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9,836 software developer jobs at 1,204 companies in Gaithersburg, MD

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Software Developer
Chantilly, Virginia, United States
$104k-$218k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provider of specialized IT and mission-critical government services.
10+ YOEBachelor's degree or equivalent, 10+ years of software development experience, TS/SCI with polygraph, and expertise in Java or Python, RESTful APIs, full-stack or front-end development, Agile, and software architecture.
Java, RESTful APIs, Python, JavaScript, Angular, Apache Spark, Elasticsearch, OpenSearch, AWS, Spring Boot, Kubernetes, Jenkins, GitLab, Docker
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Software Developer
Herndon, Virginia, United States
$156k-$234k/yr OnsiteFull Time
Two Six Technologies
Two Six Technologies: Private defense technology delivering cybersecurity, data, and mission solutions to U.S. national security customers.
6+ YOEBachelor's degree or equivalent education and 6+ years of software development experience. Requires Rust, C, or C++, web languages, development tools, and active TS/SCI with polygraph clearance.
Rust, C, C++, HTML, CSS, Vue, JavaScript, Git, JIRA, Windows, TPM, Amazon Web Services
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1mo
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Software Developer
Reston or Virginia or Falls Church
$118k-$201k/yr OnsiteFull Time
BAE Systems
BAE SystemsLSE: BA.: Global defense, aerospace, and security technology.
8+ YOEBachelor's degree required, 8 years of Agile software development experience integrating front and back ends, recent secure application development experience, and Intelligence Community experience. Master's preferred.
Agile, OSINT
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Software Developer
Reston, Virginia, United States
OnsiteFull Time
Global Dimensions
Global Dimensions: Service-disabled veteran-owned U.S. defense contractor providing intelligence, language, cyber, training, logistics, and IT services to government clients.
8+ YOEU.S. citizenship, active Top Secret/SCI clearance with polygraph, Bachelor's degree in related field, 8+ years Agile software development experience, IC experience, and ability to develop secure applications.
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Software Developer
McLean, Virginia, United States +1 more
$87k-$198k/yr HybridFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Global firm providing management, technology, and engineering consulting services.
5+ YOE5+ years of software development experience with Agile methods, programming languages, web stacks, and front-end/back-end development; Python, C, or C++ experience; bachelor's degree or equivalent experience; ability to obtain Secret clearance.
Agile, Python, C, C++, Java, C#, .NET, JavaScript, React, NodeJS, PHP, Drupal
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Software Developer
Chantilly, Virginia, United States
OnsiteFull Time
Fantom Corporation
Fantom Corporation: Minority-owned IT services and systems engineering firm serving federal and commercial clients in defense and intelligence.
10+ YOEFully cleared with recent polygraph; bachelor's degree or equivalent; 10+ years of software development experience; expertise in Java or Python, enterprise applications, Agile, architecture, and object-oriented programming.
Java, Python, JavaScript, Angular, RESTful APIs, Apache Spark, Elasticsearch, OpenSearch, AWS, Spring Boot, Docker, Kubernetes, Jenkins, GitLab, CI/CD, DevSecOps, Agile
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Software Engineer
Chantilly, Virginia, United States
$95k-$143k/yr OnsiteFull Time
The Aerospace Corporation
The Aerospace Corporation: Provides independent technical research and advisory services for space programs.
2+ YOEBachelor's degree in a STEM discipline, 2+ years of professional software development, software lifecycle expertise, communication skills, and willingness to obtain a security clearance and U.S. citizenship.
elastic compute clouds, containerization, microservices, real-time operating systems, visualization frameworks, CMMI, ISO/IEC 15504, GQM, PSM, Six Sigma, Lean, DevSecOps, AWS, Microsoft Azure, GCP
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Software Engineer
Chantilly, Virginia, United States
OnsiteFull Time
Elveo
Elveo: Private satellite communications providing direct-to-device connectivity to mobile operators, enterprises, governments, and humanitarian organizations.
2+ YOEBachelor's degree or equivalent practical experience and 2+ years of software development experience. Requires object-oriented programming, software design, data structures, algorithms, debugging, and communication skills.
C++, Python, Java, C#, CI/CD, Hardware-in-the-Loop (HITL), TCP/IP, UDP, Linux
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11h
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Software Developer
McLean, Virginia, United States
$133k-$226k/yr OnsiteFull Time
BAE Systems
BAE SystemsLSE: BA.: Global defense, aerospace, and security technology.
2+ YOE2-5 years software development experience; Bachelor's in Computer Science or related field; experience with AI/ML frameworks; ability to obtain security clearance (TS/SCI preferred); U.S. citizenship required.
Python, JavaScript, TypeScript, Rust, Java, C++, Docker, Kubernetes, Terraform, Ansible, ServiceNow, Salesforce, Splunk
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1w
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Software Engineer
Manassas, Virginia, United States
$91k-$169k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Global security and aerospace driving innovative defense solutions.
Bachelor's or Master's in Software Engineering, Computer Science, or related STEM; experience with software development, Linux, Python; ability to obtain security clearance; willing to work onsite and travel up to 25%.
Linux, Python, C++, Java, React, Kubernetes
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9h
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Software Developer
Chantilly, Virginia, United States
$108k-$195k/yr OnsiteFull Time
Leidos
LeidosNew York Stock Exchange: LDOS: Public defense and technology contractor serving government and commercial customers with digital, health, infrastructure, and engineering solutions.
10+ YOEBachelor's degree in Computer Science, IT, or related field; 10+ years software development experience; active TS/SCI clearance with polygraph; proficiency in Java, C#/.NET, Python, JavaScript frameworks, databases, and version control.
Java, C#/.NET, Python, React.js, Node.js, Next.js, MySQL, MongoDB, Git, Subversion, Docker, Kubernetes, ActiveMQ
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2mo
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Software Developer
Arlington, Virginia, United States
$110k-$160k/yr OnsiteFull Time
Cayuse Holdings
Cayuse Holdings: Tribally owned technology and government-services holding serving commercial, government, and tribal clients.
4+ YOEBachelor's degree in Computer Science or related field; 4+ years experience in software development, testing, or SharePoint/web design; proficiency in HTML/CSS and modern languages; active Secret clearance; background check required.
HTML, CSS, C#, Java, JavaScript, .NET, Microsoft Office, Microsoft Word, Microsoft Outlook, Microsoft PowerPoint, Microsoft Excel, SharePoint
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1w
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Software Developer
Arlington, Virginia, United States
$120k-$150k/yr OnsiteFull Time
Systems & Technology Research
Systems & Technology Research: Advanced research and development for national security and defense.
2+ YOEBS or MS with 2 years relevant experience in computer science or related field; proficiency in Python, C++, Java, Go; ability to obtain Secret or Top Secret clearance requiring U.S. citizenship; software development experience.
Python, C++, Java, Go, Git, Docker, Kubernetes, Linux
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6d
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Software Developer
Annapolis Junction, Maryland, United States
$92k-$154k/yr OnsiteFull Time
ManTech International
ManTech International: Advancing the future of defense through innovative technology.
2+ YOEBachelor's degree in computer science or related field; 2+ years software development experience; proficiency in Python, Git, HTML5, CSS3, JavaScript, SQL; active TS/SCI clearance with CI poly; US citizenship required.
Python, Git, HTML5, CSS3, JavaScript, SQL, TypeScript, React, Docker, Ansible, Linux
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1mo
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Software Developer
Herndon, Virginia, United States
RemoteFull Time
VivSoft Technologies
VivSoft Technologies: VivSoft is a private federal IT services and software firm delivering cloud, DevSecOps, AI, and data solutions.
3+ YOERequires 3–6 years of software development experience, an associate degree or equivalent, Angular, TypeScript, Node.js, REST APIs, SQL, Git, unit testing, Agile experience, U.S. citizenship, and ability to obtain DHS suitability.
Angular, TypeScript, RxJS, Node.js, REST APIs, PostgreSQL, SQL, Git, CI/CD, GitLab CI, AWS, AWS GovCloud, Module Federation, Web Components, OIDC, SAML, Keycloak, NIST 800-53, FISMA, FedRAMP, DISA STIG, Appian, Kafka
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2mo
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Software Developer, Senior
Herndon or Virginia or United States
$133k-$226k/yr OnsiteFull Time
BAE Systems
BAE SystemsLSE: BA.: Global defense, aerospace, and security technology.
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
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