117 java react developer jobs at 55 companies in Hanover, PA
1mo
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Senior Full Stack Java REACT Developer
Laurel, Maryland, United States
$130k-$160k/yr HybridFull Time
8+ YOEExpert Java Spring Boot and React developer with 8+ years experience, Agile/DevSecOps and CI/CD experience, US citizenship and ability to obtain Secret DoD clearance, familiarity with Postgres/Redis and automated testing.
Java, Spring Boot, React, Postgres, Redis, Junit, Mockito, Cucumber, Jira, Confluence, DevSecOps, CI/CD, Docker, Kubernetes, Microsoft Teams, DoD STIG
2mo
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Senior React Developer
Annapolis Junction or Columbia
$200k-$275k/yr HybridFull Time
12+ YOESenior full-stack developer proficient in React and Java/Spring Boot; experience migrating legacy systems; ability to work with Camunda and Pega workflows; strong REST APIs and Oracle/SQL skills.
React, Java, Spring Boot, Camunda, Pega, Oracle, SQL, REST API
2mo
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Mid Java Developer
Columbia, Maryland, United States
$80k-$128k/yr HybridFull Time
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
5d
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Java Developer
Annapolis Junction, Maryland, United States
$120k-$240k/yr OnsiteFull Time
20+ YOEDesign, develop, test, deploy, and maintain Java applications with containerized deployments; strong experience with AWS, Kubernetes, CI/CD, and modern tooling. TS/SCI with poly required.
Java, JSON, XML, SpringBoot, Mongo, AWS Services, Kubernetes K8, Maven, ReactJS, Elastic, GraphQL, Git, Git CICD, Artifactory, JUnit, Cucumber, Wiremock, GreyBox, K6, Coder Platform, IntelliJ, VSCode, Prometheus, Grafana
2mo
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Mid Java Developer
Columbia, Maryland, United States
$80k-$128k/yr HybridFull Time
5+ YOEBachelor's (5+ yrs) or associate's (7+ yrs) or HS (9+ yrs); US citizenship and active Secret clearance required; 5+ years building enterprise apps with React, HTML, CSS, JavaScript, Spring Boot; Eclipse and Git/GitLab experience.
Java, React, HTML, CSS, JavaScript, Spring Boot, Eclipse, Git, GITLAB, Redux, Microsoft SQL Server, Transact-SQL (T-SQL), KornShell (ksh), Bourne Again Shell (Bash), C shell (csh), JSON Web Token (JOTS), Drools, Jakarata Persistence API (JPA), Spring JPA, Hibernate, Linux, Unix
3w
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Software Engineer 2 (Hybrid) - JavaScript/React/Angular/Java/Linux
Annapolis Junction, Maryland, United States
$130k-$270k/yr HybridFull Time
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.
React, Vue, Angular, Java, JavaScript, Linux, Leaflet.js
2mo
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Senior Java Developer (Active TS/SCI with Poly Required - (SIGN-ON BONUS UP TO $30,000)
Annapolis Junction, Maryland, United States
$164k-$207k/yr OnsiteFull Time
5+ YOEActive TS/SCI with poly; Bachelor's in a technical field; 5+ years software development; 4+ years Java; microservices, Spring, Docker, Kubernetes; strong backend architecture.
Java, Kotlin, Spring Boot, Spring Cloud, Spring Data, AWS, Docker, Kubernetes, Linux, Kafka, Cassandra, DynamoDB, GitLab CI/CD, Maven, Node.js, SonarQube, IntelliJ, VSCode, ReactJS
2mo
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Web Developer
Annapolis Junction, Maryland, United States
$160k-$195k/yr OnsiteFull Time
8+ YOEActive TS/SCI with Polygraph; 8+ years development experience; Bachelor's in a technical field; strong Java, JavaScript, React/SolidJS, SpringBoot, Grafana skills.
Java, Swing, Servlets, JavaScript, JQuery, React, SolidJS, SpringBoot, Grafana
2w
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Contract Associate Development Engineer
Hunt Valley, Maryland, United States
$82k/yr OnsiteContract, Full Time
0.5+ YOEBachelor's in CS or equivalent experience, ~6 months application/web development, proficiency with JavaScript/Java/Node.js/React/Python/SQL/NoSQL, familiarity with CI/CD and cloud-native architectures.
JavaScript, Java, Express, Node.js, MySQL, MongoDB, Mongoose, Python, ReactJS, jQuery, HTML5, CSS, CI/CD, IAC, AWS, Databricks, Docker, Kubernetes, Terraform
5d
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Software Engineer II
Germantown, Maryland, United States
$92k-$119k/yr OnsiteFull Time
2+ YOEBachelor's in engineering,2+ years software development,TypeScript/React,Node.js/Python/C#/Java,Linux,GIT,US citizenship and DOD security clearance (or ability to obtain).
TypeScript, React, React Native, Node.js, Python, C#, Java, Linux, Git, Rust
23h
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Senior Software Engineer
Columbia or Laurel
$180k-$225k/yr HybridFull Time
14+ YOEActive Top Secret/SCI clearance with polygraph, U.S. citizenship, bachelor's degree or equivalent experience, 14 years of software development, Kotlin, Java, React, databases, Git or SVN, and agile experience.
Kotlin, React, Java, Mongo, SQL, Redux, Git, SVN
1mo
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Cloud Developer/Integrator
Annapolis Junction, Maryland, United States
$270k-$300k/yr OnsiteFull Time
5+ YOETS/SCI w/ poly required. Bachelor's in CS/Engineering required (or 4 years additional experience). 5+ years software/cloud development experience. Experience with Terraform, CloudFormation/AWS CDK, containers, monitoring, Java, React, and Linux.
Helm Charts, Terraform, CloudFormation, AWS CDK, Java, React, CloudWatch, Prometheus, Grafana, ELK, OpenSearch, Docker, Kubernetes, EKS, AKS, GKE, KMS, KeyVault, Secret Manager, Linux
1mo
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Senior Software Engineer
Annapolis Junction, Maryland, United States
HybridFull Time
15+ YOETS/SCI with polygraph required; 15+ years software engineering experience; full-stack development expertise with Java and JavaScript; proficiency with modern JavaScript frameworks (React, Vue, Angular); familiarity with Section 508 and SDLC.
React, Vue, Angular, Java, JavaScript, Leaflet.js
3w
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DevSecOps Engineer
Baltimore, Maryland, United States
RemoteFull Time
5+ YOE5+ years full‑stack DevSecOps experience with Java/Spring, front-end (React/Angular), CI/CD, containers, AWS, automated testing, and ability to obtain Public Trust clearance.
Java, Spring Boot, JEE, REST/JSON APIs, React, Angular, JavaScript, TypeScript, AWS, Jenkins, Concourse, Git, GitHub, Docker, Kubernetes, Selenium, Cucumber, TDD, BDD, Hadoop, Spark, Hive, Cassandra, Tomcat, AWS Lambda, Kotlin, Scala, Prometheus
2w
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AI/ML Full Stack Engineer
Columbia, Maryland, United States
$100k-$203k/yr HybridFull Time
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.
Claude Code, OpenAI Codex, Cursor, LangGraph, CrewAI, Google ADK, React, Next.js, Angular, TypeScript, JavaScript, Python, Node.js, Java, Go, PostgreSQL, MySQL, MongoDB, DynamoDB, AWS, Azure, GCP
2mo
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Software Engineer with Poly SR SWE1
Annapolis Junction, Maryland, United States
$86k-$152k/yr OnsiteFull Time
7+ YOEActive TS/SCI with polygraph, 7+ years SWE experience (11 years if substituting for degree), Bachelor's in Computer Science or related (or equivalent experience), full-stack development with Linux, Java, JavaScript, React, Mongo, analytic/production environment experience.
Java, Linux, JavaScript, React, Mongo, Hadoop, Hive, Pig, JSON, Accumulo, Map Reduce
2mo
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Software Engineer (Mid-Senior level)
Baltimore, Maryland, United States
OnsiteFull Time
5+ YOE5+ years in software engineering; Java; SQL; REST; AWS/GCP/Azure; Docker; IaC (Terraform/Ansible); React; strong problem-solving and teamwork.
Java, SQL, REST, AWS, Docker, Terraform, Ansible, React
5d
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Agile Developer 3
Annapolis Junction, Maryland, United States
OnsiteFull Time
9+ YOEActive Top Secret/SCI with Full Scope Polygraph; Bachelor\u0002s degree or equivalent; 9 years relevant experience (Master\u0002s+7 yrs acceptable); experience with Java, JavaScript/React, Spring Boot, CI/CD, GitLab, Maven, Jenkins, Nexus, NoSQL and relational datastores.
Java, JavaScript, React, GitLab, Maven, Jenkins, Nexus, NoSQL, Spring Boot, JSON, BSON, Kubernetes, Docker, Terraform, Swagger, AWS, CI/CD, 12-Factor
3w
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Software Engineer: Full Stack - Python, Java or JavaScript/TypeScript (TS/SCI Clearance Required)
Alexandria or Chantilly or Englewood or Gaithersburg or Saint Louis or Tucson
OnsiteFull Time
Active TS/SCI clearance with polygraph ability, Bachelor's in CS or related, proficiency in Python/Java/JavaScript/TypeScript, cloud (AWS/Azure), containers, CI/CD, databases, and secure coding practices.
Python, Java, JavaScript, TypeScript, HTML, CSS, JSON, AJAX, REST APIs, React, Angular, Vue.js, Node.js, Spring Boot, Django, Flask, AWS, Azure, MySQL, PostgreSQL, SQL Server, Linux, Windows, Git, GitLab CI, Jenkins, JIRA, Confluence, Docker, Kubernetes, RMF, STIGs, Go, OpenSearch, Elasticsearch, S3, EC2, SQS, SNS, RDS, CloudFormation, Terraform, Ansible, GeoServer, PostGIS, OGC APIs, ESRI ArcGIS
2mo
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Software Engineer 2
Annapolis Junction, Maryland, United States
$64-$120/hr OnsiteFull Time
14+ YOEUS citizenship and active/eligible TS/SCI clearance required; Bachelor\u0002s (or equivalent) in relevant field; minimum 14 years software engineering experience; strong Java and React skills; experience with containers and Kubernetes.
Java, React, RESTful APIs, Podman, Docker, Kubernetes, MongoDB, ArangoDB, Redis, PostgreSQL, AWS, CI/CD