597 javascript react engineer jobs at 246 companies in Frederick, 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
SITEC: Provides specialized IT and engineering services to government agencies.
6+ YOEActive TS/SCI with Polygraph, Bachelor's in technical discipline (or 10 years' experience), 6+ years software development, strong React and JavaScript/TypeScript skills, SQL/NoSQL familiarity, able to work core hours 10:00-14:00 M-F.
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
5+ YOE5+ years software development experience, 2+ years JavaScript, TS/SCI with polygraph required, Bachelor's degree, EMR not required; experience with React and Ruby on Rails desirable.
Mindgrub: Digital agency providing custom software and AI innovation solutions.
4+ YOEU.S. citizen required. 4+ years front-end experience with React and JavaScript/TypeScript. Experience with reusable component libraries, client-side state, accessibility, responsive design, testing, CI/CD, and strong communication skills.
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
5+ YOE5+ years software development, 2+ years JavaScript, active TS/SCI clearance with polygraph required, bachelor\u0002s degree, EMR not mentioned, React and Ruby on Rails desirable.
Freedom Technology Solutions Group: Provides geospatial and software engineering solutions for national security agencies.
6+ YOETS/SCI with Polygraph; Bachelor's in a technical field or 10 years experience; React/Bootstrap, SQL/NoSQL knowledge; GitLab; Agile; ability to work core hours 10AM-2PM; accessibility knowledge
Full Stack JavaScript Developer - Top Secret Clearance
Washington, District of Columbia, United States
$100k-$140k/yrHybridFull Time
Metric5: Provides IT and management consulting services to federal agencies.
5+ YOE5+ years TypeScript/JavaScript, React, Node.js/NestJS, REST API design, testing, Agile experience; ability to obtain US security clearance; Bachelors preferred.
Captivation Software: Provides specialized software engineering for the intelligence and defense communities.
14+ YOETop Secret/SCI clearance with polygraph, Bachelor's in CS or related, ~14 years software engineering experience, expertise in Java and modern JavaScript frameworks, Section 508 familiarity, full-stack development across SDLC.
Vienna or Charlotte or Louisville or Minneapolis or Olympia or Philadelphia or Redlands or San Antonio or St. Louis
$84k-$141k/yrOnsiteFull Time
Esri: Developing software for digital mapping and spatial data analysis.
2+ YOE2+ years developing web applications with JavaScript; TypeScript and web framework experience preferred. Bachelor's degree in CS/engineering/math/GIS. Familiarity with digital cartography, EM visualization, code management, and CI/CD.
Javascript - Senior Developers - AI Training - Baltimore, US
Baltimore or United States
$50/hrRemoteContract, Part Time
Prolific: Platform connecting researchers and AI developers with verified participants.
BS/MS/PhD in CS or related, professional experience building scalable web apps with JavaScript/TypeScript, expert-level JS knowledge (event loop, closures, async), able to solve LeetCode Medium–Hard, and review/execute JS/TS code.
OceaneeringNYSE: OII: Global provider of engineered services for offshore energy industries.
8+ YOEBachelor's in STEM (or equivalent experience), 8+ years software engineering experience, extensive React.js and JavaScript expertise, ability to obtain DoD security clearance, leadership and mentoring experience, Linux, RESTful APIs, gRPC/MQTT/DDS/WebSockets, CI/CD and containerization knowledge.
Applied Information Sciences: Delivers cloud transformation and software engineering services to organizations.
3+ YOEActive Top Secret clearance, Bachelor's in CS/related, 3+ years C#/.NET experience, experience with React/JavaScript/TypeScript, ASP.NET, Entity Framework, SQL Server, API integration, and secure coding.
Applied Information Sciences: Provides cloud transformation and software engineering services for enterprises.
3+ YOEActive Top Secret clearance, Bachelor's in CS or related, 3–5 years professional C#/.NET experience, hands-on with ASP.NET, Entity Framework, SQL Server, React, JavaScript/TypeScript, HTML/CSS, and Git/GitLab.
Cayuse Holdings: Tribally-owned provider of IT and professional services.
8+ YOEBachelor's or equivalent, 8+ years software development experience, strong .NET (C#, ASP.NET, ADO.NET, Entity Framework) and React (TypeScript/JavaScript) skills, SQL Server, Git/GitLab, Top Secret clearance, and ability to pass background checks.
ASP.NET, C#, ADO.NET, Entity Framework, SQL Server, React, TypeScript, JavaScript, HTML5, CSS3, REST, RPC, Git, GitLab, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Adobe Acrobat
10+ YOE10+ years experience with Javascript, Typescript, React, Java, and Spring; 10+ years in engineering roles; Bachelor's in related field; Top Secret/SCI with polygraph required; U.S. citizenship required.
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
4+ YOE1+ MgmtBachelor's degree, ≥4 years software engineering experience, ≥1 year cloud experience (AWS/Azure/GCP), proficiency in JavaScript/Java/TypeScript/SQL/Python/Go, cloud and container experience, and people leadership experience preferred.
JavaScript, Java, HTML/CSS, TypeScript, SQL, Python, Go, Docker, Kubernetes, AWS, Microsoft Azure, Google Cloud
Range: AI-powered platform for wealth management and financial planning.
5+ YOE5–9 years in growth engineering or CRO-focused web development; strong JavaScript and SQL; experience with React; CRO experience and A/B testing; API/webhook integrations in a GTM stack; familiarity with GA4, Segment or RudderStack, server-side GTM.