621 sr java developer jobs at 139 companies in Hanover, PA

2w
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Java Developer
Annapolis Junction, Maryland, United States
$120k-$240k/yr OnsiteFull Time
Set of X
Set of X: Provides specialized engineering services for U.S. national security missions.
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
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
2w
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Sr. Java Full-Stack Developer
Baltimore, Maryland, United States
$90k-$194k/yr OnsiteFull Time
CGI
CGINYSE: GIB: Provides information technology and business consulting services.
10+ YOE10+ years Java experience with Spring Boot 3.x, PostgreSQL/JPA/Hibernate, JWT/OAuth2/LDAP auth, Maven builds, automated testing (JUnit5, Mockito, Cucumber, Selenium), Jenkins CI/CD, Kubernetes/OpenShift, Git workflows, Eclipse and Lombok; ability to obtain Public Trust clearance.
Spring Boot, Thymeleaf, Mustache, Bootstrap, HTMX, jQuery, PostgreSQL, JPA, Hibernate, Liquibase, Flyway, JWT, OAuth2, Spring Security, Maven, JaCoCo, Surefire, Failsafe, JUnit 5, Mockito, Cucumber, Selenium, Parasoft SOAtest, Jenkins, Spring Cloud Config, Groovy, Python, Helm, Kubernetes, OpenShift, Git, Bitbucket, Confluence, Jira Service Desk, Eclipse, Lombok, Docker Compose, Grafana, TimescaleDB
3d
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Senior Java Developer w/ Angular
Woodlawn, Maryland, United States
$134k-$175k/yr OnsiteFull Time
Amatriot Group
Amatriot Group: Provides IT consulting and mission-critical technology support services.
10+ YOE10+ years with Java, Spring Boot, Angular, and React; extensive JEE and UI development; AWS/PostgreSQL cloud deployment; microservices, REST APIs, DevOps, testing, Agile, and technical leadership. Degree plus experience or 13+ years without degree.
Java, Angular, Spring Boot, REST APIs, Twelve-Factor App, microservices, SOAP, JAX-WS, Apache Axis, Web Services Description Language (WSDL), AngularJS, JavaScript, JSP, HTML, CSS, XML, AJAX, jQuery, Jenkins, Git, Bitbucket, Jira, Nexus, Maven, SonarQube, Fortify, UrbanCode Deploy, AWS, PostgreSQL, Azure, Google Cloud, containerization, JUnit, Mockito, PowerMock, Test Driven Development (TDD), Behavior-Driven Development (BDD), Cucumber, React, JEE, JAXP, JAXB, AXIS, JERSEY, JSON, CXF, LTPA, OAuth2/JWT, Struts, Spring Framework, Spring JDBC, JPA, Hibernate, DB2, Tomcat, WebSphere, Kafka, Artificial Intelligence (AI)
2mo
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Java Software Engineer Level 5
Aurora or Morrisville or Linthicum
$177k-$266k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
12+ YOEActive Top-Secret/SCI clearance required; 12+ years software development experience (alternatively experience/degree combinations), 5+ years Java, RESTful APIs/microservices, Git workflows, Agile experience, strong OOP and SOLID skills.
Java, RESTful APIs, Git, GitHub, GitLab, Bitbucket, Linux, CI/CD, Docker
3w
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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 experience with 5+ years Java/J2EE, Spring/Spring Boot/Spring Batch, JPA/Hibernate, Autosys/Control-M, Git, Agile, front-end basics, and test automation (Selenium).
Java, J2EE, Java Web Services, Spring, Spring Batch, Spring Boot, JPA, Hibernate, Autosys, Control M, JavaScript, JSON, CSS, JQuery, Ajax, HTML5, Git, GitHub, Selenium
2mo
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Full Java Stack Developer
Annapolis Junction, Maryland, United States
$215k-$238k/yr OnsiteFull Time
Amentum
AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.
14+ YOETS/SCI with polygraph required. Bachelor’s in Computer Science (or 4 yrs SWE experience) plus 14 years SWE experience. Must have Enterprise Java, SOA, microservices, Mongo/MySQL, Python, and Agile/DevOps experience.
Java, Python, Mongo, MySQL, IntelliJ, Eclipse, VS Code, Jira, Confluence, Gitlab, Docker, Kubernetes, NumPy, pandas, ISLANDTRANSPORT, JICD
1mo
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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
2mo
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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
3mo
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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
1w
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Senior Java Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Columbia Technology Partners
Columbia Technology Partners: Provides IT, cybersecurity, and management consulting to government agencies.
U.S. citizenship, active security clearance with appropriate polygraph, DOD 8570 certification, and successful security background investigation and polygraph are required.
2mo
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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
2mo
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Senior Full Stack Java REACT Developer
Laurel, Maryland, United States
$130k-$160k/yr HybridFull Time
ERP International
ERP International: Provides health and technology solutions to federal government agencies.
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
4d
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Sr Software Engineer (Onsite)
Fulton, Maryland, United States
$96k-$182k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: Provides advanced aerospace and defense systems and services.
5+ YOE5+ years of relevant software development experience with Java or C++, full lifecycle development, computer science fundamentals, and security clearance eligibility; U.S. citizenship required.
Java, C++, GraphQL, REST, Kafka, TypeScript, RabbitMQ, Redis, PostgreSQL, Docker, Kubernetes, Angular, HTML, CSS, OpenShift
1mo
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Full Java Stack Developer
Annapolis Junction, Maryland, United States
$215k-$238k/yr OnsiteFull Time
Amentum
AmentumNYSE: AMTM: Global provider of engineering, technical, and mission support services.
14+ YOERequires 14 years of software engineering experience, a computer science bachelor's degree or equivalent experience, Enterprise Java, service-oriented and microservice architecture, databases, Python, and TS/SCI with polygraph clearance.
Java, Python, Mongo, MySQL, IntelliJ, Eclipse, Visual Studio Code, Jira, Confluence, GitLab, Docker, Kubernetes, NumPy, pandas, ISLANDTRANSPORT
1w
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Senior Full Stack Java Software Engineer - Clearance Required
Annapolis Junction, Maryland, United States
$167k-$310k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures advanced aerospace, defense, and security systems.
Design, develop, document, test, and maintain secure full-spectrum cyber solutions and specialized software tools for cyber operations. Clearance is required.
Java
1w
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Sr Software Developer
Annapolis Junction, Maryland, United States
$174k-$220k/yr OnsiteFull Time
ELEVI Associates
ELEVI Associates: Provides cyber security and IT engineering for federal agencies.
20+ YOEActive security clearance with full-scope polygraph and 20+ years of software engineering experience. Requires Java, Python, regex, data parsing, debugging, testing, Git, Maven, Linux/shell, and VS Code.
Java, Python, Git, Maven, Linux, VS Code, Claude Code
1mo
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Sr. Software Engineer
Annapolis Junction, Maryland, United States
$245k-$260k/yr OnsiteFull Time
Culper Technology
Culper Technology: Provides software and systems engineering services for the defense and intelligence community.
20+ YOEU.S. citizen with active TS/SCI+Poly required; 20+ years software engineering experience; Bachelor’s in Computer Science (or +4 years experience); strong Java, SQL, PostgreSQL, Elasticsearch, Quarkus, PrimeFaces, and Agile experience.
Java, Quarkus, PrimeFaces, SQL, PostgreSQL, Elasticsearch
2d
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Senior Software Engineer - Java/C++ & Cryptography
Annapolis Junction, Maryland, United States
OnsiteFull Time
Quevera
Quevera: Software engineering and cloud solutions for government and defense.
12+ YOERequires TS/SCI clearance with polygraph, U.S. citizenship, 12+ years' experience, bachelor's in computer science or equivalent, extensive Java, C/C++, cryptography, and key management experience.
Java, C++, Linux, Windows, Python, Go, Rust, JavaScript, REST APIs, Docker, Kubernetes, OpenBao, Agile
3w
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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.
Must hold TS/SCI with polygraph, bachelor's in CS or equivalent experience, experienced with Java/Python/C/C++, web and database technologies, Agile and TDD practices.
Java, Java Cryptographic Framework, Python, C/C++, SQL, SOAP, WSDL, WADL, XHTML, HTML, XML, XSLT, Windows, Linux, PERL, PowerShell, VBS, Eclipse, Postgres, Oracle, Jenkins, JEE, Tomcat, WebLogic, JBoss, FITNesse, Mockito, Cucumber, Unified Functional Tester (UFT), Selenium, SAFe