Full Stack Java Developer

Job Description CSCI Consulting is looking for a Full Stack Java Developer to support our DoW client. In this role, the consultant will support the modernization and enhancement of mission-critical government applications. This role will focus on converting legacy Struts-based applications to modern Spring and Angular architectures while supporting ongoing development, testing, and deployment activities in an Agile environment. The ideal candidate will have experience developing enterprise web applications using Java, Spring Boot, Angular, and RESTful APIs, with a strong understanding of software modernization efforts and secure application development practices. Responsibilities Analyze existing Apache Struts applications, business processes, and code bases to support modernization and migration efforts Convert legacy Struts, JSP, and Servlet-based functionality into modern Spring Boot, Spring MVC, and Angular solutions Refactor legacy code to improve maintainability, security, performance, scalability, and long-term supportability Modernize application architectures by implementing RESTful APIs and contemporary front-end development practices Collaborate with architects and senior developers to translate existing business rules and workflows into modernized application designs Perform impact analyses to identify dependencies, integration points, and conversion risks within legacy applications Develop and execute unit, integration, and regression testing to ensure functional equivalency following conversion activities Troubleshoot and resolve defects identified during modernization, testing, and deployment efforts Participate in code reviews and apply secure coding standards and development best practices Utilize AI-assisted development tools to accelerate code analysis, modernization activities, testing, and documentation where appropriate Support Agile development activities, including sprint planning, backlog refinement, and team collaboration Minimum Requirements Active Secret Clearance Bachelor's degree in Computer Science, Information Systems, Engineering, or related field (or equivalent experience) 2-5 years of software development experience Experience developing applications using Java Experience with Spring Framework and/or Spring Boot Experience with Angular, TypeScript, JavaScript, HTML, and CSS Experience working with relational databases such as Oracle, SQL Server, or PostgreSQL Experience supporting or enhancing legacy Java web applications Understanding of MVC-based web application architectures Experience using Git and Agile software development methodologies Strong troubleshooting and debugging skills Creativity and adaptability in problem-solving Ability to work with clients to understand their needs Strong organizational and time-management skills Excellent written and verbal communication skills Professional presence Preferred Skills Experience participating in application modernization efforts involving migration of legacy Java applications to Spring-based architectures Familiarity with Apache Struts, JSP, Servlets, or other legacy Java web frameworks Direct Apache Struts development experience Experience migrating Struts applications to Spring MVC or Spring Boot Ability to work in a team environment, as well as independently Strong customer and vendor relationship skills Demonstrated ability to comply with data standards and policies Motivation to learn new technologies and methodologies that demonstrate value Department of War experience is a plus! About CSCI CSCI is an award-winning information technology and financial management consulting firm founded on one simple philosophy: “Do what is right, always.” We apply this philosophy across all elements of our growing business, from delivering world-class s ervices for customers to providing an environment where associates thrive both personally and professionally. At CSCI, work and fun aren’t diametrically opposed! At CSCI, our goal is to hire people with proven track records and retain them with an energizing, diverse company culture. We value each associate’s natural drive to excel, and we provide them with the freedom to do things their way. CSCI seeks the best and brightest in the industry—those who are ready to move their lives and career forward. Join us today and get excited about Mondays again! Benefits of Working at CSCI Competitive salaries Generous Paid Time Off (PTO) package Paid holidays aligned to the Federal calendar Full health benefits including medical, dental, vision, and life insurance   401(k) retirement plan Team building events Professional development support   Legal CSCI complies with all applicable Federal, state, and local employment regulations. Please reach out to [email protected] with any questions.   Equal Employment Opportunity All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. CSCI provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act. If you require an accommodation, please contact CSCI Human Resources for further assistance. For questions regarding the qualifications listed above, please contact the CSCI Recruiting Team. E-Verify CSCI participates in E-Verify to confirm the employment eligibility of all newly hired employees. For more information, please visit  www.dhs.gov/E-Verify .   California Consumer Privacy Act (CCPA) Notice As part of the application and recruitment process, CSCI Consulting, Inc. may collect personal information as