729 java engineer jobs at 148 companies in Hanover, PA
🚀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).
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)
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.
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
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
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).
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
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.
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.
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
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
Laurel or Washington or Baltimore or Virginia or Montgomery or San Antonio or United States
$110k-$140k/yrHybridFull Time
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.
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.
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.
Senior Full Stack Java Software Engineer - Clearance Required
Annapolis Junction or Maryland or Texas
$151k-$266k/yrOnsiteFull Time
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.
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
Senior Java Developer (Active TS/SCI with Poly Required - (SIGN-ON BONUS UP TO $30,000)
Annapolis Junction, Maryland, United States
$164k-$207k/yrOnsiteFull Time
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
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.