124 react js developer jobs at 66 companies in Smithsburg, MD
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React Developer Senior
Ashburn, Virginia, United States
HybridFull Time
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
5+ YOEBS in CS/Engineering, 5+ years software development with 5+ years React experience; proficiency in Typescript/JavaScript, HTML/CSS/SCSS, JSON, Jest/Enzyme/React Testing Library, and browser debug tools.
React, Typescript, JavaScript, JSON, HTML4/5, CSS, SCSS, Jest, Enzyme, React Testing library, Visual Studio Code, chrome devtools
SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.
5+ YOE5+ years React and UI development experience, BS in CS/Engineering, TypeScript/JavaScript, HTML4/5, CSS/SCSS, Jest/Enzyme/React Testing Library, experience with complex backend APIs, strong communication and critical thinking.
React, Microsoft Visual Studio Code, TypeScript, JavaScript, MVC, MVVM, JSON, HTML4/5, CSS, SCSS, Jest, Enzyme, React Testing Library, Chrome DevTools
Insight Xcite: A mission-focused consulting firm that supports critical government programs through engineering, technology, cybersecurity, and analytics.
6+ YOEActive TS/SCI with Full-Scope Polygraph, 6+ years software development, frontend (React/Angular/JS/TS/HTML/CSS) and backend (Java/Python/Node.js) experience, API development, Git, and Agile.
Probity: Provides IT, cybersecurity, and engineering services to government agencies.
8+ YOERequires active Top Secret/SCI clearance with polygraph; 8+ years experience; 4–6 years building web apps with Angular/React/JS; Linux 2–4 yrs; cloud experience (AWS/Azure/Ocean Cloud); Bachelor's degree (8+ yrs) or 11 yrs without degree; Agile development.
Sentrillion: Provides integrated security and surveillance technology for government infrastructure.
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.
Peraton: National security and mission-critical government technology services provider.
5+ YOEActive Secret clearance and US citizenship required. 5+ years Java enterprise development (React, Spring Boot, HTML/CSS/JavaScript), 2+ years with Eclipse and Git/GITLAB; bachelor's or equivalent experience options available.
Java, Spring, Spring Boot, React, HTML, CSS, JavaScript, REST, Eclipse, Git, GITLAB, Redux, Microsoft SQL Server, Transact-SQL (T-SQL), Linux/Unix shell scripting, KornShell (ksh), Bourne Again Shell (Bash), C shell (csh), JSON Web Token (JOTS), Drools, Jakarata Persistence API (JPA), Hibernate
1+ YOEBachelor's degree or equivalent experience; 1–2 years of web/application development preferred; HTML, CSS, JavaScript, React, APIs, ColdFusion, MySQL, and analytical skills.
VTG: Provides force modernization and digital transformation for defense agencies.
Active TS/SCI with Poly, experience in Android and iOS mobile development, React/Node.js/JavaScript, Electron, AWS EC2/S3, EM/UX, JIRA, GitHub/GitLab, bachelor's or equivalent experience.
Auria: Engineering and software solutions for space and defense missions.
Software development experience with Unix/Linux, microservices, messaging, REST APIs, Agile/DevOps, Python, Java, JavaScript/React, and Cucumber; ability to obtain and maintain Top Secret clearance.
Freedom Technology Solutions Group: Provides geospatial and software engineering solutions for national security agencies.
12+ YOE12 years software development experience, Bachelor’s in CS or related (or 4yrs substitution), experience with SQL Server, C#, JavaScript/React/VueJS, Java/Python/Django, JIRA; strong documentation and Agile experience.
IAMUS Consulting: Provider of specialized cybersecurity and IT engineering services.
SME-level full-stack engineer with expertise in React, Python (FastAPI/Django), AWS, containerization, Kubernetes, secure development, and technical leadership for DoD/IC programs.
Karsun Solutions: Provider of IT modernization and software development for government agencies.
8+ YOEBachelor's degree in engineering, mathematics, or science; 8–15 years of relevant experience; Angular, React, TypeScript, JavaScript, HTML5, CSS3, REST APIs, testing, and version control expertise.
Hathiant: Federal contractor providing AI-driven IT and digital solutions.
2+ YOE2+ years front-end experience; proficiency with React/Vue/Angular, Storybook, HTML, CSS, JavaScript/TypeScript, Git and CI/CD; knowledge of accessibility (WCAG); degree in IT/CS preferred.
Metron: Develops scientific software and mathematical models for national security.
2+ YOEBachelor's in computer science, 2 years relevant experience, JavaScript/TypeScript, React, HTML/CSS, strong communication, US citizenship and eligibility for security investigation.
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
8+ YOE8+ years front-end development experience with HTML,CSS,JavaScript,TypeScript,React; experience integrating APIs, responsive design, accessibility, cloud platforms, and collaborating with AI/ML teams.
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
8+ YOE8+ years front-end development experience with HTML,CSS,JavaScript,TypeScript,React; experience with REST/GraphQL, cloud platforms, and Public Trust eligibility; BS in CS or related field required.
DCCA: Provides IT and engineering solutions for government and defense agencies.
6+ YOE6+ years full-stack development with Java 17, Spring Boot, React/Redux, REST, SQL/Postgres; Public Trust clearance preferred; BS in CS preferred; strong communication and Agile experience.
Spring Boot, Microservices, Java17, React, Redux, HTML5, CSS3, SCSS, JavaScript, Typescript, JSON, SQL, Postgres, Junit, SonarQube, webpack, npm, Storybook, GitHub, Wildfly, RDBMS, ORM, REST, AWS, Kafka, AWS Lambda, S3, Apache POI, Microsoft Word, Microsoft Excel
Accenture Federal ServicesNYSE: ACN: Provides technology and consulting services to U.S. federal agencies.
5+ YOEMust have TS/SCI clearance, 5+ years software development, experience with LLMs, agentic AI frameworks, frontend (React/Next.js/Angular) and backend (Python/Node.js/Java/Go), cloud-native deployments, and rapid prototyping.