69 full stack java software engineer jobs at 40 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).
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
Johns Hopkins University Applied Physics Laboratory: Conducts research and engineering for national security and space.
5+ YOEBachelor's degree required, 5+ years full stack development with languages like Rust,C/C++,C#,Java,Python,Javascript,Typescript and AngularJS or Vue.js; able to obtain Secret clearance and travel to sponsor sites.
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.
DCCA: Provides IT and engineering solutions for government and defense agencies.
6+ YOE6+ years full-stack development with Java 17, Spring Boot, React/Redux, REST, SQL/Postgres; Public Trust clearance preferred; BS in CS preferred; strong communication and Agile experience.
Spring Boot, Microservices, Java17, React, Redux, HTML5, CSS3, SCSS, JavaScript, Typescript, JSON, SQL, Postgres, Junit, SonarQube, webpack, npm, Storybook, GitHub, Wildfly, RDBMS, ORM, REST, AWS, Kafka, AWS Lambda, S3, Apache POI, Microsoft Word, Microsoft Excel
Brandes Associates: Provides engineering, software, and program support to defense agencies.
5+ YOE5+ years software engineering experience; strong Java and JavaScript/TypeScript skills; experience with REST, XML/JSON, SQL databases, CI/CD, Git workflows, and secure/messaging systems; active US citizenship and Secret clearance required.
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.
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
ELEVI Associates: Provides cyber security and IT engineering for federal agencies.
14+ YOEActive security clearance with polygraph; 14+ years software engineering experience (or substitution rules); bachelor’s in Computer Science or related field (or additional experience); experience with NiFi, AWS, Azure, Python, Java, Bash, STIX/TAXII, and Kubernetes.
BigBear.aiNYSE: BBAI: Provides AI-powered decision intelligence software for national security.
8+ YOEActive TS/SCI with Polygraph, 8+ years experience with B.S. (or additional years in lieu of degree). Strong Java and Python skills, AWS and Kubernetes experience, observability (OpenTelemetry, Grafana, Prometheus), CI/CD and production systems expertise.
BigBear.aiNYSE: BBAI: AI-powered decision intelligence for complex mission environments.
8+ YOEActive TS/SCI with Poly; 8 years’ experience with a BS or 4+ years experience in lieu of a degree; strong Java and Python; production systems, AWS, Kubernetes, CI/CD, observability, security, mentorship.
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
7+ YOETS/SCI with polygraph required; Bachelor's +7 years (or 12+ years without degree); experience with Python or Java, C++, Docker or Kubernetes, Agile, JIRA, BitBucket/GitHub; strong customer and technical evaluation skills.
Synergy ECP: Provides cybersecurity and systems engineering for defense agencies.
7+ YOEBachelor's in Computer Science or 7+ years SWE experience required; 7 years SWE experience explicitly required. Proficiency in Java/Python, Git, IntelliJ/Eclipse, Spring Boot/Flask, cloud and container technologies. TS/SCI w/ Polygraph and U.S. citizenship required.
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.
Senior Software Engineer - Full Stack C# Developer
Hanover, Maryland, United States
$111k-$150k/yrOnsiteFull Time
GDITNYSE: GD: Delivers IT and mission services to government agencies.
8+ YOEC# full-stack web development with ASP.Net, web libraries (jQuery, Bootstrap, Knockout), database experience (MongoDB), 8+ years experience, US citizenship and Top Secret SCI+Poly required.
C#, ASP.Net Web Forms, ASP.Net MVC, Java, MongoDB, HTML, CSS, JQuery, Bootstrap.js, Knockout.js, IIS
Full Stack Java Developer with TS/SCI Clearance & Full Scope Polygraph-Onsite in Annapolis Jct, MD
Annapolis Junction, Maryland, United States
OnsiteFull Time
Booker DiMaio: Engineering innovation and software modernization services provider.
Active TS/SCI clearance with Full Scope Polygraph, experience with Java 17, Oracle, Mongo, Spring Boot, GWT, Angular, RESTful web services, and maintaining application interfaces.
Java 17, Oracle, Mongo, Spring Boot, GWT, Angular, RESTful web services
MKS2 Technologies: Delivers cybersecurity and IT solutions to government agencies.
8+ YOESenior Full-Stack Developer with Python and Java; TS/SCI with Poly; Bachelor's degree plus 8 years of experience; proficient in Python, Java, and Jupyter; knowledge of Tableau and Atlassian tools.
Syms Strategic Group: Provides IT and professional services to federal government agencies.
8+ YOE8+ years software development with Java/NodeJS, RESTful API design, Angular front-end, AWS experience, Git/GitHub, unit/integration testing, U.S. citizenship and Public Trust eligibility.
Java, NodeJS, Angular, C#, .Net, AWS, API Gateway, Lambda, S3, CloudWatch, Git, GitHub, JUnit, Jest, Docker, ECS, EKS, JIRA, Microsoft Teams, Electronic Data Interchange X.12 (EDI)
Athenix Solutions Group: Provides cybersecurity, systems engineering, and training for defense agencies.
TS/SCI with Polygraph required. Experience developing back-end services in Python, web UIs with Java/JavaScript/HTML, Active MQ, REST, NoSQL/elastic databases, Atlassian (JIRA, Confluence), Linux, CI/CD; test validation and Tier 3 support experience.
Accenture Federal ServicesNYSE: ACN: Provides technology and consulting services to U.S. federal agencies.
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.
Powerhouse Institute: Provides strategic IT and management consulting services to government agencies.
7+ YOE7+ years professional experience with 5+ years full‑stack development; proficiency with HTML, CSS, JavaScript, React/Angular/Vue, Node.js/Java/Python/.NET/PHP/Ruby/C#; DBs MySQL/PostgreSQL/MongoDB/Oracle; cloud (AWS/Azure/Google Cloud), Docker, Kubernetes, CI/CD; U.S. work authorization and Public Trust clearance.