k/yr OnsiteFull Time
2+ YOE2+ years software development, systems design, and engineering experience; knowledge of networking/storage/OS; proficiency in at least one modern language; active TS/SCI clearance with polygraph or commensurate clearance.
C++, C#, Java, Python, Golang, PowerShell, Ruby, Linux/Unix
1mo
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Systems Integration Analyst Senior
Sterling, Virginia, United States
HybridFull Time
5+ YOEU.S. citizen able to obtain DHS Public Trust; Bachelor's +5 years (or equivalent); experience with Microsoft Windows and Linux, cloud (AWS/Azure), DevOps tools (Jenkins, Git, Ansible, Docker, Kubernetes), Tier 3 support, scripting, configuration management, and technical documentation.
Microsoft Windows, Linux, Amazon Web Services, Microsoft Azure, Jenkins, Git, Ansible, Docker, Kubernetes, DHCP, DNS, Microsoft Active Directory, Microsoft Certificate Services, Group Policies, ServiceNow, Windows Command Line Interface (CLI), Linux shell, Windows Batch, Microsoft PowerShell, SSH, C#, Visual Studio
4w
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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
3w
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Web Application Developer with Polygraph
Herndon, Virginia, United States
$121k-$266k/yr OnsiteFull Time
10+ YOETS/SCI with Polygraph clearance required; Bachelor's in CS; 10+ years web development experience with Oracle SQL, PL/SQL, ASP.NET, JavaScript/HTML/CSS, Angular, node.js, TypeScript, C#, MVC, REST APIs, SAML/OIDC, and CI/CD.
Oracle SQL, PL/SQL, ASP.NET, Javascript, HTML, CSS, Angular Material UI, Angular, node.js, TypeScript, C#, WCF, WebAPI, MVC, REST Web Services, SAML, OIDC, CI/CD, HighVIEW, JIRA, Confluence
3w
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Web Application Developer with Polygraph
Herndon, Virginia, United States
$121k-$266k/yr OnsiteFull Time
10+ YOEActive Top Secret/SCI with Polygraph, Bachelor's in Computer Science or related, 10+ years web development experience, Oracle SQL/PLSQL, ASP.NET, JavaScript/Angular/node.js/TypeScript, C#, MVC, SAML/OIDC, CI/CD, secure environment experience.
Oracle SQL, PL/SQL, ASP.NET, JavaScript, HTML, CSS, Angular, Angular Material UI components, node.js, TypeScript, C#, WCF, WebAPI, MVC, SAML, OIDC, CI/CD, HighVIEW, JIRA, Confluence
1w
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Software Engineer - .NET / SES
Reston, Virginia, United States
OnsiteFull Time
3+ YOE3–5 years backend software experience with C#/.NET, APIs/microservices, relational databases, CI/CD, cloud (AWS/Azure), and strong problem-solving skills.
C#, .NET, REST, gRPC, SQL Server, MySQL, GitHub, Azure DevOps, Jenkins, Docker, Kubernetes, Kafka, RabbitMQ, IBM MQ, AWS, Azure, React, JavaScript, TypeScript
1w
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Software Engineer – Full-Stack / Simulation
Fredericksburg, Virginia, United States
$112k-$146k/yr OnsiteFull Time
Obsidian Solutions Group: Delivers technology-enabled and mission-oriented solutions to government agencies.
4+ YOE4+ years software development experience; strong skills in modern languages, web visualization, secure real-time data pipelines, game-engine simulation, and AI/ML integration; US citizenship and ability to obtain security clearance.
Python, JavaScript, TypeScript, C#, NetCDF, HDF5, WRF, Unity3D, Google Protocol Buffers (Protobuf), Android Studio, Android Team Awareness Kit (ATAK), AWS GovCloud, AES-256, TLS, Cursor-on-Target, DIS, HLA
1mo
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AI Engineer
Herndon, Virginia, United States
OnsiteFull Time
Bachelor's degree in CS or related field, proficiency in Go and Python, plus another modern language; experience with AI/ML frameworks, OpenAI, containerization (Kubernetes, Docker), DevOps/CI/CD, databases (SQL/NoSQL), and automation tools.
Go, Python, Java, C#, Rust, IBM UFT, Microsoft Power Automate, Kubernetes, Docker, OpenAI, Terraform, Ansible, SQL, NoSQL, CI/CD
2mo
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Software Development Engineer - US Federal
Reston, Virginia, United States
$137k-$205k/yr OnsiteFull Time
5+ YOESecurity clearance TS/SCI w/ CI Poly; 5+ years in UML, web/app development, OO languages; bachelor’s degree in computer-related field; experience designing/developing business applications; strong collaboration and communication; JSON/REST/GraphQL a plus.
Java, Python, C++, C#, JSON, REST, GraphQL, Object-Oriented Design, Design Patterns
3w
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Sharepoint Web Developer - Mid - TS/SCI
Springfield, Virginia, United States
$110k-$149k/yr OnsiteFull Time
11+ YOEActive TS/SCI clearance and U.S. citizenship; 11+ years web development experience with SharePoint and related tools; strong JavaScript, .NET, C#, HTML/CSS, React/Angular skills; Bachelor’s degree or equivalent experience.
SharePoint 2019, SharePoint Subscription Edition, SharePoint Online, Power Automate, Power Apps, Power BI, Nintex, SPFx, Require.js, AMD, jQuery, Microsoft .NET, C#, HTML, CSS, AJAX, React, Angular, Python, SQL, JavaScript
1mo
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.NET Software Developer
San Antonio or Fairfax or Washington
RemoteFull Time
6+ YOEBS in CS/engineering/info systems and 6+ years software design and SDLC experience; hands-on ASP.NET, VB.NET, C#.NET, JavaScript, HTML/CSS, Oracle, Visual Studio 2019, Azure DevOps; U.S. Citizenship and active government clearance required.
ASP.NET, VB.NET, C#.NET, jQuery, JavaScript, HTML, CSS, Oracle, Visual Studio 2019, Azure DevOps, UML, Agile Scrum
1mo
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SharePoint Developer ? Level 1 (VA, Quantico)
Quantico, Virginia, United States
OnsiteFull Time
8+ YOETS/SCI eligibility; 8+ years SharePoint experience (3+ years SharePoint Online); SPFx, C#, .NET, JavaScript, HTML5, CSS, REST APIs, Power Platform, Git; CompTIA Security+ and DoD 8570 IAT II required.
SharePoint Framework (SPFx), SharePoint Online, Power Platform, Power Apps, Power Automate, Power BI, C#, .NET, JavaScript, HTML5, CSS, REST APIs, Git
2w
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Sr Cloud Developer
Chantilly, Virginia, United States
OnsiteFull Time
8+ YOEBachelor's degree, 8+ years software development, active Top Secret clearance with SCI eligibility and CI polygraph, experience with cloud architectures, DevSecOps, Terraform, Docker/Kubernetes, and government cloud security.
AWS GovCloud, SC2S, C2S, Terraform, Docker, Kubernetes, Python, .NET, C#, Elasticsearch, Splunk, Lambda, S3, RDS, DynamoDB, VPC, CI/CD, SAFe Agile, API Gateway
2mo
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Sr. AI Integration Engineer
Des Moines or Ashburn or Austin or Chaska or Chicago or Dallas or Lewisville or Kansas City or Nashville or Florida or Georgia or North Carolina or New Jersey or Pennsylvania
HybridFull Time
5+ YOE5+ years in software engineering, systems integration, and AI-enabled workflow delivery; experience with enterprise integrations (ServiceNow, Salesforce), cloud deployments, Python, APIs, and middleware.
Python, JavaScript, TypeScript, Java, C#, APIs, ServiceNow, Salesforce, Kubernetes, Docker, AWS, Azure, GCP, SQL, LangChain, LlamaIndex, Semantic Kernel
4d
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Platform DevOps Engineer
Chantilly, Virginia, United States
$62k-$141k/yr HybridFull Time
3+ YOE3+ years AWS experience, Infrastructure-as-Code (Helm/Terraform/Ansible), .gitlab-ci.yml pipeline skills, containerization (Docker) for C/C++/C# apps, Secret clearance required; bachelor's+1 year or 5+ years software development.
AWS, Helm, Terraform, Ansible, .gitlab-ci.yml, Docker, C++, C, C#, HTML, CSS, JavaScript, Angular, React, Vue.js, .NET, ASP.NET Core, Node.js, MySQL, SQL Server, MongoDB, Google Cloud Platform, Azure, WebAssembly, RESTful APIs, Linux shell scripting