529 senior software developer jobs at 153 companies in Halfway, MD
2mo
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Senior Software Engineer
Herndon, Virginia, United States
OnsiteFull Time
8+ YOE8+ years backend software engineering; cloud deployments in cleared environments; Top Secret/SCI clearance; AWS expertise; DevOps; containerization; CI/CD; CloudFormation.
AWS, Docker, Kubernetes, CloudFormation, Lambda, ECS Fargate
4d
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Software Developer, Senior
Herndon or Virginia or United States
$133k-$226k/yr OnsiteFull Time
6+ YOERequires 6+ years of software development experience, a related technical bachelor's degree or equivalent, object-oriented programming, enterprise applications, databases, testing, debugging, and software lifecycle experience.
C#, .NET, Java, Kotlin, C++, PowerShell, Microsoft Windows, IIS, Jenkins, AWS, Microsoft Azure, GitHub, Jira, Confluence
2w
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Software Developer, Senior
Herndon, Virginia, United States
$87k-$198k/yr OnsiteFull Time
6+ YOE6+ years software development experience, legacy enterprise and microservices experience, Agile, Python and Git familiarity, TS/SCI clearance with polygraph required.
Python, Java, JavaScript, React, Angular, NodeJS, AWS, Azure, Google Cloud Platform, Git
2w
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Software Developer, Senior
Herndon, Virginia, United States
$87k-$198k/yr OnsiteFull Time
6+ YOE6+ years software development; 3+ years with legacy enterprise systems; experience with microservices, APIs, Git; HS diploma/GED; TS/SCI clearance with polygraph required.
Python, Java, JavaScript, React, Angular, NodeJS, Git, AWS, Azure, Google Cloud Platform
1mo
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Software Engineer, Senior
Herndon, Virginia, United States
$165k-$220k/yr OnsiteFull Time
9+ YOEActive Top Secret clearance, 9+ years software development (7+ with MS), expert Python, experience with scientific/sensor data processing, ML workflows, Git-based source control, and strong communication skills.
Python, Windows, Linux, Git, GitLab, Bitbucket, Jira, Jenkins, PyTorch, TensorFlow, scikit-learn, NumPy, pandas, OpenCV, SciPy, C, C++, MATLAB, Java, Rust
3mo
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Senior Software Engineer
Herndon or Columbia
HybridFull Time
2+ YOETS/SCI with CI poly, BS in a technical field, strong Kubernetes, Docker, Linux, IaC (Terraform), Git, and collaboration skills.
Docker, Podman, Kubernetes, Terraform, Git, GitHub, GitLab, Linux
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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Senior Software Engineer (Herndon, VA, US, 20171)
Herndon, Virginia, United States
HybridFull Time
5+ YOESenior software engineer with 5+ years experience; proficiency in Java/C#, Docker, Kubernetes/OpenShift; API design; SQL/NoSQL; Linux; OO design; MVC/JDBC; Spring/Hibernate; strong communication.
Java, C#, Docker, Kubernetes/OpenShift, REST, gRPC, SQL, NoSQL, EF Core, Dapper, Spring, Hibernate, JDBC
1mo
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Software Developer Senior
Winchester, Virginia, United States
$150k-$190k/yr HybridFull Time
8+ YOEActive Top Secret/SCI eligibility, CI polygraph eligibility, minimum eight years professional experience, experience with AWS, C#, Java or Python, and designing scalable enterprise software.
AWS, C#, Java, Python
1mo
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Senior Software Engineer
Rockville or Tysons
$112k-$203k/yr HybridFull Time
5+ YOEBachelor's in CS or related (or equivalent experience) with 5+ years experience, system design, OOP, cloud, data storage, performance tuning, DevOps/CI/CD, test automation, and software security.
DevOps, CI/CD
2mo
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Senior Software Engineer – Administrative Services Lead
Reston, Virginia, United States
HybridContract
10+ YOEBachelor's in CS/related field; 10+ years in software/platform engineering; RBAC/identity management; Linux; distributed systems; TS/SCI clearance; travel willingness.
Java, Consul, Nomad, Vault, Kubernetes, Linux
3d
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Senior Software Engineer
Herndon, Virginia, United States
OnsiteFull Time
12+ YOERequires U.S. citizenship, active TS/SCI clearance with CI polygraph, 12 years' experience plus advanced degree or 17 years plus bachelor's degree, and enterprise software, API, microservices, containerization, Git, and DevSecOps experience.
Java, Python, C#, RDF, OWL, SPARQL, Docker, Kubernetes, OpenShift, Git, RESTful APIs, microservices, CI/CD, Agile, DevSecOps, AI/ML
2d
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Senior Software Engineer
Herndon, Virginia, United States
$125k-$190k/yr OnsiteFull Time
4+ YOEAdvanced degree with 4+ years or bachelor's degree with 6+ years; 5–7 years backend experience, API and data pipeline development, Golang fluency, and active TS/SCI clearance.
Golang, Linux, git, Docker, AWS S3, AWS EC2
1mo
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Senior Software Engineer
Sterling, Virginia, United States
$185k-$225k/yr OnsiteFull Time
Design and develop front-end applications and back-end microservices in an agile environment; experience with cloud, containers, Kubernetes, REST, microservices, CI/CD; mentor junior teammates; active TS/SCI required.
REST, microservices, AWS, GCP, Azure, Kubernetes, containers, HTML5, CSS, SASS, Less, Stylus, Browserify, WebPack, Closure, Angular, Ember, React, Redux, Reactive, VueJS, Node.js, NPM, Linux, Subversion, Git, JIRA, Confluence, WebSockets, Svelte, Cesium, OpenLayers, Spring, Docker
6d
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Senior Software Engineer
United States or Westminster or Herndon
$128k-$216k/yr RemoteFull Time
6+ YOEU.S. citizen with active Top Secret security clearance or CBP/DHS suitability, bachelor\u0002s degree or equivalent experience, 6+ years development experience with strongly-typed and scripting languages, agile experience, and ability to lead technical efforts.
Java, Rust, Python, JavaScript, TypeScript, Jira, Confluence, git, Apache Flink, Apache Kafka, React, Next, Leaflet, Map Libre, Redux, AWS, Azure, Google Cloud, OpenStack, Kubernetes, Docker, Jenkins, ArgoCD, Harness, GitLab CI, GitHub Actions, PostgreSQL, Apache Iceberg
1mo
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Senior Software Developer - TS/SCI
Herndon or Chantilly
$125k-$225k/yr OnsiteFull Time
8+ YOEActive TS/SCI clearance required; Bachelor’s degree in EE/CS/CE or related; minimum 8 years software development experience with 7 years in Linux and 5 years with Python and C/C++; proficiency with Git, EMR not mentioned.
Python, C/C++, Linux, AWS, Docker, Kubernetes, PyTorch, TensorFlow, X-Midas, Git, OpenCV, Keras, Qt, PyQt, Android, GitLab CI/CD, CUDA
2mo
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Senior Cyber Software Engineer (iOS)
Sterling, Virginia, United States
OnsiteFull Time
5+ YOETS/SCI clearance required; Top Secret clearance; 5+ years C/C++ on Unix/Linux; iOS development; Objective-C; core Unix features; familiarity with static decompilers and disassemblers.
C/C++, Unix, Linux, iOS, Objective-C, Ghidra, HexRays, Core Foundation, Docker, Git
3mo
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Software Developer
Herndon or Chantilly
$185k-$240k/yr OnsiteFull Time
6+ YOEActive TS/SCI with Full-Scope Polygraph, 6+ years software development, experience with Java/Python/C++/JavaScript, APIs, Git, Agile; cloud, DevOps, containerization preferred.
Java, Python, C++, JavaScript, AWS, Azure, Docker, Kubernetes, Git, REST APIs, CI/CD Tools, DevOps
3mo
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Software Developer
Herndon, Virginia, United States
$112k-$179k/yr OnsiteFull Time
5+ YOETS/SCI with polygraph or ability to obtain; 5+ years software development; .NET, HTML, C#; DevOps tools; SQL Server; JavaScript; CSS; cross-browser code; strong teamwork and communication.
.NET, HTML, C#, JavaScript, Git, Azure DevOps, SQL Server, CSS
6d
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Senior Java Software Engineer - Developer (Virtual)
Herndon, Virginia, United States
$172k-$232k/yr RemoteFull Time
5+ YOEActive U.S. Top Secret clearance, Bachelor’s degree, 5+ years software development with Java/C++ and modern web tech, experience with Agile/DevSecOps, Windows and Linux, and CI/CD.
Java, ReactJS, Python, CI/CD pipelines, C++, Angular, HTML, CSS, Windows, Linux, DevSecOps
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