Javascript Developer Jobs in Largo, MD, US

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Mid-Level Software Developer with C++ and JavaScript

Bethesda, Maryland, United States

OnsiteFull Time

Magnus Management Group: Provides cybersecurity, IT, and management consulting for government clients.

3+ YOEThree+ years of relevant software development experience; proficiency in C++ and JavaScript; Linux environment; distributed computing; relational databases (Microsoft SQL); BS in Computer Science.

C++, JavaScript, Linux, SQL, Shell scripting

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Software Engineer 2 - Grafana/Bash/Python/JavaScript

Annapolis Junction, Maryland, United States

$130k-$270k/yr OnsiteFull Time

Captivation Software: Provides specialized software engineering for the intelligence and defense communities.

8+ YOETop Secret/SCI clearance with polygraph; 8+ years SWE experience; BS CS or related discipline; 4 years experience can substitute for degree; skills in Grafana, Bash, Python, JavaScript.

Grafana, Bash, Python, JavaScript

1mo

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1mo

Software Engineer - Java, Python, node.js, JavaScript, HTML (2026-0065)

Reston, Virginia, United States

OnsiteFull Time

Acclaim Technical Services: Provides language and intelligence services to U.S. federal agencies.

2+ YOEBachelor's degree in engineering or related field; 2+ years software engineering experience; proficiency in Java, Python, Node.js, JavaScript, HTML.

Java, Python, Node.js, JavaScript, HTML

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Software Developer

Suitland, Maryland, United States

$108k-$158k/yr OnsiteFull Time

Accenture Federal ServicesNYSE: ACN: Provides technology and consulting services to U.S. federal agencies.

3+ YOE3 years of software development with HTML, CSS, and JavaScript; knowledge of SDLC.

HTML, CSS, JavaScript, Vue3, SharePoint, Tableau, RESTful APIs, GraphQL, UI/UX Design, Build Tools

1mo

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1mo

Drupal Developer

Falls Church or United States

OnsiteFull Time

CTAC: Systems integrator providing IT solutions for government agencies.

3+ YOEExperience with Drupal development, module/theme development, security, performance tuning; Linux/Unix, PHP, MySQL, JavaScript; 3+ years.

Drupal, PHP, MySQL, JavaScript, Linux, Unix, LAMP, WordPress, PostgreSQL

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Software Developer

Alexandria, Virginia, United States

$75k-$102k/yr OnsiteFull Time

Space Ground System Solutions: Provides engineering services for satellite ground systems and space missions.

0+ YOE0-5 years software development experience; Linux, React/JavaScript, Java; BS in CS/Engineering.

React, JavaScript, Java, Linux, Go, Python, C/C++, Kubernetes, Docker, Podman, Shell scripting, Git, Jira, REST, JSON, RHEL, NodeJS

1mo

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1mo

ServiceNow Developer, Mid

McLean, Virginia, United States

$69k-$158k/yr RemoteFull Time

Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.

2+ YOE2+ years in ServiceNow development (ITSM), custom app development, Glide scripting, JavaScript; HS diploma or GED; U.S. citizenship.

JavaScript, ServiceNow, ITSM, Glide scripting, Web services (REST/SOAP), CMDB, Angular, SQL, XML

1mo

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1mo

High Performance Web Developer (JavaScript, Angular Material, QT, WebGL)

Herndon, Virginia, United States

$94k-$198k/yr OnsiteFull Time

CACINYSE: CACI: Provides information technology and professional services to government clients.

5+ YOE5+ years in high performance compute/embedded, BS in CS (MS preferred), proficient WebGL/OpenGL/QT, JavaScript/HTML/Angular/CSS/Node.js, browser objects, TCP/IP/Web Sockets, OO design, TDD in Agile, Git.

WebGL, OpenGL, QT, C++, JavaScript, HTML, Angular, CSS, Node.js, Git, TCP/IP, Web Sockets, WASM

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Python Developer

Lexington Park, Maryland, United States

$55k-$126k/yr OnsiteFull Time

Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients

Software development experience with Python/JavaScript/Scala; ability to obtain Secret clearance; HS diploma or GED; desirable ML/AI knowledge.

Python, JavaScript, Scala, AI/ML tools

1mo

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1mo

SharePoint Developer

Washington, District of Columbia, United States

$110k-$120k/yr OnsiteFull Time

Trinet Technologies: Provides IT modernization and cybersecurity solutions for federal government agencies.

5+ YOE5+ years of SharePoint client-side development experience; Bachelor’s in Information Systems, Computer Science, or related field; strong JavaScript framework experience.

JavaScript, jQuery, CAML, XSLT, REST API, React, AngularJS, dotNet MVC, Power BI, Power Automate, PowerApps, InfoPath, SharePoint Designer, SharePoint, PowerShell

1mo

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1mo

Application Developer Senior Software Engineer

Fort Meade, Maryland, United States

$165k-$215k/yr OnsiteFull Time

Peak 10 Incorporated: Cyber and enterprise system solutions provider for the DoD.

6+ YOESix+ years software development; strong background in C#/.NET or Java; web development with REST, ASP.NET, JQuery, JavaScript; Agile experience; OO design; XML/JSON; NoSQL; code reviews; team collaboration.

C#, .NET, Java, REST, ASP.NET, JQuery, JavaScript, CSS, XML, JSON, NoSQL, SQL, Windows, Unix/Linux, Dialogic CTI

1mo

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1mo

Web Developer

Annapolis Junction, Maryland, United States

$144k-$210k/yr HybridFull Time

Boeing Intelligence & AnalyticsNYSE: BA: Provides intelligence analytics and cyber solutions for national security.

8+ YOEActive TS/SCI clearance with polygraph; 8+ years web development; HTML, CSS, JavaScript; REST APIs; SDLC; Agile; Jira/Confluence; 508 accessibility.

HTML, CSS, JavaScript, React, Angular, Vue, REST APIs, Jira, Confluence, AWS, Docker, Kubernetes, Node.js, Java, Linux scripting, Git

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Drupal Developer

McLean, Virginia, United States

HybridFull Time

Astor & Sanders: Provides IT modernization and software solutions to federal agencies.

3+ YOEBachelor's degree in CS or related field; 3+ years Drupal development; PHP, HTML, CSS, JavaScript, MySQL; Drupal modules/themes; Drush; Git; Agile.

Drupal, PHP, JavaScript, HTML, CSS, MySQL, Git, Drush

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Meteorological Developer

College Park, Maryland, United States

$80k-$120k/yr OnsiteFull Time

University of Maryland: Public research university providing undergraduate and graduate degree programs.

2+ YOEBachelor's in Atmospheric Science, Meteorology, Computer Science, Information Sciences, or related field; 2+ years software development/data visualization; Linux server environment; web development (JavaScript, HTML5, CSS, PHP); Python; SQL; version control.

JavaScript, React, jQuery, HTML5, CSS, PHP, Python, SQL, Linux, Bash, PostgreSQL, MariaDB, MS SQL Server

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Full Stack Developer

Arlington, Virginia, United States

OnsiteFull Time

ECSNYSE: ASGN: Provides advanced technology and engineering services to government agencies.

5+ YOE3+ years JavaScript, 5+ years full stack, degree in CS or related field, web development certifications.

JavaScript, Python, C#, SQL, HTML, CSS, TypeScript, jQuery, Angular, React, Node.js, Flask, Django, MySQL, Teradata, Apache, REST, gRPC, Azure, AWS, Kafka, EventHub, Azure DevOps, GitHub, Websockets, Monolith, Microservices, Serverless, Service Mesh

1mo

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1mo

UI Developer

Chantilly, Virginia, United States

OnsiteFull Time

NS2 Mission: Delivers secure data management and analytics for national security.

5+ YOE5+ years UI development; Vue.js; JavaScript/TypeScript; HTML5/CSS; responsive design; REST APIs; Git; onsite in Chantilly, VA; TS/SCI with CI Poly clearance.

Vue.js, JavaScript, TypeScript, HTML5, CSS, RESTful APIs, Git

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Software Developer

Springfield, Virginia, United States

OnsiteFull Time

ManTech: Provides technology solutions for defense and intelligence agencies.

8+ YOE3+ MgmtSenior software developer with 8+ years’ experience, leadership 3+ years, strong Python/Java/C++/JavaScript, secure coding, Agile/Scrum, Git, cloud, containers, SQL/NoSQL.

Python, Java, C++, JavaScript, Git, Docker, Kubernetes, SQL, NoSQL, Agile, Scrum

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Senior ServiceNow Developer

Chantilly, Virginia, United States

$180k-$230k/yr OnsiteFull Time

Synergy ECP: Provides cybersecurity and systems engineering for defense agencies.

6+ YOE6–10 years ServiceNow development; JavaScript, Glide API; REST/SOAP; CMDB; DoD/IC experience; TS/SCI clearance; US Citizenship.

ServiceNow, JavaScript, Glide API, Script Includes, Business Rules, Client Scripts, UI Policies, Flow Designer, Integration Hub, REST, SOAP, MID Server, JDBC, CMDB, Discovery, Service Portal, AngularJS, HTML, CSS, Bootstrap

1mo

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1mo

Software Developer – Mid (Team 04)

Washington, District of Columbia, United States

$135k-$150k/yr OnsiteFull Time

AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.

5+ YOETop-Secret clearance, 5+ years of software development experience, Bachelor's degree or equivalent, strong backend development in Java/JavaScript/Go/Python/.NET, experience with frameworks and agile development.

Java, JavaScript, Go, Python, .NET, Spring, Nodejs, NestJS, Gin, Hibernate, Struts, Git, CI/CD, AWS, Jira, Confluence, Splunk, SAFe

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SharePoint Developer - Senior

Fort Belvoir, Virginia, United States

OnsiteFull Time

Evans & Chambers Technology: Develops technology solutions and software for national defense missions.

8+ YOEEight years in SharePoint development; five years SDLC/Agile; five years mentoring; five years defect tracking and testing; HTML, CSS, JavaScript/jQuery.

HTML, CSS, JavaScript, jQuery, SharePoint, SharePoint Workflows, Cross-domain solutions

1mo

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1mo

Appian Developer

Reston, Virginia, United States

OnsiteFull Time

DAn Solutions: Provides IT systems integration, cybersecurity, and cloud engineering services.

4+ YOEOn-site Appian Developer with TS/SCI w/ CI poly; 4+ years experience or Bachelor’s in a related field; HTML, CSS, JavaScript, Node.js, Java, Angular, ReactJS, Express.js, NestJS, TypeORM, Docker.

HTML, CSS, JavaScript, Node.js, Java, Angular, ReactJS, Express.js, NestJS, TypeORM, Docker

1mo

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1mo

UI/UX Developer

Aurora or Herndon

$85k-$152k/yr HybridFull Time

Two Six Technologies: Develops cybersecurity and data systems for national security missions.

2+ YOEFrontend developer with 2-5 years of experience, proficient in JavaScript/TypeScript, and Bachelor’s degree in a related field; TS/SCI clearance preferred.

TypeScript, JavaScript, CSS/SCSS, HTML5, Vue.js, React, Angular, Git, Jira, Cypress, D3.js, Cesium, RxJS, SCSS, Bootstrap, Sketch, Figma

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Web Application Developer

Bethesda, Maryland, United States

OnsiteFull Time

Diverse Systems Group: Provides IT and cybersecurity solutions to federal government agencies.

5+ YOE5–8+ years web development; Bachelor's in CS/SE; Drupal CMS; HTML, CSS, JavaScript, PHP; Git; testing and deployment.

Drupal, HTML, CSS, JavaScript, PHP, Git

22h

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22h

Software Development Engineer

Washington or Colorado or Maryland

HybridFull Time

Auria: Engineering and software solutions for space and defense missions.

5+ YOE5+ years OO development; 2+ years C#.NET; 2+ years JavaScript/React/CSS; full SDLC; US citizenship.

C#.NET, JavaScript, React, CSS, Web Services, Databases, C++, Entity Framework, Postgres, Relational Database Design, GitLab, MBSE, Cameo, STK, GMAT, Free Flyer, Cesium

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Summer 2026 Software Developer Internship

Annapolis Junction, Maryland, United States

$26-$35/hr OnsiteInternship, Full Time

GDITNYSE: GD: Delivers IT and mission services to government agencies.

0+ YOEC/C++, JavaScript, Java, Python software development; 0+ years experience; US citizenship.

Python, Java, C/C++, Rust, JavaScript, TypeScript

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.NET Developer

Suitland, Maryland, United States

$76k-$86k/yr OnsiteFull Time

Sabre Systems: Provides engineering and IT solutions for defense customers.

7+ YOE7+ years of web app development with Microsoft technologies; strong .NET/C#, ASP.NET, JavaScript, HTML/CSS, SQL; Oracle SQL/PL-SQL; backend testing; Agile; Source Code Control (Subversion).

.NET, C#, ASP.NET, VB Script, JavaScript, HTML, CSS, Oracle SQL, PL/SQL, Subversion, AngularJS, MVC 4.0

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Software Developer Web Applications IV (Applications Developer)

Greenbelt, Maryland, United States

RemoteFull Time

GAMA-1 Technologies: Delivers cloud modernization and IT services for federal agencies.

5+ YOE5+ years web development; strong JavaScript/TypeScript; React/Angular/Vue; AWS microservices; geospatial visualization.

JavaScript, TypeScript, React, Angular, Vue.js, AWS, REST, WebGL, Canvas, D3.js

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ServiceNow Developer SME

Chantilly, Virginia, United States

OnsiteFull Time

V2XNYSE: VVX: Integrated mission lifecycle support for global defense operations.

Design and develop applications on the ServiceNow platform; strong JavaScript; ITSM/ITOM/CSM/CMDB knowledge; Agile Scrum; Oracle/MySQL DB experience.

JavaScript, ServiceNow, Oracle, MySQL, ITSM, ITOM, HR Module, CSM, CMDB

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Sr. Product Developer I (6537)

Reston, Virginia, United States

$124k-$147k/yr HybridFull Time

MetroStar: Provides digital transformation and IT services to government agencies.

4+ YOELead developer with 4+ years, React/TypeScript/JavaScript, REST APIs, databases, HTML/CSS, tests, Agile, security clearance.

React, TypeScript, JavaScript, REST, PostgreSQL, MySQL, HTML, CSS, Git

1mo

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1mo

ServiceNow Developer SME

Chantilly, Virginia, United States

OnsiteFull Time

V2XNYSE: VVX: Provides logistics, facility management, and mission support services.

Active TS/SCI with Polygraph clearance; ServiceNow development; JavaScript; Oracle/MySQL DB; Agile Scrum; strong communication; ability to work in team and independently.

ServiceNow, JavaScript, Oracle, MySQL, ITSM, ITOM, CSM, CMDB, Agile Scrum

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Senior‑Level User Experience Designer (JavaScript)

Annapolis Junction, Maryland, United States

$145k-$165k/yr OnsiteFull Time

IDS International: Global training, logistics, and security for government agencies.

4+ YOEBachelor/Master/Doctoral with years of relevant experience; Agile; HTML, CSS, JavaScript; React and Vue.js; TS/SCI with Polygraph.

HTML, CSS, JavaScript, React, Vue.js

1mo

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1mo

Software Developer (Systems Software)

McLean, Virginia, United States

OnsiteFull Time

Novel Applications of Vital Information: Provides cybersecurity and systems integration services to national security agencies.

Experience developing web applications using JavaScript/TypeScript frameworks; Node.js APIs; RESTful services; relational databases; containerization; AWS cloud services; Git workflows.

JavaScript, TypeScript, Angular, React, Vue, Node.js, HTML5, CSS3, Sass, RESTful APIs, Microservices, PostgreSQL, MySQL, Prisma, Sequelize, Docker, AWS, Git

1mo

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1mo

Full-Stack Developer

Reston or Chantilly

OnsiteFull Time

Dark Wolf Solutions: Provides cybersecurity and software development services to defense agencies.

5+ YOEFive years of experience in multiple modern programming languages and data stores; full-stack development; Java; JavaScript/Node.js; Elasticsearch; Vue.js; AWS or cloud experience.

Java, JavaScript, Node.js, Elasticsearch, Vue.js, AWS, Kubernetes, Docker, Gitlab CI/CD, Python

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Application Developer - Expert

Herndon, Virginia, United States

OnsiteFull Time

VTG: Provides force modernization and digital transformation for defense agencies.

4+ YOEActive TS/SCI clearance with Poly required on day one; 4-6 years in design/development; strong web app experience with Angular/React/JavaScript; Linux; cloud experience (C2S/AWS); ETL with large data; strong OO software development; Python preferred.

Angular, React, JavaScript, Java, Python, C#, HTML, SQL, Linux, AWS, ElasticSearch, Solr, OpenSearch, Docker, Podman, Containerization, ETL

2mo

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2mo

NLM Software Developer

Rockville, Maryland, United States

$105k-$132k/yr OnsiteFull Time

Ripple Effect: Provides professional consulting and scientific support to federal agencies

9+ YOE6+ years of software development experience; full SDLC; strong programming in C++, Python, Java, JavaScript, R; databases MySQL, PostgreSQL, MongoDB, ElasticSearch; Agile/DevSecOps; strong problem-solving and communication.

C++, Python, Java, JavaScript, R, Bash, MySQL, PostgreSQL, MongoDB, ElasticSearch, Jupyter Notebooks, GitHub, GitLab, CI/CD

1mo

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1mo

Front-End Engineer

Tysons, Virginia, United States

OnsiteFull Time

Meibel: Provides a runtime platform for managing and scaling explainable AI.

3+ YOE3+ years frontend development; React; JavaScript/TypeScript; HTML5; CSS3; REST/GraphQL; unit tests; Git.

React, TypeScript, JavaScript, HTML5, CSS3, Redux, Zustand, MobX, Next.js, Jest, Cypress, React Testing Library, Git

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UX/UI Developer

Washington, District of Columbia, United States

OnsiteFull Time

Mobomo: Designs and develops custom software for government and enterprises.

3+ YOEMid-level UX/UI Developer proficient in React, HTML5, CSS3, and modern JavaScript with experience in micro-frontend architectures, state management, responsive design, and CI/CD.

React, Redux, HTML, CSS, JavaScript, Jest, React Testing Library, single-spa

1mo

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1mo

Portal/React Developer

Middletown, Pennsylvania, United States

OnsiteFull Time, Contract

Data-Core Systems: Provides IT consulting, software development, and business process services.

1+ YOEFrontend developer with React.js experience; proficient in JavaScript/TypeScript, HTML5, CSS3; REST/GraphQL APIs; CI/CD; unit/integration testing; Agile environment; Bachelor's preferred.

React.js, JavaScript, TypeScript, HTML5, CSS3, REST, GraphQL, Git, Jest, React Testing Library, Cypress, GitHub Actions, Vite

1mo

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1mo

Senior Front End Developer

Columbia, Maryland, United States

$121k-$135k/yr HybridFull Time, Contract

iCallidus: Provides information technology and cybersecurity services to federal agencies.

7+ YOE7+ years front-end development; React/Angular/Vue; HTML5, CSS3, JavaScript, TypeScript; Agile experience; accessibility; security clearance preferred.

React, Angular, Vue.js, HTML5, CSS3, JavaScript, TypeScript, Bootstrap, Tailwind CSS, Material UI, Jest, Mocha, Jasmine, Git, CI/CD