729 java engineer jobs at 148 companies in Hanover, PA

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
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).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
3w
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Java Developer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Set of X
Set of X: Provides specialized engineering services for U.S. national security missions.
20+ YOEStrong Java experience, containerized deployments, testing (unit/integration/e2e), experience with SpringBoot, Mongo, AWS, Kubernetes; Bachelor's degree in engineering/technical discipline or equivalent; TS/SCI clearance with polygraph 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
1mo
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Java Software Engineer
Annapolis Junction, Maryland, United States
$147k-$249k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
Bachelor's in Computer Science (or equivalent experience). Experience with Java/JEE, Python, C/C++, SQL, XML/XHTML/HTML, web services (SOAP/WSDL/WADL), Windows/Linux, and tools like Eclipse, Jenkins, Postgres/Oracle. TS/SCI Polygraph clearance and U.S. person/citizenship required.
Java/JEE, Python, C/C++, SQL, SOAP, WSDL, WADL, XHTML, HTML, XML, XSLT, Windows, Linux, PERL, PowerShell, VBS, Eclipse, Postgres, Oracle, Jenkins, Tomcat, WebLogic, JBoss, FITNesse, Mockito, Cucumber, Unified Functional Tester (UFT), Selenium, DEVOPS, Test Driven Development (TDD), Behavior Driven Development (BDD), Acceptance Test Driven Development (ATDD), Scaled Agile Framework (SAFe)
2w
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Java Developer
Annapolis Junction, Maryland, United States
$70k-$285k/yr OnsiteFull Time
Athenix Solutions Group
Athenix Solutions Group: Provides cybersecurity, systems engineering, and training for defense agencies.
Requires active TS/SCI with Polygraph, experience with Enterprise Java, microservices and SOA, database experience (MongoDB or MySQL), JMS, and knowledge of cellular communications parameters.
Java, MongoDB, MySQL, JMS
1mo
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Mid Java Developer
Columbia, Maryland, United States
$80k-$128k/yr HybridFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
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
1mo
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Senior Java Software Engineer
Columbia or Minneapolis or Charlotte
$88k-$146k/yr HybridFull Time
Computershare
ComputershareASX: CPU: Global provider of financial administration and shareholder management services.
7+ YOE7+ years software engineering; 5+ years Java/J2EE, Spring, Spring Boot, Spring Batch, JPA; experience with Hibernate, Autosys/Control M, Git/GitHub, front-end tech (JavaScript, JSON, CSS, jQuery, Ajax, HTML 5), Selenium; Agile experience.
Java, J2EE, Spring, Spring Batch, Spring Boot, JPA, Hibernate, Autosys, Control M, JavaScript, JSON, CSS, jQuery, Ajax, HTML 5, Git, GitHub, Selenium
1mo
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Cloud Java /GUI Developer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Entegra Systems
Entegra Systems: Provides engineering and intelligence analysis for government missions.
8+ YOEBachelor's degree in computer engineering or related field; 8 years software engineering; 3+ years in SIGINT/IA/IT; TS/SCI with poly; GUI, Java, Python; cloud experience (AWS).
Java, Python, AWS, Linux, APIs, GUI development
1mo
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Mid Java Developer
Columbia, Maryland, United States
$80k-$128k/yr HybridFull Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
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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Java Software Engineer Level 4
Aurora or Morrisville or Linthicum Heights
$142k-$213k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
8+ YOETop Secret/SCI required; Bachelor’s degree (or equivalent experience); 5+ years Java development; experience with RESTful APIs, microservices, Git, and Agile; strong OO design and SOLID principles.
RESTful APIs, microservices, Java, Git, GitHub, GitLab, Bitbucket, Linux, CI/CD, Docker
2mo
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Senior Java Software Engineer
Fort Meade or Annapolis Junction
$200k-$230k/yr OnsiteFull Time
CTC Group
CTC Group: Provides specialized engineering and technical services to defense agencies.
14+ YOEActive TS/SCI with polygraph; STEM BS or equivalent; 4+ yrs SWE; Java/Swing, Maven, Eclipse; embedded Windows/Linux; GitLab CI/CD; hardware interfaces.
Java, Swing, Maven, Eclipse, VS Code, Spring Tools Suite, Java Fire/JFire, GitLab CI/CD, RabbitMQ, JTAG, I2C, SPI, UART, Ethernet, React, JavaScript, HTML
3w
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Java Software Engineer Level 4
Aurora or Morrisville or Linthicum
$142k-$213k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
5+ YOERequires active Top-Secret clearance with SCI, 5+ years Java development, experience with RESTful APIs, Git workflows, Agile processes; Bachelor's/Master's degree with corresponding years of experience or equivalent experience.
RESTful APIs, Java, Git, GitHub, GitLab, Bitbucket, Linux, CI/CD, Docker, cloud platforms
1mo
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Full Stack Java Developer
Annapolis Junction, Maryland, United States
$245k-$271k/yr OnsiteFull Time
Amentum
AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.
20+ YOEExpertise in Enterprise Java, service-oriented and microservice architectures, databases (Mongo, MySQL), Python; TS/SCI with polygraph required; Bachelor's in CS (or substitute experience); 20 years SWE experience.
Java, Python, Mongo, MySQL, IntelliJ, Eclipse, VS Code, Jira, Confluence, GitLab, Docker, Kubernetes, NumPy, pandas, ISLANDTRANSPORT, JICD
4w
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Full Stack Java Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Tiber Technologies: Providing specialized engineering and security services for federal missions.
Strong Java development with Spring Boot, RESTful APIs, MongoDB, automated testing; US citizenship and active clearance with polygraph required; bachelor\u0002s degree in CS/Engineering; familiarity with full-stack, Kafka, Linux, and CI/CD preferred.
Java, Spring Boot, MongoDB, JavaScript, Vue.js, Kafka, Linux, CI/CD
2w
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Full Stack Java Developer-Principal
Annapolis Junction, Maryland, United States
OnsiteFull Time
NetSage
NetSage: Delivering specialized cyber services to the U.S. federal government.
12+ YOETS/SCI with polygraph required; B.S. in CS or 12 years' relevant experience (or 16 years without degree); experience with Java, Spring Boot, Angular/JSX, REST/microservices; Agile experience.
Angular, JavaScript XML (JSX), Spring Boot, Java, RESTful API, Spring MVC, Spring Data, Spring Security, Java Message Service (JMS), Apache Kafka, Oracle Database, Elasticsearch, Docker, Kubernetes (K8s), Maven, Gradle, GitLab, CI/CD
1mo
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Intermediate Full Stack Java REACT Developer
Laurel or Washington or Baltimore or Virginia or Montgomery or San Antonio or United States
$110k-$140k/yr HybridFull Time
ERP International
ERP International: Provider of healthcare and technology solutions for federal agencies.
4+ YOEJava, Spring Boot, and React development for microservice APIs; experience with Postgres/Redis, unit testing (JUnit/Mockito/Cucumber), CI/CD/DevSecOps, Agile; 4+ years Java/Spring experience; must be US citizen able to obtain Secret clearance and be located in Laurel/DC-Baltimore-Northern Virginia area.
Java, Spring Boot, React, Postgres, Redis, JUnit, Mockito, Cucumber, Docker, Kubernetes, Jira, Confluence, CI/CD
3mo
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Software Engineer, I - Java
Fort Washington, Pennsylvania, United States
$90k-$100k/yr RemoteFull Time
Office Practicum
Office Practicum: Pediatric-specific electronic health records and practice management software.
2+ YOETwo+ years in Java 17+/Spring Boot; experience with React; healthcare IT standards; AI tools Claude; remote work; bachelor's degree or equivalent.
Java, Spring Boot, React, Delphi, Python, MySQL, MongoDB, Claude, AWS, Git, Subversion, REST, FHIR, HL7, CCDA, X12, Networking
1mo
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Senior Java Software Engineer
Columbia, Maryland, United States
$160k-$250k/yr OnsiteFull Time
Synergy ECP
Synergy ECP: Provides cybersecurity and systems engineering for defense agencies.
8+ YOEStrong experience in Java development, Linux environments, Spring Framework, multi-threaded, distributed systems; Git, Maven, Gradle; TS/SCI clearance and U.S. citizenship.
Java, Linux, Spring Framework, Git, Maven, Gradle
1mo
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Senior Full Stack Java Software Engineer - Clearance Required
Annapolis Junction or Maryland or Texas
$151k-$266k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
20+ YOETS/SCI w/Poly clearance required. Bachelor’s in Computer Science (or equivalent) plus 20 years SWE experience (or +4 years experience in lieu). Must have Java, JavaScript, Python, CI/CD (Jenkins/GitHub/CodePipeline), Jira/Confluence, and AWS/serverless experience.
Java, JavaScript, Python, Jenkins, GitHub, CodePipeline, Jira, Confluence, AWS, API Gateway, Lambda, Secrets Manager, Parameter Store, Step Functions, DynamoDB, Aurora PostgreSQL, PostgreSQL, Angular, Vue
2w
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AI Software Engineer – Java
Aberdeen, Maryland, United States
$130k-$160k/yr OnsiteFull Time
Techximius: Provides specialized IT and engineering services for defense missions.
5+ YOE5+ years Java development experience, experience with Spring/Spring Boot or Jakarta EE, REST/microservices, databases, CI/CD and container technologies, familiarity with AI/ML integration, DoD Secret clearance required; Bachelor’s degree or equivalent.
Java, Spring Boot, Spring Framework, Jakarta EE, REST, SOAP, JMS, gRPC, PostgreSQL, Oracle, MySQL, MongoDB, Git, Jenkins, Maven, Gradle, Linux, Docker, Kubernetes, TensorFlow, PyTorch, OpenAI APIs, LangChain, Hugging Face, Microsoft Outlook, Microsoft Word, Microsoft PowerPoint, Microsoft Excel, Microsoft Teams
1mo
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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
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
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
1mo
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Software Engineer 2 - Java/GPU
Annapolis Junction, Maryland, United States
$130k-$270k/yr OnsiteFull Time
Captivation Software
Captivation Software: Provides specialized software engineering for the intelligence and defense communities.
14+ YOEU.S. citizen with active Top Secret/SCI plus favorable Polygraph. 14 years SWE experience required (or 4 years SWE may substitute for bachelor's). Bachelor’s in Computer Science required. Java and GPU-accelerated application integration experience required.
Java, GPU