1mo
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Senior Full Stack Developer (Python/Java/Angular)
Ashburn, Virginia, United States
$112k-$179k/yr HybridFull Time
7+ YOEU.S. citizenship and Public Trust eligibility; 7+ years technical experience; strong Python, PostgreSQL, Java Spring Boot, Angular, microservices, and AWS experience; containerized Linux and Git familiarity.
Python, PostgreSQL, Java, Spring Boot, Angular, TypeScript, Angular Material, JavaScript, CSS, HTML, AWS, Git, MySQL, SQL, Kafka, NGRX, NGXS, UML, Linux, microservices architecture, RESTful services
1mo
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Senior Full Stack Developer (Python/Java/Angular)
Ashburn or United States
$112k-$179k/yr HybridFull Time
7+ YOEU.S. citizen able to pass Public Trust; 7+ years technical experience in containerized Linux; experience with Python, PostgreSQL, Java Spring Boot, Angular, microservices, and AWS; strong communication and OODD skills.
Python, PostgreSQL, Java Spring Boot, Spring Boot, Angular, Angular Material, TypeScript, JavaScript, CSS, HTML, microservices, AWS, Linux, Git, SQL, MySQL, Kafka, UML, NGRX, NGXS
4d
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Lead Java Software Engineer - Developer (Virtual)
Herndon, Virginia, United States
$212k-$286k/yr RemoteFull Time
10+ YOEActive U.S. Top Secret clearance, bachelor’s degree or equivalent,10+ years Java/C++/web development, cloud and software configuration management experience, strong architecture and leadership skills.
Java, ReactJS, python, CI/CD, Angular, React.js, C++, HTML, CSS, Windows, Linux, P6
4d
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Lead Java Software Engineer - Developer (Virtual)
Herndon, Virginia, United States
$212k-$286k/yr RemoteFull Time
10+ YOERequires active Top Secret clearance, 10+ years Java/C++/web development experience, Bachelor's degree or equivalent, experience with cloud, software configuration management, and mentoring/leading teams.
Java, C++, Angular, ReactJS, HTML, CSS, python, CI/CD, P6, Windows, Linux
3w
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Principal Java Software Engineer (Onsite)
Richardson or Aurora or Dulles
$108k-$205k/yr OnsiteFull Time
8+ YOESTEM degree and minimum 8 years relevant experience; active transferable TS/SCI clearance and U.S. citizenship required; experience with Java, large-scale architecture, Agile, and Atlassian tools.
Java, Atlassian, Git, Chef, Ruby, Python, Groovy, SQL, NoSQL, AWS (S3, SQS, SNS), Apache Felix, Apache Velocity, Spring Boot, Spring Integration, Spring Framework, Docker, Kubernetes, Hibernate, Bitbucket, Jenkins, Artifactory
2w
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Software Engineer: Full Stack - Python, Java or JavaScript/TypeScript (TS/SCI Clearance Required)
Alexandria or Chantilly or Englewood or Gaithersburg or Saint Louis or Tucson
OnsiteFull Time
Active TS/SCI clearance with polygraph ability, Bachelor's in CS or related, proficiency in Python/Java/JavaScript/TypeScript, cloud (AWS/Azure), containers, CI/CD, databases, and secure coding practices.
Python, Java, JavaScript, TypeScript, HTML, CSS, JSON, AJAX, REST APIs, React, Angular, Vue.js, Node.js, Spring Boot, Django, Flask, AWS, Azure, MySQL, PostgreSQL, SQL Server, Linux, Windows, Git, GitLab CI, Jenkins, JIRA, Confluence, Docker, Kubernetes, RMF, STIGs, Go, OpenSearch, Elasticsearch, S3, EC2, SQS, SNS, RDS, CloudFormation, Terraform, Ansible, GeoServer, PostGIS, OGC APIs, ESRI ArcGIS
12h
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Senior Developer
Herndon, Virginia, United States
OnsiteFull Time
10+ YOEActive US security clearance (TS/SCI with CI polygraph), 10+ years experience (or 15+ with BS), proficiency in Java/Python/C#, RESTful APIs, containerization, databases, Agile/DevSecOps.
Java, Python, C#, RESTful APIs, RDF, OWL, SPARQL, Docker, Kubernetes, OpenShift, CI/CD, Git
3w
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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
3d
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Senior Ontology Developer (TS/SCI)
Herndon, Virginia, United States
$140k-$206k/yr OnsiteFull Time
10+ YOEU.S. citizen with active TS/SCI+CI polygraph, 10+ years' software development experience (or 15+ with bachelor's), experience with Java/Python/C#, RESTful APIs, containers, graph/semantic technologies, CI/CD, and security practices.
Java, Python, C#, Docker, Kubernetes, Red Hat OpenShift, RDF, OWL, SPARQL, AWS, Microsoft Azure, Git, CI/CD, large language models (LLMs)
1w
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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
1mo
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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
3w
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Senior Application Developer
Denver or St. Louis or Sterling or Springfield
$75k-$158k/yr OnsiteFull Time
8+ YOEBachelor's or equivalent,8+ years software development experience,expertise in Java and/or Python,REST APIs,relational and non-relational databases,CI/CD and Git,TS/SCI clearance with polygraph required.
Java, Python, ArcGIS, GeoServer, OpenLayers, Cesium, Kubernetes, AWS, Git, CI/CD
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
3d
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Senior Ontology Developer (TS/SCI)
Herndon, Virginia, United States
$140k-$206k/yr OnsiteFull Time
10+ YOEU.S. citizen with active TS/SCI+CI polygraph, 10+ years experience with advanced degree (or 15+ with bachelor), expertise in Java/Python/C#, RESTful APIs, containers, semantic web, cloud, and Agile/DevSecOps.
Java, Python, C#, RESTful APIs, microservices, RDF, OWL, SPARQL, Docker, Kubernetes, Red Hat OpenShift, AWS, Azure, Git, CI/CD, LLMs, RMF, Semantic Web
3w
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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
2mo
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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
1w
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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
4d
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Software Developer, Senior
Chambersburg, Pennsylvania, United States
$145k/yr HybridFull Time
10+ YOE10+ years software development; 3–5+ years full-stack web experience; Bachelor’s degree; DoD 8140 qualification; current DoD Secret clearance; EMR not mentioned.
React, Vue, Angular, Node.js, Python, Java, AWS, Azure, CI/CD, RESTful APIs
1mo
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Agile Developer
Herndon or United States
RemoteFull Time
5+ YOEBachelor's degree in CS/IT/Engineering, 5+ years software development in Agile, experience with Java/C#/JavaScript/Python, web services/APIs, Git, CI/CD and DevSecOps, and knowledge of secure coding and federal cybersecurity.
Java, C#, JavaScript, Python, VistA, MUMPS, CPRS, AWS, Azure, Google Cloud, Docker, Kubernetes, React, Angular, Vue.js, HL7, FHIR, Git, CI/CD, DevSecOps
1mo
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GenAI Developer
Ashburn, Virginia, United States
$52-$94/hr OnsiteFull Time
7+ YOEU.S. citizenship and CBP background check, BA/BS or equivalent experience, 7+ years full-stack development (React/Angular, SQL/NoSQL), familiarity with LLMs and GenAI, Python/Java/JavaScript/TypeScript, cloud (AWS, Google), API and DevSecOps experience.
React, Angular, SQL, NoSQL, Python, Java, JavaScript, TypeScript, AWS, Google, Google Vertex AI, AWS Bedrock, GitLab, RESTful services, DevSecOps