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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # nJava Software Engineer - **Company:** Nabout Leidos - **Location:** United States - **Experience:** Expert - **Salary:** $131,300.0 - $237,350.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Agile Methodology, Automation of Tests, Cloud Engineering, Software Quality, Code Review, Databases, Continuous Integration, Relational Databases, Software Debugging, Java Platform Enterprise Edition (J2EE), PostgreSQL, MariaDB, Operational Data Store, Oracle (Applications), Software Deployment, Software Engineering, Systems Architecture, Web Application Frameworks, Enterprise Software Applications, Spring-boot, Software Troubleshooting, Backend, Git, Containerization, Gitlab-ci, Kubernetes, Information Technology, Atlassian Tools, Restful APIs, Software Version Control, Sql Tuning, Devsecops, Docker, Microservices - **Published:** August 1, 2026 - **Apply:** https://jobs.military.com/career/296649/senior-java-software-engineer-maryland-md-annapolis-junction ## About the Role * Bachelor's degree in Computer Science or a related technical discipline from an accredited college or university. Candidates without Bachelors degrees will require an additional 4 years of software engineering experience.\n * Minimum of twelve (12) years of software engineering experience on programs and contracts of similar scope, type, and complexity.\n * Experience developing Java enterprise applications using Spring Boot or similar modern frameworks.\n * Experience developing RESTful APIs and working with relational databases such as MariaDB, PostgreSQL, Oracle, or similar technologies.\n * Experience with container technologies (Docker or Podman), Kubernetes, or other modern application deployment platforms.\n * Experience working in Agile development environments using Git-based source control, CI/CD pipelines, and automated testing practices.\n * Security Clearance Requirement: Active TS/SCI with Polygraph.\n, * Experience with microservices architecture, application modernization, or cloud-native software development.\n * Experience implementing GitLab CI/CD pipelines and DevSecOps best practices.\n * Experience tuning SQL performance and supporting high-volume enterprise applications.\n * Experience using Jira and Confluence to support Agile software development.\n * Strong troubleshooting, debugging, and problem-solving skills across application, database, and deployment technologies.\n * Experience supporting enterprise software within secure or classified environments.\n ## Description nBuild scalable Spring Boot applications, deploy to Kubernetes, and help modernize mission-critical Intelligence systems supporting national security.\n \n Leidos is seeking a \nJava Software Engineer to join an Agile development team responsible for enhancing and modernizing a mission-critical enterprise application. You'll help evolve a high-performance Java platform that processes large volumes of operational data while transitioning to a modern, containerized architecture.\n \n Working alongside experienced software engineers, you'll develop Spring Boot services, build RESTful APIs, optimize relational databases, and contribute to Kubernetes deployments and CI/CD automation. This is an opportunity to work across the full software development lifecycle, influence technical direction, and deliver software that directly supports critical Intelligence missions.\n \n If you're passionate about backend engineering, modern Java development, scalable architectures, and continuous improvement, you'll find challenging technical work, a collaborative engineering culture, and the opportunity to make a meaningful impact.\n \n \nPrimary Responsibilities\n \n \n \n * Design, develop, test, and maintain enterprise Java applications using Spring Boot and modern software engineering best practices.\n * Develop scalable RESTful APIs and backend services supporting mission-critical applications and high-performance enterprise systems.\n * Design, optimize, and troubleshoot relational database solutions using MariaDB and other enterprise database technologies.\n * Support application modernization initiatives through containerization, Kubernetes deployments, and continuous improvements to system architecture.\n * Participate in technical design sessions, architecture discussions, code reviews, troubleshooting, and Agile software development activities.\n * Develop and maintain automated testing solutions and GitLab CI/CD pipelines to improve software quality, deployment efficiency, and operational reliability.\n * Collaborate with cross-functional engineering teams using Jira and Confluence while supporting the complete software development lifecycle.\n ## Related Videos - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [Beam Me Up, Java! 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