141 senior frontend developer jobs at 79 companies in Frederick, MD
🚀PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yrOn-SiteFull Time
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
Titan Technologies: Provides IT solutions and services to government agencies.
10+ YOE10+ years frontend or software development; 5+ years frontend with modern JS (React/Angular/Vue); UI/UX focus; Agile; CI/CD; DoD TS clearance preferred.
Twenty: Develops autonomous systems for offensive cyber operations.
5+ YOE5–8 years frontend development; expert in React/TypeScript; strong web fundamentals; performance at scale; automated testing; state management; modern build tools; Git; BS in CS/Engineering.
Chenega Corporation: Provides professional government, defense, and facility support services.
5+ YOEBachelor's in CS/Math/GIS or STEM; 5+ years web front-end development; HTML5, CSS3, TypeScript, JavaScript; React/Angular/Vue; scalable, high-availability systems; TS/SCI with SCI eligibility.
Closure Technologies: An IT consulting and software engineering firm delivering custom software, cloud, cybersecurity, and data solutions for government clients.
TS/SCI with polygraph required; Bachelor's in Computer Science; strong Vue.js, TypeScript, modern JavaScript, component-based UI, Vuetify; experience with OpenLayers, Turf.js, GeoLib, or Geodesy; ability to work independently as sole frontend engineer.
GDITNYSE: GD: Delivers IT and mission services to government agencies.
8+ YOEBachelor's degree, 8+ years experience, strong JavaScript/TypeScript and Angular skills, UI/UX and accessibility knowledge, experience with Git, RESTful APIs, CI/CD, and frontend testing.
York Space SystemsNYSE: YSS: Designs and manufactures modular spacecraft platforms and mission solutions.
6+ YOERequired: Bachelor's in CS or related, 6+ years frontend experience, deep React and TypeScript, design system and component library experience, Yarn/Babel/Material-UI, Git, REST APIs, mentoring ability, and ability to obtain security clearance.
Synergy ECP: Provides cybersecurity and systems engineering for defense agencies.
8+ YOERequires active TS/SCI clearance and U.S. citizenship, 8 years software engineering experience, 3 years front-end experience with React/Node.js/TypeScript/JavaScript, HTML/CSS, Git/GitLab, and AWS; familiarity with .NET integration, REST/JSON/XML, and front-end performance and accessibility.
Lentech: Provides mission-critical IT and engineering solutions for government agencies.
12+ YOEActive TS/SCI with FSP through MS required, 12 years SWE experience, leadership/mentoring experience, strong front-end framework skills, full‑stack familiarity, accessibility and performance expertise.
Applied Information Sciences: Delivers cloud transformation and software engineering services to organizations.
8+ YOE8+ years professional development experience; 5+ years with React/TypeScript; Bachelor's in CS/IT/Software Eng or equivalent; experience with Node.js,.NET, REST, AWS, Git/GitLab; active Top Secret/SCI eligibility.
Applied Information Sciences: Provides cloud transformation and software engineering services for enterprises.
8+ YOEBachelor's in IT/CS or equivalent,8+ years software development,5+ years React/JavaScript/TypeScript,3+ years Node.js,experience with .NET integrations,AWS,GIT;Active Top Secret clearance with SCI eligibility required.
Cayuse Holdings: Tribally-owned provider of IT and professional services.
8+ YOETop Secret clearance required; 8+ years software development experience with 3+ years on React/Node.js/TypeScript; strong HTML/CSS, REST/JSON/XML integration, Git/GitLab, and AWS experience; excellent communication and problem-solving.
React, TypeScript, JavaScript, Node.js, HTML, CSS, .NET, JSON, XML, Git, GitLab, AWS, Chrome DevTools, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Acrobat, YAML, GitLab CI, Jest, React Testing Library, API Gateway, Lambda, CloudFront, S3
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
14+ YOETS/SCI with Polygraph required; 14 years relevant experience; Bachelor's in computer science or equivalent; experience with ReactJS, NodeJS, Java/Spring Boot, JavaScript, Docker/Podman, AWS, MongoDB, Elasticsearch, Gradle; ability to design, develop, debug, and integrate software.
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
7+ YOE7+ years software engineering experience, 5+ years building AI/LLM/chat/front-end streaming UIs, strong React/TypeScript and Python skills, real-time UI and web performance expertise, BS in Computer Science.
Exiger: AI-powered supply chain risk and compliance management software.
3+ YOE3+ years front-end experience with strong React and JavaScript (ES6+) skills; experience with state management, build tools, testing, and integrating APIs; strong communication and problem-solving.
Accenture Federal ServicesNYSE: ACN: Provides technology and consulting services to U.S. federal agencies.
8+ YOE8+ years building frontend applications with React, JavaScript/TypeScript and Node.js; experience with REST APIs, Git/GitLab, AWS, mentoring, and active Top-Secret/SCI clearance.
E-INFOSOL: Provides secure cloud and cybersecurity solutions for government agencies.
8+ YOEActive Top-Secret clearance (SCI/CI Poly capability), Bachelor’s in IT or related, minimum 8 years experience with 3+ years building React/Node/TypeScript/JavaScript front ends, HTML/CSS, REST APIs, Git/GitLab, and AWS.