Java Developer

Java Developer - Mid-to-Front-End Stack (DoD Secret Clearance Required)Location: Manassas, VA | Job Type: ContractAbout the RoleJoin a high-impact team building critical software solutions for defense and national security. As a Java Developer, you will leverage your Linux/Unix expertise and Java development skills to design, integrate, and enhance mid-to-front-end applications. This role offers exposure to advanced technologies and a clear path for career growth in a secure, mission-driven environment.ResponsibilitiesDevelop, test, and maintain Java-based applications with a focus on multithreading and performance optimizationIntegrate and troubleshoot software systems within Linux/Unix environmentsRefactor legacy codebases to improve system reliability and scalabilityCollaborate with cross-functional teams to deliver robust software solutionsParticipate in the full software development lifecycle using Agile methodologiesEnsure software compliance with Department of Defense standards and security protocolsRequired Skills and ExperienceB.S. degree in Computer Science, Software/Computer/Electrical Engineering, or related STEM field2+ years of hands-on Java development, including multithreadingStrong Linux/Unix development, integration, and troubleshooting backgroundProficient in software integration, testing, and refactoringUS Citizenship and ability to obtain/maintain DoD Secret clearance (required)Experience with Bash scriptingPreferred SkillsAdvanced Java multithreading proficiencyDatabase experience with MongoDB, PostgreSQL, or similarFamiliarity with inter-process messaging (gRPC, Artemis)UI development using JavaFX or SwingKnowledge of reactive programming (RxJava, Kotlin Coroutines, Flow)Performance-tuning tools (JVisualVM, JConsole, JProfiler)Containerization and orchestration (Docker, Kubernetes)Agile full-lifecycle development experience3+ years in Linux, scripting/software development, and configuration managementBenefitsOpportunity to work on mission-critical defense projectsExposure to cutting-edge technologies and toolsCareer advancement within a secure, growth-oriented organizationCollaborative, innovative work environmentCompetitive compensationHow to ApplyReady to advance your Java development career in a high-impact sector? Apply now by submitting your updated resume. Candidates must be authorized to work in the United States and be able to obtain/maintain a DoD Secret clearance.