Senior Java Developer

Software Developer (Java, SQL) Location: Hybrid - New Carrollton, MD (Lanham) with remote flexibility Position Type: Full-Time Reports To: Technical Program Manager About The C.A.S.E. Engineering Group The C.A.S.E. Engineering Group is an Information Technology (IT) engineering firm that specializes in providing cybersecurity advisory services, modernizing IT architectures, developing and implementing IT strategic plans, and designing and engineering innovative systems, software, and applications. C.A.S.E. stands for Cybersecurity, Architecture, Strategy, and Engineering, which reflects both our core expertise and our belief that developing innovative solutions in unique environments requires a balanced approach. While C.A.S.E. tailors its solutions on a case-by-case basis to address the specific challenges organizations face, it also leverages industry best practices to ensure efficiency, security, and long-term success. At C.A.S.E., we are always on the lookout for exceptional talent that can support our vision of delivering cutting-edge solutions, driving innovation, and solving complex challenges in mission-critical environments. We seek professionals who are not only technically proficient but also adaptable, analytical, and dedicated to excellence—ensuring that we continue to provide our clients with the best expertise available. Position Overview The Senior Java Developer will be responsible for designing, developing, testing, and maintaining enterprise applications in support of a federal tax processing and master file research environment. This role requires deep expertise in Java and Java Enterprise Edition technologies, object-oriented design, and the frameworks and tools used to build scalable, high-performance, secure applications. The developer will collaborate with cross-functional teams to implement enhancements, resolve issues, and ensure that all software changes meet federal security and quality standards before deployment. This is a full-time, hybrid role requiring availability during normal business hours, with occasional night and weekend work as needed based on project demands. Personnel must have reasonable access to the government site in Lanham, MD and be able to travel there within two hours’ notice. The Senior Java Developer reports to the Technical Program Manager and works closely with development, testing, and operations teams to ensure high-quality software development and system integration. Key Responsibilities Design, develop, test, and maintain enterprise applications using Java and Java Enterprise Edition (EE) technologies Apply object-oriented programming principles, Java Design Patterns, and frameworks such as Spring and Hibernate Build and consume web services using Jakarta RESTful Web Services (JAX-RS) Develop responsive user interfaces using Java Server Faces / PrimeFaces or REACT Deploy and manage applications on Red Hat JBoss Enterprise Application Platform (EAP) 7.2.6 or newer Develop and execute unit tests using JUnit or comparable testing frameworks Build, automate, and manage code using Jenkins/Hudson, Apache Ant, Maven, and GitHub Perform source code analysis with AppScan and application monitoring and tuning withAppInternals, JConsole, and VisualVM Write and maintain Linux shell scripts in a RHEL 8 environment Review and analyze detailed software requirements and document coding changes for enhancements Perform peer reviews, debugging, and performance tuning to ensure defect-free production deployments Produce Enterprise Life Cycle (ELC) documentation and utilize the IBM ELM Tool Suites, including DOORS Next, Jira, and Endevor Support Agile development practices and collaborate with stakeholders to define and implement technical solutions Qualifications: Education: Bachelor’s degree in Computer Science, Information Technology, Software Engineering, or a related field (or equivalent experience) Experience: At least 8 years of experience in Java development, including design, coding, and testing Strong expertise in object-oriented programming, Spring Framework, Hibernate, and web technologies Experience designing and building scalable, high-performance applications Technical Expertise: Java and Java Enterprise Edition (EE) 6 technologies Jakarta RESTful Web Services (JAX-RS) and Java Design Patterns JUnit or other testing frameworks Red Hat JBoss Enterprise Application Platform (EAP) 7.2.6 or newer Java Server Faces / PrimeFaces or REACT for GUI development Eclipse, Jenkins/Hudson, Another Neat Tool (ANT), Maven, and GitHub AppScan, AppInternals, JConsole, and VisualVM LINUX RHEL 8.0 and Linux shell scripting IBM Suite, File Manager, Job Control Language (JCL), AEV JCL, and IBM Debugger Endevor, Jira, and the IBM Engineering Lifecycle Management (ELM) Tool Suites (e.g., DOORS Next) Additional Skills: Strong problem-solving and debugging skills with attention to detail Familiarity with Enterprise Life Cycle (ELC) process and documentation, and Agile methodologies Knowledge of RHEL 8 containerization and Cloud Migration is a plus Ability to collaborate in a team-oriented environment and communicate effectively with technical and non-technical stakeholders Adaptability in a fast-paced, evolving work environment with shifting priorities Clearance: Must be able to obtain and maintain an IRS Minimum Background Investigation (MBI); U.S. work authorization required Why Join Us? Work with mission-critical systems that directly support federal tax processing operations Build scalable, modern applications on high-impact, high-visibility systems Be part of a growing company that values innovation, technical excellence, and problem-solving Hybrid role offering flexibility and work-life balance Opportunities for professional growth and advancement Pay: $105,000.00 - $135,000.00 per year Benefits: Work from home Location: New Carrollton, MD 20784 (Required) Work Location: Hybrid remote in New Carrollton, MD 20784