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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
Warrenton or State College or Augusta or Centennial
$150k-$200k/yr OnsiteFull Time
Strong Java and JavaScript/TypeScript skills required; Bachelor's in CS/CE/EE or related; experience with full-stack development, containers, Kubernetes, REST, and related tooling; Top Secret clearance required.
Java, Python, JavaScript, TypeScript, Angular, React, Elasticsearch, ELK stack, Redis, Web Services (REST), Docker, LXC, Kubernetes, Helm, Machine Learning, Data Analytics, Android, NoSQL, SQL, Xmidas
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
1mo
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Senior Software Engineer
Ashburn, Virginia, United States
OnsiteFull Time
3+ YOEBachelor's (plus 5 years) or Master's (plus 3 years) in computer science, electronic engineering or related; eligible for DOD security clearance; experience in software development, testing, debugging; proficiency with C++, Java, C#, PLM, Visual Studio, CMake, Git, containerized applications and CI/CD.
C++, Java, C#, Product Lifecycle Management, Visual Studio, CMake, Git, Windows, Linux, containerized applications, CI/CD, Agile
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
1mo
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Senior Software Engineer
Warrenton or Colorado Springs or Florida
$110k-$150k/yr HybridFull Time
5+ YOEActive Secret clearance and US citizenship required; 5+ years systems engineering; Bachelor's in CS or equivalent; strong Python (asyncio), C++ (C++17/20), pybind11/Cython, Kubernetes/Docker, Linux internals, CI/CD (ArgoCD, GitHub Actions), Prometheus/Grafana.
Python, asyncio, C++, pybind11, Cython, Kubernetes, Docker, ArgoCD, GitHub Actions, Prometheus, Grafana, CMake, GitLab CI/CD
2w
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Senior Software Engineer
Nashville or Sterling
HybridFull Time
Asurion: Provides insurance and repair services for consumer electronics.
3+ YOEBachelor's degree required,3+ years building web and back-end systems,proficiency with JavaScript/TypeScript,React and Java or Node.js,experience with Git and automated testing frameworks.
React, TypeScript, JavaScript, Java, Node.js, AWS, Git, Jest, Mocha, Jasmine, Redux, ES6, CI/CD, NoSQL
2w
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Software Developer SME
Winchester, Virginia, United States
$99k-$225k/yr OnsiteFull Time
10+ YOE10+ years software engineering experience, 6+ years with AWS and Python/C#/Java, Top Secret clearance, HS diploma/GED, SAFe ASE preferred, experience with front- and back-end development and Linux.
AWS, Python, C#, Java, JavaScript, Linux, MongoDB, Spring, OSGi, Perl, Lua, NGINX
1w
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Software Developer
Sterling, Virginia, United States
OnsiteFull Time
Master's in Computer Science or related required; expertise in software engineering, AI/ML, data science, deep learning, neural networks, and quality assurance testing; ability to travel to local clients.
2mo
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Senior Software Simulation Engineer
Chantilly, Virginia, United States
OnsiteFull Time
5+ YOEBS in Engineering or Computer Science; 5+ years software engineering experience; proficient in C, C++, FORTRAN, Ada; Visual Studio; GCC; Makefiles; Windows/UNIX/Linux; object-oriented design; knowledge of flight simulation and real-time programming; ability to obtain Secret DOD clearance.
C, C++, FORTRAN, Ada, Visual Studio, GCC, Makefiles, Windows, Unix/Linux
2mo
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Senior Software Engineer - Active Secret clearance - $5,000 Sign On Bonus
Manassas or Middletown
$119k-$132k/yr OnsiteFull Time
5+ YOEBachelor's in software engineering or related field; 5+ years experience, or Master's with 3 years; active Secret clearance; on-site work; US citizenship.
C++, Linux, Kubernetes, Docker, QT Framework, Git, Networking
1mo
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Staff Software Engineer
Dulles, Virginia, United States
$177k-$266k/yr OnsiteFull Time
8+ YOEMust hold active DoD Top Secret clearance, STEM degree with extensive software experience (various degree/experience combinations), 5+ years software development (C++, Python, Java) and container/CI experience, leadership and team management experience, US citizenship required.
Linux, Python, C++, Java, Docker, Kubernetes, Jenkins, GitLab, Rhapsody, Cameo, Eclipse, Jira, Bitbucket, Confluence, Crucible, Bamboo, Podman, VirtualBox, QEMU, KVM, vmWare, Bash
1mo
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Senior Software Full Stack Engineer
Leesburg, Virginia, United States
$112k-$158k/yr OnsiteFull Time
8+ YOEU.S. citizenship required; Bachelor's in computer science; 8+ years software development; front-end with React; back-end with Java, C++ and Python; extensive Linux, CI/CD, REST API and embedded integration experience.
React, Java, C++, Python, Linux, Maptiler, Mapbox, mbtiles, Deck.gl, RESTful API, CI/CD
2mo
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Software Developer Expert
Chantilly, Virginia, United States
OnsiteFull Time
10+ YOESenior software engineer with 10+ years, TS/SCI Full Scope Polygraph, cloud exp, full-stack dev, CI/CD, DevOps, SQL/NoSQL, JIRA/Confluence, Splunk, Python/NodeJS/Angular/JS/C#/SQL.
Python, NodeJS, Angular, JavaScript, C#, SQL, Splunk, Grafana, Prometheus, Jira, Confluence, Windows Server, Linux, CI/CD, UML
1mo
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Senior Software Engineer (Onsite)
Cedar Rapids or Sterling
$87k-$165k/yr OnsiteFull Time
5+ YOESTEM degree with 5+ years' experience (or advanced degree with 3+ years), active transferable U.S. SECRET clearance and U.S. citizenship required, strong Python/C++ and simulation tool experience, familiarity with Agile/DevSecOps and Git/GitLab/JIRA.
AFSIM, RCADE, C++, Python, Simulink, STK, Agile, DevSecOps, CI/CD, Git, GitLab, JIRA
4w
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Software Engineer Senior (Security Clearance Needed)
Chantilly, Virginia, United States
$108k-$180k/yr OnsiteFull Time
5+ YOE5+ years software engineering experience; hands-on with Python or JavaScript, REST APIs, Hadoop/Map Reduce/Spark, build automation (Maven/Jenkins), Linux/Windows, and task trackers (JIRA/Redmine). TS/SCI clearance required.
Python, JavaScript, JIRA, Redmine, REST, Hadoop, Map Reduce, Spark, Maven, Jenkins, Linux, Windows
2mo
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Software Engineer
Chantilly, Virginia, United States
$156k-$234k/yr OnsiteFull Time
15+ YOEBS with 15+ years or MS with 12-15 years; multiple languages (Java, JavaScript, Python, XML); cloud services; web software; Windows/Unix; Git; unit/integration tests; agile; Docker/Kubernetes.
Java, JavaScript, Python, XML, Git, Spring, PostgreSQL, Docker, Kubernetes, Cloud services
2mo
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Senior Software Engineer - AI Agents
Foster City or Ashburn
$123k-$191k/yr HybridFull Time
3+ YOE2+ years with Bachelor's or 5+ years experience; strong Python REST services; GenAI, LLMs, AI agents; cloud and scalable systems; collaboration across teams.
Python, PyTorch, TensorFlow, JAX, LangChain, LangGraph, Autogen, CUDA, AWS, GCP, Azure, Docker, Kubernetes, MySQL, Cassandra, FAISS, Pinecone, GPT, Claude, Mistral, IntelliJ, VSCode, Postman, Jupyter
2w
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Software Developer SME
Winchester, Virginia, United States
$99k-$225k/yr OnsiteFull Time
10+ YOE10+ years software engineering experience, 6+ years with AWS and Python/C#/Java, Top Secret clearance required, HS diploma/GED, SAFe ASE certification preferred.
AWS, Python, C#, Java, JavaScript, Linux, MongoDB, Spring, OSGi, Perl, Lua, NGINX
3w
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Software Engineer
Chantilly, Virginia, United States
OnsiteFull Time
Active TS/SCI with poly on day one; strong Python and Java development; AWS CDK and broad AWS services experience; Elasticsearch/OpenSearch, SQL, Linux shell scripting, Docker; experience with JWICS/C2S classified environments.
Python, Java, Elasticsearch, AWS OpenSearch, SQL, Linux, Docker, Lambda, Amazon S3, AWS Batch, Amazon EC2, Amazon EventBridge, Amazon SQS, Amazon SNS, IAM, Amazon DynamoDB, AWS container services, AWS Cloud Development Kit (CDK), JWICS, C2S
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