429 senior java software engineer jobs at 103 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).
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.
Intelliforce: Provides engineering and technical solutions for the intelligence community.
8+ YOETop Secret clearance with Full Scope Polygraph; US citizen; 8+ years software engineering; BS or higher in Computer Engineering or Computer Science; 3 years in SIGINT/IA/IT domains; strong Java/Spring, REST, SQL, Linux, Agile.
ClearEdge: Provides software engineering and data analytics for defense agencies.
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.
Endictus: Provides cybersecurity and systems engineering services to federal agencies.
10+ YOEActive TS/SCI with CI Polygraph; degree in CS or related field; extensive systems software and CNO experience; proficiency in C/C++, Java or Python; strong OS, networking, distributed systems, and software engineering skills.
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.
VTG: Provides engineering and digital modernization solutions for national security.
14+ YOETS/SCI with poly required. Bachelor's degree plus 14 years software engineering experience; full‑stack development, Kubernetes and Docker, RF/DSP and UI/UX experience; proficiency with Java, Python, Rust, C++.
Envision Innovative Solutions: Provides technical engineering and mission support to government agencies.
14+ YOE14 years software engineering experience; Bachelor's in computer science (or +4 yrs exp); active TS/SCI with Full Scope Polygraph; experience with Java, Linux CLI, Git, Confluence, Docker, web APIs; strong design/debug skills.
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
IAMUS Consulting: Provider of specialized cybersecurity and IT engineering services.
7+ YOEStrong Java and modern Java frameworks experience, Kubernetes (helm/flux) and enterprise API/microservices design, CI/CD and Linux/Git toolchain experience, 7–9+ years software engineering experience; U.S. citizenship; Secret/TS clearance desired.
RealmOne: Provides advanced technology services for national security agencies.
12+ YOESenior software engineer with 12+ years in software engineering, Java 17+, Spring Boot, REST, MongoDB; solid OO/SOLID; leads features and mentors peers; active security clearance with polygraph.
Java, Spring Boot, MongoDB, REST, Object-Oriented Design
Frederick or California or Colorado or Illinois or Minnesota or New Jersey or New York or Oregon or Washington or United States
$85k-$117k/yrRemoteFull Time
Syms Strategic Group: Provides IT and professional services to federal government agencies.
8+ YOEU.S. citizen eligible for Public Trust,8+ years software development with Java and/or NodeJS,Angular,REST API design,cloud (AWS/Azure),Git/GitHub,unit/integration testing,healthcare/EDI experience preferred,Bachelor's in CS/Engineering.
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), XML, JSON
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
5+ YOEDesign, develop, and implement software across multiple languages; lead components; troubleshoot; mentor and guide developers; ensure secure, maintainable results. Must be a US citizen with SECRET clearance.
Boeing Intelligence & AnalyticsNYSE: BA: Delivers intelligence, analytics, and cyber solutions for national security.
14+ YOEActive TS/SCI with polygraph, Bachelor’s in CS or related with 14+ years experience, strong software development skills (Git, Java/C++,Python), Postgres, Jira/Confluence, Agile experience.