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116 software engineer full stack c developer jobs at 56 companies in Gaithersburg, MD

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Senior Software Engineer - Full Stack C# Developer
Hanover, Maryland, United States
$111k-$150k/yr OnsiteFull Time
General Dynamics Information Technology
General Dynamics Information TechnologyNew York Stock Exchange: GD: Provider of enterprise IT services and defense solutions.
8+ YOEC# full-stack web development with ASP.Net, web libraries (jQuery, Bootstrap, Knockout), database experience (MongoDB), 8+ years experience, US citizenship and Top Secret SCI+Poly required.
C#, ASP.Net Web Forms, ASP.Net MVC, Java, MongoDB, HTML, CSS, JQuery, Bootstrap.js, Knockout.js, IIS
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1w
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Full Stack Software Engineer, Senior
Annapolis Junction, Maryland, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Global firm providing management, technology, and engineering consulting services.
5+ YOERequires 5+ years of software development experience, active TS/SCI clearance, and a bachelor's degree or 8+ years of software engineering experience in lieu. Agile and full-stack development experience required.
Microsoft Internet Explorer, Google Chrome, Mozilla Firefox, Microsoft Edge, Apple Safari, Opera Browser, Blackberry Browser, AI, cyber, SAFe, Java, Python, C#, C, C++, .NET, JavaScript, React, NodeJS, PHP, Drupal
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Full Stack Software Engineer, Senior
Annapolis Junction, Maryland, United States
$87k-$198k/yr HybridFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Global firm providing management, technology, and engineering consulting services.
5+ YOERequires 5+ years of software engineering and development experience, agile methodology experience, TS/SCI clearance, and a bachelor's degree or equivalent experience. Full-stack language experience preferred.
Java, Python, C#, C, C++, .NET, JavaScript, React, NodeJS, PHP, Drupal, SAFe Agile
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Full Stack Software Engineer
Laurel, Maryland, United States
$100k-$245k/yr OnsiteFull Time
Johns Hopkins Applied Physics Laboratory
Johns Hopkins Applied Physics Laboratory: University-affiliated research center serving national security and science.
5+ YOEBachelor's degree required, 5+ years full stack development with languages like Rust,C/C++,C#,Java,Python,Javascript,Typescript and AngularJS or Vue.js; able to obtain Secret clearance and travel to sponsor sites.
Rust, C/C++, C#, Java, Python, Javascript, Typescript, AngularJS, Vue.js
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Full Stack Software Engineer
Herndon, Virginia, United States
RemoteFull Time
TrapWire Inc.
TrapWire Inc.: Privately held TrapWire provides cybersecurity SaaS for threat detection and protective intelligence to government and critical-infrastructure organizations.
Deep experience with .NET stack, C#, JavaScript, Microsoft SQL Server, Azure, unit testing, CI/CD, and Agile development practices.
.NET Core, .NET MVC (Razor), ASP.NET Web API, Microsoft SQL Server, Redis, ElasticSearch, Microsoft Azure App Service, Microsoft Azure Function App, Microsoft Azure Storage Account, C#, JavaScript, TypeScript, jQuery, JSON, HTTP, HTML, CSS/SASS, SQL, Microsoft Visual Studio, NUnit, Microsoft SQL Server Management Studio, Jenkins, Github Actions, Slack
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Full Stack Software Engineer (Full Stack Developer All levels)
Chantilly, Virginia, United States
OnsiteFull Time
Redwire Space
Redwire Space: Integrated Space and Defense Tech
1+ YOEU.S. eligibility required; STEM bachelor's preferred; 1+ years full‑stack experience with React, TypeScript/JavaScript and backend in Python/C++/Rust; experience with REST/GraphQL/gRPC, WebSockets, distributed systems, CI/CD, and testing.
TypeScript, JavaScript, React, Python, C++, Rust, HTML, CSS, WebSockets, REST, GraphQL, gRPC, Git
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3mo
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Full Stack Developer
Chantilly or Herndon
OnsiteFull Time
M1 Technology
M1 Technology: Private technology consulting firm delivering software solutions to federal and commercial clients.
4+ YOE4–7 years of full-stack development; TS/SCI with Polygraph; proficient in Java/C#/C++, JavaScript/TypeScript, React.js, Python; cloud deployment on AWS/Azure; DevOps and Agile experience.
AWS, Azure, React.js, Node.js, Python, Java, JavaScript, TypeScript, SQL, PostgreSQL, MySQL, MongoDB, Elasticsearch, Docker, Kubernetes, Git, Jenkins, Terraform, CloudFormation
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Full Stack Software Engineer (Experienced or Lead)
Chantilly or Seal Beach
$135k-$232k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Global aerospace manufacturer of commercial and defense aircraft.
3+ YOEBachelor's degree, 3+ years software development experience with Java/C++/Python, CI/CD and DevSecOps experience, active Top Secret/SCI clearance (U.S. Citizenship), experience with full-stack technologies and agile practices.
Java, C++, Python, HTML, CSS, JavaScript, REACT, Open Layers, Spring Framework, Hibernate, RDBMS, noSQL, REST/Open API, Jenkins, GitLab CI, JMS, WebLogic, Ivy, Maven, Gradle, Git, SQL Server, Oracle, MySQL, MongoDB, CI/CD, DevSecOps
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3mo
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Full Stack Software Engineer
Falls Church, Virginia, United States
OnsiteFull Time
Kastle Systems
Kastle Systems: Private managed-security provider delivering access control, video surveillance, and visitor management for commercial properties and institutions.
3+ YOEBachelor's in CS/CE,3+ years application development with C#,3+ years front-end with HTML/CSS and JavaScript,SQL Server experience,CI/CD and Kubernetes exposure,excellent US English communication.
PHP, C#, JavaScript, HTML, CSS, jQuery, Bootstrap, Angular, React, Vue.js, SQL Server, Kubernetes, CI/CD, Python, AWS, Azure
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Full Stack Developer
Arlington, Virginia, United States
$100k-$120k/yr HybridFull Time
ECS Federal
ECS FederalEFOR: Federal segment of Everforth delivering technology and engineering solutions.
3+ YOE5+ years full-stack experience with Python/JavaScript/C#/SQL, 3+ years JavaScript, degree in CS or related field, professional web development certification, experience with Azure/AWS, APIs, databases, and message brokers.
JavaScript, Python, SQL, C#, HTML, CSS, Typescript, jQuery, Angular, React, Node.js, Flask, Django, MySQL, Teradata, Apache, REST, gRPC, Azure, AWS, Kafka, EventHub, Azure DevOps, GitHub, Websockets, Databricks
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2mo
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Full Stack Software Engineer
Suitland, Maryland, United States
$130k-$150k/yr HybridFull Time
Soft Tech Consulting
Soft Tech Consulting: Woman- and minority-owned consulting firm serving government and private-sector clients with cloud, infrastructure, Agile, and DevOps services.
8+ YOE1+ MgmtUS citizen with Top Secret (SCI-eligible) clearance, 8+ years experience, 5+ years related work, 1+ year leading developers, Bachelor's in IT or related, must obtain Security+/CASP+/A+/CISSP within 90 days, experience with React/Typescript, Java, SQL, C#, AWS, and classified systems.
React, Typescript, VSCode, Chrome, AWS, Java, SQL, C#, HTML, Hibernate, AWS Lambda, Jenkins, Git, BitBucket, SonarQube
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Full Stack Developer
Arlington, Virginia, United States
$100k-$120k/yr OnsiteFull Time
MDW Associates
MDW Associates: Private federal consulting firm providing strategic planning, acquisition, financial, information-systems, and data-analytics support.
5+ YOE5+ years full stack development, 3+ years JavaScript, experience with Python/SQL/C#, front-end and back-end frameworks, APIs, databases, cloud (Azure/AWS), and Bachelor's degree; Public Trust clearance required.
JavaScript, Python, SQL, C#, HTML, CSS, Typescript, jQuery, Angular, React, Node.js, Flask, Django, MySQL, Teradata, Apache, REST, gRPC, Azure, AWS, Kafka, EventHub, Azure DevOps, GitHub, Websockets, Databricks
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Full-Stack Developer
Leesburg, Virginia, United States
OnsiteFull Time
Cornerstone Chapel
Cornerstone Chapel: Non-denominational Christian church serving the Leesburg area through Bible teaching, worship, and community ministry.
3+ YOEBachelor's degree in CS/IT, 3–5 years full-stack development experience, proficiency in C#, .NET, Microsoft SQL Server, HTML5/CSS3/JavaScript, Git; experience with Rock RMS, REST APIs and on-premise hosting preferred.
Rock RMS, C#, .NET, Microsoft SQL Server, HTML5, CSS3, JavaScript, Git, REST APIs, Proxmox, CEPH
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2w
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Senior Full Stack Software Engineer - Application Engineering
Bothell or Boulder or College Park or Toronto
$146k-$209k/yr HybridFull Time
IonQ
IonQNYSE: IONQ: Public quantum technology delivering trapped-ion computing, networking, sensing, and security systems to enterprise and government customers.
5+ YOEBachelor's degree or equivalent experience; 5+ years full-stack development and API framework experience; JavaScript, Python, or Golang; UI visualization; scientific or quantum computing experience.
JavaScript, Python, Golang, REST, GraphQL, gRPC, three.js, D3, WebGL, Agentic AI, numpy, pandas, C, C++, AWS, GCP
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2mo
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Full Stack Software Engineer (TS/SCI)
Herndon or Colorado Springs or Melbourne
$82k-$132k/yr OnsiteFull Time
Vantor
Vantor: Forging the new frontier of spatial intelligence.
3+ YOEU.S. citizen with active TS/SCI clearance, Bachelor's in Software Engineering or related STEM, minimum 3 years' experience, proficiency with Java/C++/Python, front-end frameworks, Kafka, Git, ELK stack, Grafana/Prometheus, Bash/Linux, containerized microservices, CI-CD, and Agile.
Java, C++, Python, Vue.js, React, Kafka, Git, ELK, Grafana, Prometheus, Bash, Linux, Subversion, IDE, CI-CD Pipelines
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Full Stack Software Engineer (TS/SCI)
Melbourne or Colorado Springs or Herndon
$82k-$132k/yr OnsiteFull Time
Vantor
Vantor: Forging the new frontier of spatial intelligence.
3+ YOEUS citizen with active TS/SCI clearance, Bachelor's in software engineering or STEM, 3+ years experience, experience with Java/C++/Python, front-end and back-end development, containerized microservices, CI-CD and Agile.
Java, C++, Python, Vue.js, React, Kafka, Git, Subversion, ELK, Grafana, Prometheus, Bash, Linux, IDE, CI-CD Pipelines
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Full Stack Software Engineer
St. Louis or Fairfax
OnsiteFull Time
Reinventing Geospatial
Reinventing Geospatial: Geospatial software and engineering serving defense, intelligence, and federal clients, including soldiers and analysts.
4+ YOERequires BS+4yrs or MS+2yrs, active Top Secret clearance (TS/SCI), 3+ yrs React and Python/C# experience, unit testing and CI with GitLab, strong communication and DevOps/Cloud experience.
AWS Lambda, EC2, AWS CloudFormation, C#, Java, JavaScript, TypeScript, Python, Shell, GitLab, Jira, Confluence, Redux, React, Node, NPM, Swashbuckle, REST API, Sass, Linux, Windows
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Full Stack Developer
Suitland or Springfield or California or Colorado or Hawaii or Illinois or Maine or Maryland or Massachusetts or Minnesota or New Jersey or New York or Vermont or Virginia or Washington or District of Columbia or Cleveland
$106k-$150k/yr OnsiteFull Time
Accenture Federal Services
Accenture Federal ServicesNew York Stock Exchange: ACN: Technology and management consulting for U.S. federal agencies.
Bachelor's degree or two years of software engineering experience, Angular experience, and proficiency in HTML, CSS, C++, C#, Java, or JavaScript. Active Top Secret clearance required.
Angular, HTML, CSS, C++, C#, Java, JavaScript, MarkLogic, MongoDB
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Full Stack Software Engineer (Experienced or Lead)
Chantilly or Seal Beach
$135k-$232k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Global aerospace manufacturer of commercial and defense aircraft.
3+ YOEBachelor's or equivalent, 3+ years Java/C++/Python and full-stack experience, DevSecOps and CI/CD experience, active U.S. Top Secret/SCI clearance (or active within 24 months), U.S. person required.
Java, C++, Python, HTML, CSS, JavaScript, REACT, Open Layers, Spring Framework, Hibernate, RDBMS, noSQL, REST/Open API, DevSecOps, CI/CD, Jenkins, GitLab CI, JMS, WebLogic, Ivy, Maven, Gradle, Git, SQL Server, Oracle, MySQL, MongoDB
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Full Stack Developer (Cleared)
Washington, District of Columbia, United States
OnsiteContract
Kentro
Kentro: Private federal IT services firm serving U.S. agencies with modernization, data, cybersecurity, human capital, and health solutions.
3+ YOEBachelor's or equivalent, 3+ years full stack development, front-end (React/Angular/Vue), back-end and REST API experience, JS/TypeScript/Java/Python/C#, database experience, strong debugging and communication skills.
React, Angular, Vue, Node.js, Java, Python, .NET, MySQL, PostgreSQL, MongoDB, AWS, Azure, Google Cloud Platform, Jenkins, GitHub Actions, GitLab CI, Docker, Kubernetes
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