Full Stack Developer

Full Stack Java Developer - Mid-Level / Senior Mid-Level / Senior Level | $70,000 - $112,000 | Omaha, NE | Secret / Top Secret Clearance Required Build and advance secure, mission-critical software supporting Department of Defense systems. Join a collaborative development team where you'll apply full stack Java expertise to develop web applications, integrate classified infrastructure, and deliver reliable software through secure DevSecOps and Agile development practices. This opportunity is available at both the Mid-Level and Senior levels , with responsibilities and expectations scaled according to experience. A Day in the Life – What You'll Do Design, develop, test, deploy, and maintain Java-based full stack web applications supporting mission-critical DoD systems. Develop responsive front-end interfaces using HTML, CSS, and JavaScript while building reliable Java-based backend services and application logic. Integrate applications with secure and classified DoD infrastructure, databases, and enterprise systems to ensure reliable data flow and system interoperability. Develop and maintain backend database functionality with a focus on performance, scalability, security, and data integrity. Apply secure software development practices and DoD cybersecurity requirements throughout the software development lifecycle. Use tools such as Fortify and SonarQube to identify, analyze, and remediate security vulnerabilities and code quality issues. Build, maintain, and improve GitLab CI/CD pipelines supporting automated and secure software delivery. Deploy and support Java applications within WebLogic environments and manage application artifacts through Nexus Repository . Participate in software testing, debugging, integration, and regression activities to ensure reliable mission software. Develop and maintain automated UI and regression testing using Selenium . Participate in Agile/Scrum ceremonies, sprint planning, technical discussions, code reviews, and continuous improvement activities. Collaborate with cybersecurity, systems engineering, DevSecOps, and program teams to translate mission requirements into secure and maintainable software solutions. Develop and maintain technical documentation covering system architecture, workflows, configuration, development processes, and audit-traceable software activities. Senior-level engineers will take technical ownership of development efforts, lead secure coding and code review activities, mentor junior developers, and provide technical guidance to the broader development team. Senior-level engineers will also help identify and implement improvements to development processes, CI/CD automation, software architecture, and DevSecOps practices. Support continuous improvement of secure software development practices within classified environments. Required Qualifications Mid-Level Developer Bachelor's degree in Computer Science, Software Engineering, Computer Engineering, or a related field. 3-9 years of relevant professional software development experience. Active Secret or Interim Top Secret security clearance required. Hands-on full stack development experience using: Java JavaScript HTML CSS Experience building, deploying, and maintaining web applications. Experience developing software in DoD, government, or other secure/classified environments. Experience with secure coding practices and software security tools such as Fortify and SonarQube . Experience with GitLab CI/CD, WebLogic, and Nexus Repository . Experience with Agile/Scrum methodologies and the full Software Development Lifecycle (SDLC). Experience with Kubernetes orchestration and Helm/Helm Charts . Strong debugging, collaboration, documentation, and problem-solving skills. Senior Developer Bachelor's degree in Computer Science, Software Engineering, Computer Engineering, or a related field. 10+ years of relevant professional software development experience. Active Interim Top Secret security clearance required. Extensive hands-on full stack development experience using Java, JavaScript, HTML, and CSS . Extensive experience building, deploying, and maintaining enterprise web applications in DoD or secure/class #J-18808-Ljbffr