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35 junior full stack developer jobs at 31 companies in Gaithersburg, MD

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Junior Full Stack 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.
0+ YOEBachelor's degree in STEM (computer science, computer information systems, electrical or computer engineering); 0-2 years web application experience; object-oriented programming (C++, Java, Python); MERN stack; Git; U.S. citizenship and ability to obtain security clearance; 5% travel.
C++, Java, Python, MongoDB, Express.js, React, Node.js, Git, Jenkins, GitLab CI, GitHub Actions, TypeScript, Electron, WebAssembly, Docker, Kubernetes, Jest, Mocha, Selenium
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3mo
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Full Stack Developer - Junior
Ashburn, Virginia, United States
$85k-$110k/yr HybridFull Time
Impyrian
Impyrian: Private SBA-certified engineering, IT, and program-management firm serving federal, state, and commercial clients.
1+ YOEBachelor's degree,1-3 years software development experience,knowledge of JavaScript,Java/Spring,web services,SQL,IDE tooling,and version control;strong problem solving and communication skills.
JavaScript, jQuery, Angular, Spring MVC, Spring Boot, SOAP, REST, SQL, Eclipse, IntelliJ IDEA, Git, Jira, JUnit
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Junior Full Stack Software Engineer
Annapolis Junction, Maryland, United States
$127k-$176k/yr OnsiteFull Time
Visionist
Visionist: Employee-owned defense contractor providing software, analytics, and UX services for national-security missions.
3+ YOEActive TS/SCI clearance with polygraph required; U.S. citizenship required; Bachelor's degree in technical discipline or 4 years experience; 3 years software engineering experience; full-stack development with AI workflows; JavaScript and Python.
JavaScript, Python
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Kearney Activate - Full Stack Developer
Washington or Arlington or Boston or United States
$90k-$130k/yr FieldFull Time
Kearney
Kearney: Global management consulting firm.
1+ YOEEarly-career full-stack developer with 1+ years (1–3 preferred) experience or equivalent projects; foundational React/TypeScript and Python, REST and SQL familiarity, Git, cloud and container exposure, strong communication and curiosity.
React, TypeScript, Python, REST, SQL, Git, FastAPI, Docker, AWS, Azure, Google Cloud, CI/CD
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2mo
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Full Stack Software Engineer, Junior
McLean, Virginia, United States
$53k-$108k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Global firm providing management, technology, and engineering consulting services.
1+ YOE1+ year software development experience, Python, modern frontend technology, object-oriented programming, testing, databases and SQL, Git, independent research skills, bachelor's degree in computer science or engineering, and ability to obtain Secret clearance.
Python, Git, JavaScript, TypeScript, React, AWS, Azure, Docker, SQL, CI/CD
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Jr. Full Stack Developer
Columbia, Maryland, United States
HybridFull Time
Sparksoft
Sparksoft: Women-owned digital health and IT contractor serving federal and state agencies with technology solutions.
2+ YOERequires 2–3 years of application development and AWS experience, Java, Angular, TypeScript, React, Node.js, databases, APIs, DevOps, Git, Agile/Scrum, and a technical bachelor's degree.
AWS, Angular, TypeScript, Java, React, Node.js, JavaScript, PHP, DynamoDB, Aurora DB, Git, Jira, Confluence, Drupal, ORM, SQL, F5, NGINX, Generative AI, AI-assisted development tools, LLM, Retrieval-Augmented Generation (RAG)
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2mo
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Full Stack Software Engineer Co-op
Cambridge or Arlington
$28-$33/hr OnsiteInternship
MORSE Corp
MORSE Corp: Employee-owned defense technology consultancy delivering algorithm, software, and systems-engineering services to U.S. national-security customers.
US citizenship and ability to obtain a security clearance; pursuing a BS or BA in Computer Science, Engineering, or related field; experience with Python, JavaScript, ReactJS, Git, and full-stack development.
Python, ReactJS, AWS, Azure, Docker, Spark, JavaScript, Git
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Full Stack Software Developer
Taneytown, Maryland, United States
OnsiteFull Time
EVAPCO
EVAPCO: Employee-owned manufacturer of heat-transfer equipment for commercial HVAC, industrial refrigeration, power generation, and industrial processes.
Bachelor's degree in Computer Science; entry-level software development role requiring object-oriented programming, C# and Visual Studio preferred, database knowledge, collaboration, and testing skills.
C#, Microsoft Visual Studio, JavaScript, TypeScript, Python, R, Java, C++, PowerShell, VB.NET, ASP.NET, MVC, WPF, Web API, REST, LINQ, WCF, .NET, Unity, MVVM, Prism, SignalR, Microsoft SQL Server, T-SQL, AutoCAD, Revit, Solid Edge, SolidWorks, AJAX, Azure DevOps, CAD, SQL, 2D CAD, 3D CAD
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2mo
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Full Stack Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
MasterPeace Solutions
MasterPeace Solutions: A Texas professional organizing service that helps households and businesses organize homes, offices, and work systems.
Development experience with Java and Angular; build experience with GitLab and Docker; build experience with Kubernetes or Marathon.
Java, Angular, Elasticsearch, GitLab, Docker, Kubernetes, Marathon, LILT
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Junior Full Stack Software Engineer AI and Cloud Applications
Reston, Virginia, United States
$85k-$105k/yr HybridFull Time
Agility Technologies
Agility Technologies: A Salesforce-focused cloud consulting firm serving federal, defense, nonprofit, and commercial organizations.
1+ YOEBachelor's degree in Computer Science required; 1-2 years software development experience; proficiency in JavaScript/TypeScript, React, Next.js, REST APIs, databases, Docker, Kubernetes, cloud platforms; US citizenship required; local to DMV area.
Next.js, React, TypeScript, JavaScript, Python, REST APIs, Docker, Kubernetes, GitHub, AWS, Microsoft Azure, Google Cloud Platform (GCP), Node.js, HTML, CSS, SQL, NoSQL, Git, Hugging Face, LangChain, LlamaIndex, PyTorch, OAuth, OpenID Connect, JWT
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Entry Level Full Stack Developer- $65K-$116K + 15% 401k
Chantilly, Virginia, United States
$65k-$116k/yr OnsiteFull Time
Millennial Software
Millennial Software: Employee-owned U.S. defense technology contractor delivering software for space-domain awareness, battle management, and satellite operations.
Demonstrated experience delivering production software across frontend and backend; proficiency in a modern backend language and frontend stack; experience with APIs, databases, Docker, Kubernetes, and cloud services; bachelor's degree or equivalent.
Python, Java, Go, C#, Node.js, JavaScript, TypeScript, React, Vue, Angular, REST, GraphQL, Kafka, RabbitMQ, Docker, Helm, Kubernetes, AWS, Azure, GCP
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3mo
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Full Stack Developer (Entry/Associate Level)
Columbia, Maryland, United States
$92k-$115k/yr OnsiteFull Time
InterImage
InterImage: Woman-owned modernization contractor delivering software, cybersecurity, cloud, data, automation, and AI solutions to government and commercial clients.
Experience with Java 17+, Spring Boot, Oracle Database, MongoDB, Angular, and RESTful services; production support, troubleshooting, and enterprise integration experience required.
Java 17+, Spring Boot, Oracle Database, MongoDB, Angular, RESTful web services
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Full Stack Engineer Intern - Summer 2027
Warrenton, Virginia, United States
OnsiteFull Time, Internship
Greystone Asset Management
Greystone Asset Management: Private commercial real estate finance and investment serving multifamily, healthcare, affordable-housing, and commercial-property clients.
Currently pursuing a degree in Computer Science, Software Engineering, Information Technology, or related field; foundational understanding of software development, OOP, and web applications; strong analytical and problem-solving skills; willingness to learn and collaborate.
Microsoft .NET, C#, ASP.NET Core, Python, React, JavaScript, Microsoft SQL Server, GitHub Copilot, ChatGPT, Codex, Microsoft Azure, Power Platform, Git, REST APIs
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Full Stack Software Workflow Engineer (PHP)
Marlborough or Baltimore or Secaucus
$107k-$1370k/yr HybridFull Time
Quest Diagnostics
Quest DiagnosticsNYSE: DGX: Leading provider of diagnostic information services.
1+ YOE1+ years relevant experience; proficiency in PHP, Laravel, MySQL, React; agile methodologies; test-driven development; Bachelor's degree in computer science or related field; ability to collaborate with US and EU teams.
PHP, Laravel, MySQL, React, CI/CD, AWS, JSON
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1mo
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Software Engineer, Full Stack
Seattle or San Francisco or New York City or Washington or Raleigh or London or Amsterdam or United States or Canada or United Kingdom or Europe
$176k-$244k/yr OnsiteFull Time
Plaid
Plaid: Fintech data network connecting consumers’ financial accounts to apps and services.
2+ YOERequires 2–4 years of full-stack development experience, HTML, CSS, JavaScript, modern frameworks, a programming language, relational databases, microservices, API design, coding, and testing skills.
HTML, CSS, JavaScript, Python, Java, Go, Node.js, MySQL
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Full-Stack Software Developer, TS/SCI with Polygraph
Herndon, Virginia, United States
$106k-$144k/yr OnsiteFull Time
General Dynamics Information Technology
General Dynamics Information TechnologyNew York Stock Exchange: GD: Provider of enterprise IT services and defense solutions.
1+ YOETS/SCI with polygraph clearance; US citizenship; 1+ years relevant experience; BA/BS or equivalent; experience with Angular, Java, GIT, Jenkins, Linux, JDBC/ODBC; SCRUM team experience; willingness to work in dispersed team.
Amazon Web Services (AWS), Angular, Java, GIT, Jenkins, Linux, JDBC, ODBC, REST, SOAP, Puppet, Terraform
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2d
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Junior Software Developer
Vienna or Chantilly
$135k-$165k/yr HybridFull Time
Bridge Core
Bridge Core: Private national-security technology serving U.S. defense and intelligence agencies with engineering, analytics, cloud, and mission services.
0+ YOE0-2+ years full-stack development experience; Bachelor's degree in relevant discipline (experience may substitute); understanding of databases, APIs, agile environment; TS/SCI with Poly clearance required.
Python, Groovy, JavaScript, TypeScript, React, Java, Node, PostgreSQL, MySQL, DynamoDB, CrafterCMS, AWS
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Junior Software Engineer
Annapolis Junction, Maryland, United States
$70k-$190k/yr OnsiteFull Time
Belay Technologies
Belay Technologies: Private SDVOSB providing IT and engineering services to the Department of Defense and commercial clients.
3+ YOETS/SCI clearance with polygraph; 3 years experience or B.S. in technical discipline plus 4 additional years; full stack development with AI workflows; JavaScript and Python; experience with corporate services in high side environment.
JavaScript, Python, Linux
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Junior Software Developer
Chantilly, Virginia, United States
$85k-$114k/yr OnsiteFull Time
ECS Group of Companies
ECS Group of Companies: Professional engineering firm specializing in geotechnical and environmental services.
0+ YOEBachelor's degree in computer science or related field, or equivalent experience; 0-5 years with degree or 2-5 years without degree as developer using Microsoft technology stack; certifications in Microsoft Development, Agile, and SQL Server preferred.
Microsoft SQL Server, Microsoft technology stack
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Associate Software Engineer- Java full stack
Sterling, Virginia, United States
HybridFull Time
REI Systems
REI Systems: Employee-owned IT services and consulting firm delivering modernization, analytics, and grants-management solutions to public-sector organizations.
1+ YOE1-3 years software development experience; Java, Spring Boot, Angular, React, JavaScript, HTML, CSS; RESTful APIs; PostgreSQL or Oracle SQL; Git/GitHub; automated testing and CI/CD concepts; US citizenship and ability to obtain public trust clearance.
Java, Spring Boot, Angular, React, JavaScript, HTML, CSS, PostgreSQL, Oracle SQL, Git, GitHub, JUnit, Cucumber, Selenium, Jenkins, Splunk, New Relic, Docker, Kubernetes, AWS
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