Full-Stack Developer

About the Role Vamonos IT is seeking an experienced Full-Stack Developer to design, develop, modernize, and maintain enterprise-level software applications supporting mission-critical federal government operations. The ideal candidate will possess extensive experience with Java Spring Boot microservices, Oracle Exadata database development, and Red Hat OpenShift container platforms. This position requires a hands-on software engineer capable of analyzing complex business requirements, developing scalable technical solutions, and supporting applications throughout the full software development lifecycle. The successful candidate must demonstrate strong technical proficiency, excellent communication skills, and the ability to collaborate with business stakeholders, system architects, and Agile development teams to deliver secure, reliable, and high-quality enterprise applications. Key Responsibilities Design, develop, test, deploy, and maintain enterprise full-stack applications using Java Spring Boot, RESTful APIs, and modern front-end frameworks such as React or Angular. Analyze legacy source code, including C/C++ and Oracle-based applications, to support system modernization and the translation of business requirements into technical user stories. Perform full-lifecycle software development activities, including solution design, application development, unit testing, and system testing. Develop high-quality, maintainable code that satisfies approved user stories, technical requirements, and acceptance criteria. Design, develop, and maintain scalable microservices using Java Spring Boot and RESTful APIs. Develop complex SQL queries, PL/SQL, stored procedures, and database integration solutions supporting Oracle Exadata environments. Perform database query optimization and performance tuning to improve application efficiency and reliability. Build, deploy, configure, and maintain containerized applications and microservices within Red Hat OpenShift and Kubernetes environments. Develop and support automated build and deployment processes using CI/CD pipelines and tools such as Jenkins, Git, and Maven. Participate in technical solution design, peer code reviews, and architectural discussions to ensure applications meet scalability, maintainability, and security requirements. Collaborate with cross-functional development teams, architects, and business stakeholders to evaluate requirements and implement effective technical solutions. Participate in Agile/Scrum activities, including sprint planning, estimation, backlog refinement, and other development ceremonies. Implement and maintain application monitoring, logging, and performance optimization practices. Troubleshoot complex application, database, and deployment issues to ensure reliable system operation. Contribute to continuous improvement initiatives focused on application performance, software quality, and modernization. Required Qualifications Bachelor's degree in Computer Science, Information Systems, or a related technical discipline, or equivalent relevant professional experience. Minimum of 5 years of professional software development experience, including at least 3 years of full-stack development experience. Minimum of 5 years of professional experience supporting full-lifecycle software development using Java Spring Boot, RESTful APIs, and/or modern front-end frameworks such as React or Angular. Minimum of 5 years of professional experience supporting large-scale data migration efforts, including the development of complex SQL queries, PL/SQL, stored procedures, and database performance optimization for Oracle Exadata. Minimum of 5 years of professional experience developing microservices within OpenShift or Kubernetes environments using Jenkins, Git, Maven, or similar technologies. Minimum of 5 years of hands-on experience with Red Hat OpenShift or other Kubernetes-based container platforms, including containerization, pod management, and CI/CD pipelines. Strong understanding of microservices architecture, enterprise application development, and RESTful API integration. Demonstrated experience analyzing legacy applications and translating business requirements into technical specifications and development tasks. Experience developing, testing, troubleshooting, and maintaining enterprise applications throughout the software development lifecycle. Strong analytical and problem-solving skills, including the ability to independently evaluate complex technical challenges. Experience working within Agile/Scrum development teams. Exceptional written and verbal communication skills, including the ability to explain complex technical issues to both technical and non-technical stakeholders. Ability to collaborate effectively with cross-functional teams while independently managing assigned development responsibilities. U.S. citizenship required due to federal contract requirements. Preferred Qualifications Experience analyzing and modernizing legacy applications developed in Pro*C, COBOL, or other legacy programming languages. Experience with microservices architecture and cloud-native application development. Advanced knowledge of Oracle PL/SQL and database-driven enterprise applications. Experience supporting federal government IT modernization programs. Familiarity with Business Process Model and Notation (BPMN) and business process reengineering. Experience supporting complex enterprise application modernization and migration initiatives. What We Offer Competitive salary and benefits. Opportunities for professional growth and certification. Collaborative and innovative work environment. Exposure to cutting-edge Microsoft technologies.