Join EPAM's engineering team as a Senior Full-Stack Java Developer and take ownership of maintaining and modernizing a portfolio of enterprise-grade Gateway applications. You'll work in a dynamic environment built around Java Spring Boot microservices and a diverse set of Angular front-end applications - from legacy Angular 8 to modern Angular 18 implementations. This is a hands-on technical role focused on improving application security, code quality, and long-term maintainability while collaborating closely with the Principal Engineer. You'll have direct impact on the platform's health, engineering culture, and the technical growth of the team. The recruiting efforts for this position are intended to fill an existing vacancy for a new position. Req# [redacted] Responsibilities Contribute to the maintenance and modernization of enterprise Gateway applications across backend and frontend Drive remediation of security vulnerabilities identified by tools such as Veracode, CAST, and SonarQube Support dependency upgrades, framework modernization, refactoring, and technical debt reduction Design and implement secure, maintainable solutions using Java Spring Boot and Angular Contribute to Angular modernization efforts across legacy (Angular 8) and current (Angular 18) codebases Participate in architecture and code reviews while adhering to and promoting engineering best practices Collaborate with architects, security teams, QA, and product stakeholders to prioritize remediation activities Support long-term platform health through continuous security and maintainability improvements Requirements 8+ years of professional software engineering experience Expert-level knowledge of Java and Spring Boot Strong experience with enterprise REST APIs and backend application architecture Hands-on experience with Angular applications, including version upgrades and modernization (Angular 8+ preferred) Strong command of TypeScript, RxJS, and modern frontend development practices Proven experience in application modernization, dependency management, and technical debt reduction Experience remediating security vulnerabilities using tools such as Veracode, CAST, SonarQube, or equivalents Excellent communication and collaboration skills Strong ownership mindset with the ability to thrive in a fast-paced enterprise environment Nice to have Experience with Apigee API gateway platform Familiarity with cloud platforms (AWS, Azure, or GCP) Background in microservices architecture and containerization (Docker, Kubernetes) Experience with CI/CD pipelines and DevOps practices