About this opportunity
EPAM Systems, Inc. lists this Senior Full-Stack Java Developer opportunity in california, Missouri. Review the employer’s description below for duties, qualifications and application requirements.
Job description
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.
Req# 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
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Worksite address
california, MO, 65018, US
Who can apply
Review the original listing for work authorization, qualifications and employer requirements.