90 senior react engineer jobs at 51 companies in Hagerstown, MD
1mo
Save
Mark Applied
Hide
1mo
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
10+ YOEUS citizen with Secret clearance, 10+ years software engineering experience with Javascript, Typescript, React, Java and Spring Framework; Bachelor's degree; modeling & simulations experience; EM/software development and testing skills.
Asurion: Provides insurance and repair services for consumer electronics.
3+ YOEBachelor's degree required,3+ years building web and back-end systems,proficiency with JavaScript/TypeScript,React and Java or Node.js,experience with Git and automated testing frameworks.
Forterra: Develops autonomous ground vehicle systems and software for defense.
3+ YOE3+ years software engineering; experience with Rust or strong systems languages, TypeScript/React, Linux, Docker, CI/CD, scripting (Bash/Python); ability to debug across app, OS, and network layers.
16+ YOETop Secret/SCI polygraph clearance required, U.S. person required, 16+ years software development experience, bachelor’s degree, proficiency in Java and C#, React, Node.js, TypeScript, .NET, cloud platforms, DevOps tools, and scripting (Python or PowerShell).
AstraZenecaLondon Stock Exchange: AZN: Researches, develops, and manufactures prescription medicines for major diseases.
8+ YOE8+ years software engineering experience with production AI features, strong full‑stack and AWS experience, ability to mentor engineers and own technical direction; Bachelor's degree required.
AeroVironmentNASDAQ: AVAV: Designs and manufactures unmanned aircraft and tactical missile systems.
8+ YOEU.S. citizenship required; Bachelor's in computer science; 8+ years software development; front-end with React; back-end with Java, C++ and Python; extensive Linux, CI/CD, REST API and embedded integration experience.
ManTech: Provides technology solutions for defense and intelligence agencies.
US citizen with active Top Secret clearance; strong Java and modern JavaScript framework experience; microservices, containerization, CI/CD, messaging systems, and cloud experience; 5+ years applicable senior-level experience.
GRVTY: Develops defense technology, cyber, and intelligence software solutions.
10+ YOEActive TS/SCI with poly required; 10+ years software engineering; strong Python and Java; React and Django experience; DevOps/CI-CD; experience with large-scale data pipelines; Bachelor’s in Computer Science or related field.
AstraZenecaLondon Stock Exchange: AZN: Researches and develops medicines to treat major diseases globally.
8+ YOE8+ years software engineering experience with principal-level ownership, production AI feature experience (agents,RAG,model orchestration), strong full‑stack and AWS experience, mentoring ability, and a bachelor's degree.
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOERequire TS/SCI clearance,5+ years front-end development,BA/BS in CS or related,proficiency in JavaScript/TypeScript and frameworks (React/Angular/Vue),HTML/CSS,Git,REST,available to work onsite in Sterling,VA or Aurora,CO.
Dark Wolf Solutions: Provides cybersecurity and software development services to defense agencies.
8+ YOEUS citizen with active Secret clearance; B.S. in Computer Science (or equivalent) and 8+ years experience; strong Python, AWS, SQL/Trino, Apache Spark, dbt, and Kubernetes (Rancher) experience; DevSecOps and TDD practices.
Amatriot Group: Provides IT consulting and mission-critical technology support services.
Design and develop front-end applications and back-end microservices in an agile environment; experience with cloud, containers, Kubernetes, REST, microservices, CI/CD; mentor junior teammates; active TS/SCI required.
Vantor: Providing AI-powered spatial intelligence and high-resolution Earth observation.
6+ YOEU.S. citizen with active Top Secret security clearance or CBP/DHS suitability, bachelor\u0002s degree or equivalent experience, 6+ years development experience with strongly-typed and scripting languages, agile experience, and ability to lead technical efforts.
Washington or Tysons or Reston or Herndon or Chantilly or Arlington or Fairfax or New York City
$180k-$250k/yrOnsiteFull Time
AutogenAI: AI software for automating bid and proposal writing.
7+ YOE7+ years technical experience with federal/GovCon procurement/compliance, client-facing engineering in enterprise sales, leadership of small teams, TypeScript stack and DevOps/platform familiarity, US work authorization required.
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.
Global Alliant: Provides IT modernization and software development for government agencies
5+ YOE5+ years IT experience with full-stack engineering in DevSecOps: Java/Spring Boot, JavaScript/TypeScript, React/Angular, Kubernetes/Docker, AWS, CI/CD (Jenkins/Concourse), and automated testing; ability to obtain security clearance and U.S. citizenship required.