Java Developer

Job Description CSCI is seeking a Java Developer to join our high-impact team modernizing a critical Department of War (DoW) business system. This multi-year initiative is focused on consolidating and upgrading legacy applications into a cloud-native, secure, and efficient platform that supports millions of military retirees and beneficiaries. As a key contributor, you will help transform aging systems into a modern, resilient architecture using cutting-edge development practices. Responsibilities Lead and contribute to the migration of legacy COBOL applications to Java-based microservices Translate business and technical requirements into scalable, maintainable, and secure software solutions Develop backend solutions using Java (Spring, Hibernate) and frontend with React, Angular, or similar Identify optimization opportunities for legacy application returning to Azure-based environments Design, develop, test, and deploy full stack solutions in Azure Cloud Collaborate with cross-functional teams to ensure seamless integration and performance Build secure, scalable RESTful APIs for cloud integration Ensure compliance with DoD cybersecurity and software development standards Document system architecture, codebase, and migration processes Participate in Agile ceremonies and contribute to sprint planning and retrospectives Minimum Requirements Must have a DoD Secret clearance Bachelor’s degree in computer science, Engineering, or related field 5+ years of experience in full stack development (e.g. Java, Python, HTML, CSS, Java Script, Maven RabbitMQ etc.) and related frameworks Strong proficiency in Java (Spring Boot, REST APIs) and associated message services Strong understanding of software design patterns, architecture principles, and SDLC methodologies Strong skills in writing complex SQL queries for data manipulation and reporting with experience in Oracle and SQL Server database Hands-on experience with Azure services (App Services, Functions, Key Vault, etc.) Familiarity with front-end technologies (Angular, React, or similar) Experience with relational databases (Oracle, SQL Server, PostgreSQL) 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 in government or defense-related software projects Experience with Defense Business Systems Familiarity with Strangler pattern Familiarity with DoD STIGs and RMF compliance Knowledge of DevSecOps practices and tools (Azure DevOps, Git, SonarQube) Experience with containerization (Docker, Kubernetes) Knowledge of security standards and performance optimization techniques. Azure certification (Azure Developer Associate, Azure Solutions Architect, etc.). Knowledge of Event-Driven architecture and messaging systems (e.g., Azure Service Bus, Kafka). Exposure to automated testing frameworks and performance tuning Knowledge on Implementation of CI/CD pipelines using Azure DevOps / Set up and manage Azure Pipelines for automated deployment Experience with COBOL and understanding of legacy mainframe systems Knowledge of caching mechanisms -Redis, KeyDB 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 Past experience working with a federal agency 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 services 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, ge