90 senior react engineer jobs at 51 companies in Hagerstown, MD

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React Developer Senior
Ashburn, Virginia, United States
HybridFull Time
SAIC
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
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React Developer Senior
Ashburn, Virginia, United States
$120k-$160k/yr HybridFull Time
SAIC
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
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Senior Modeling and Simulations Software Developer
Huntsville or Maryland or Rockville or California
$121k-$205k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
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.
Javascript, Typescript, React, Java, Spring Framework, Docker, Kubernetes, Rabbit MQ, TomCat
3w
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Senior Software Engineer
Nashville or Sterling
HybridFull Time
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.
React, TypeScript, JavaScript, Java, Node.js, AWS, Git, Jest, Mocha, Jasmine, Redux, ES6, CI/CD, NoSQL
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Senior Software Engineer-Internal Tools
Arlington or Clarksburg
$125k-$140k/yr OnsiteFull Time
Forterra
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.
Rust, C, C++, Go, TypeScript, React, Linux, Docker, GitLab CI, Jenkins, Bash, Python, Tauri, Ansible, Jetson, Orin, ARM64, AWS, S3, IAM, EC2, Conan
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Senior AI/ML Engineer
Herndon, Virginia, United States
HybridFull Time
Node.Digital
Node.Digital: Provides digital automation and AI solutions for government and commercial enterprises.
5+ YOE5+ years building AI/ML applications (generative AI focus), hands-on with Amazon Bedrock, S3, SageMaker, CDK, Lambda, Python, TensorFlow/PyTorch, document processing, OCR/ICR/OMR, APIs, CI/CD, and database technologies.
Amazon Bedrock, S3, SageMaker, CDK, Lambda, Python, TensorFlow, PyTorch, LangChain, OCR, ICR, OMR, JSON, SOAP, REST, XML, XHTML, XSD, XSLT, Microsoft SQL Server, PostgreSQL, NoSQL, vector databases, CI/CD, TFS, SVN, Git, React, Angular, Vue.js, UiPath
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Software Developer (SME)
Herndon or McLean or Virginia or United States
$150k-$254k/yr HybridFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
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).
Java, C#, React, Node.js, TypeScript, .NET, AWS, Azure, Google Cloud, Oracle, Jira, GitHub, Jenkins, Python, PowerShell, Windows, Linux, Ansible
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Principal Product Engineer - Evinova
Gaithersburg, Maryland, United States
$172k-$259k/yr HybridFull Time
AstraZeneca
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.
AWS, React, TypeScript, Vite, Tailwind, shadcn/ui, BlockNote, Nginx, Node.js, Next.js, Python, Kafka, FastAPI, Dramatiq, Valkey, PynamoDB, SQLAlchemy, asyncpg, Prometheus, MongoDB, Docker, Kubernetes, AWS CDK, ECS Fargate, DynamoDB, S3, RDS, Elasticache, Bedrock, Secrets Manager, SSM, NX, pnpm, GitHub Actions, GHCR, Docker/Buildx, Wiz, GitHub OIDC, Google ADK, LiteLLM, OpenRouter, Langfuse, OpenTelemetry, Claude Code, Cursor, Copilot, opencode, Hermes Agent, MCP, RAGAS
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Senior Software Engineer, FE/Mobile
Herndon, Virginia, United States
$138k-$235k/yr HybridFull Time
QXO
QXONYSE: QXO: Tech-enabled distributor of building materials and products.
2+ YOE2–5 years software engineering experience, proficiency in Java/Kotlin/Go, front-end with React/Next.js/TypeScript, cloud experience (AWS/GCP), strong CS fundamentals and collaboration skills.
Java, Kotlin, Go, React, Next.js, TypeScript, AWS, GCP
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Senior Software Full Stack Engineer
Leesburg, Virginia, United States
$112k-$158k/yr OnsiteFull Time
AeroVironment
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.
React, Java, C++, Python, Linux, Maptiler, Mapbox, mbtiles, Deck.gl, RESTful API, CI/CD
6d
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Senior Full Stack Developer
Ashburn, Virginia, United States
$115k-$190k/yr HybridFull Time
ManTech
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.
Java, Spring Boot, Jakarta, React, Angular, Vue.js, Docker, Kubernetes, gRPC, RabbitMQ, Kafka, Harness, Jenkins, Gitlab CI, RESTful APIs, AWS, EC2, S3, Lambda, RDS, EKS, Oracle, PostgreSQL, MongoDB, Hadoop, Spark, Impala, MySQL, Elasticsearch, Solr
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Senior Full Stack Software Developer w/poly
Sterling, Virginia, United States
OnsiteFull Time
GRVTY
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.
Python, Java, React, Django, Spark, OpenSearch, Elasticsearch, Kafka, gRPC, Celery, Docker, Kubernetes, MariaDB, MySQL, ValKey, PostgreSQL, InfluxDB, MongoDB, Open Telemetry (OTel), GitLab, Jira, Confluence
3d
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Principal Product Engineer - Evinova
Gaithersburg, Maryland, United States
$172k-$259k/yr HybridFull Time
AstraZeneca
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.
AWS, EKS, React, TypeScript, Vite, Tailwind, shadcn/ui, BlockNote, Nginx, Node.js, Next.js, Python, Kafka, FastAPI, Dramatiq, Valkey, PynamoDB, SQLAlchemy, asyncpg, Prometheus, MongoDB, Docker, Kubernetes, AWS CDK, ECS Fargate, DynamoDB, S3, RDS, ElastiCache, Bedrock, Secrets Manager, SSM, NX, pnpm, GitHub Actions, GHCR, Docker/Buildx, Wiz, GitHub OIDC, Google ADK, LiteLLM, OpenRouter, Langfuse, OpenTelemetry, RAGAS, Claude Code, Cursor, Copilot, opencode, Hermes Agent, MCP
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Front End Software Developer
Sterling or Denver or Aurora
$82k-$172k/yr OnsiteFull Time
CACI
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.
Java, Spring Boot, Spring Framework, REST, JavaScript, TypeScript, Vue 3, Bootstrap, Vite, Mockito, JUnit, Cypress, PostGres, MySQL, Redis, AWS DynamoDB, AWS EC2, RDS, S3, SNS/SQS, Lamda, Git, Jira, Confluence, Gitlab CI/CD, SonarQube, SAST, Docker, Kubernetes, React, Angular, Vue.js
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Senior Data Engineer
Herndon, Virginia, United States
$150k-$175k/yr HybridFull Time
Dark Wolf Solutions
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.
Python, FastAPI, Django, Flask, JavaScript, Node.js, Express, Vue, Svelte, React, Java, Spring Boot, AWS, S3, RDS, EMR, Trino, Apache Spark, dbt, Rancher Kubernetes, Rancher RKE2, AWS EKS, Apache Airflow, HL7, FHIR, Mirth Connect, Great Expectations, OpenAPI, ORM
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Senior Software Engineer
Sterling, Virginia, United States
$185k-$225k/yr OnsiteFull Time
Amatriot Group
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.
REST, microservices, AWS, GCP, Azure, Kubernetes, containers, HTML5, CSS, SASS, Less, Stylus, Browserify, WebPack, Closure, Angular, Ember, React, Redux, Reactive, VueJS, Node.js, NPM, Linux, Subversion, Git, JIRA, Confluence, WebSockets, Svelte, Cesium, OpenLayers, Spring, Docker
4d
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Senior Software Engineer
United States or Westminster or Herndon
$128k-$216k/yr RemoteFull Time
Vantor
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.
Java, Rust, Python, JavaScript, TypeScript, Jira, Confluence, git, Apache Flink, Apache Kafka, React, Next, Leaflet, Map Libre, Redux, AWS, Azure, Google Cloud, OpenStack, Kubernetes, Docker, Jenkins, ArgoCD, Harness, GitLab CI, GitHub Actions, PostgreSQL, Apache Iceberg
2w
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Lead Federal Software Engineer, AI/SaaS
Washington or Tysons or Reston or Herndon or Chantilly or Arlington or Fairfax or New York City
$180k-$250k/yr OnsiteFull Time
AutogenAI
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.
TypeScript, Express, NestJS, React, Python, Kubernetes, helmcharts, Docker, AWS
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Angular Developer
Herndon, Virginia, United States
OnsiteFull Time
Karsun Solutions
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.
Angular, React, HTML5, CSS3, SCSS, SASS, LESS, Material, Bootstrap, PrimeNG, TypeScript, JavaScript, ES5, ES6, Redux, Webpack, Angular CLI, Gulp, REST APIs, Jest, Jasmine, Karma, Chai, Git, SVN, Mercurial, JIRA, Confluence, Bitbucket, TDD, BDD, WCAG
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DevSecOps Engineer
Rockville, Maryland, United States
$135k/yr OnsiteFull Time, Contract
Global Alliant
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.
Java, Java/JEE, Spring Boot, Spring Framework, JavaScript, TypeScript, JSON APIs, React, Angular, Jenkins, Concourse, Snap, Git, GitHub, Kubernetes, Docker, Selenium, Cucumber, TDD, BDD, Apache Hadoop, Hive, Spark, Sqoop, Apache Tomcat, Apache Ignite, Cassandra, gRPC, AWS, AWS Lambda, Kotlin, Scala, Prometheus